diff --git a/t/helper/test-example-tap.c b/t/helper/test-example-tap.c
index 998a1f0b42..50d46669d1 100644
--- a/t/helper/test-example-tap.c
+++ b/t/helper/test-example-tap.c
@@ -1,5 +1,5 @@
 #include "test-tool.h"
-#include "t/unit-tests/test-lib.h"
+#include "../unit-tests/test-lib.h"
 
 /*
  * The purpose of this "unit test" is to verify a few invariants of the unit

.github/workflows/main.yml, .gitmodules, Documentation/Makefile, Makefile, config.mak.uname, contrib/buildsystems/CMakeLists.txt, git.rc.in, abspath.c, abspath.h, add-interactive.c, add-interactive.h, add-patch.c, add-patch.h, advice.c, advice.h, alias.c, alias.h, alloc.c, alloc.h, apply.c, apply.h, archive-tar.c, archive-zip.c, archive.c, archive.h, attr.c, attr.h, banned.h, base85.c, base85.h, bisect.c, bisect.h, blame.c, blame.h, blob.c, blob.h, block-sha1/sha1.c, block-sha1/sha1.h, bloom.c, bloom.h, branch.c, branch.h, builtin.h, bundle-uri.c, bundle-uri.h, bundle.c, bundle.h, cache-tree.c, cache-tree.h, cbtree.c, cbtree.h, chdir-notify.c, chdir-notify.h, checkout.c, checkout.h, chunk-format.c, chunk-format.h, color.c, color.h, column.c, column.h, combine-diff.c, commit-graph.c, commit-graph.h, commit-reach.c, commit-reach.h, commit-slab-decl.h, commit-slab-impl.h, commit-slab.h, commit.c, commit.h, common-exit.c, common-init.c, common-init.h, compat/.gitattributes, compat/access.c, compat/apple-common-crypto.h, compat/basename.c, compat/bswap.h, compat/compiler.h, compat/darwin/procinfo.c, compat/disk.h, compat/fileno.c, compat/fopen.c, compat/fsmonitor/fsm-darwin-gcc.h, compat/fsmonitor/fsm-health-darwin.c, compat/fsmonitor/fsm-health-win32.c, compat/fsmonitor/fsm-health.h, compat/fsmonitor/fsm-ipc-darwin.c, compat/fsmonitor/fsm-ipc-win32.c, compat/fsmonitor/fsm-listen-darwin.c, compat/fsmonitor/fsm-listen-win32.c, compat/fsmonitor/fsm-listen.h, compat/fsmonitor/fsm-path-utils-darwin.c, compat/fsmonitor/fsm-path-utils-win32.c, compat/fsmonitor/fsm-settings-darwin.c, compat/fsmonitor/fsm-settings-win32.c, compat/hstrerror.c, compat/inet_ntop.c, compat/inet_pton.c, compat/linux/procinfo.c, compat/memmem.c, compat/mingw-posix.h, compat/mingw.c, compat/mingw.h, compat/mkdir.c, compat/mmap.c, compat/msvc-posix.h, compat/msvc.c, compat/msvc.h, compat/nedmalloc/License.txt, compat/nedmalloc/Readme.txt, compat/nedmalloc/malloc.c.h, compat/nedmalloc/nedmalloc.c, compat/nedmalloc/nedmalloc.h, compat/nonblock.c, compat/nonblock.h, compat/obstack.c, compat/obstack.h, compat/open.c, compat/poll/poll.c, compat/poll/poll.h, compat/posix.h, compat/pread.c, compat/precompose_utf8.c, compat/precompose_utf8.h, compat/qsort_s.c, compat/regcomp_enhanced.c, compat/regex/regcomp.c, compat/regex/regex.c, compat/regex/regex.h, compat/regex/regex_internal.c, compat/regex/regex_internal.h, compat/regex/regexec.c, compat/setenv.c, compat/sha1-chunked.c, compat/sha1-chunked.h, compat/simple-ipc/ipc-shared.c, compat/simple-ipc/ipc-unix-socket.c, compat/simple-ipc/ipc-win32.c, compat/snprintf.c, compat/stat.c, compat/strcasestr.c, compat/strdup.c, compat/strlcpy.c, compat/strtoimax.c, compat/strtoumax.c, compat/stub/procinfo.c, compat/terminal.c, compat/terminal.h, compat/unsetenv.c, compat/vcbuild/.gitignore, compat/vcbuild/README, lib/compat/vcbuild/README, compat/vcbuild/find_vs_env.bat, lib/compat/vcbuild/find_vs_env.bat, compat/vcbuild/include/sys/param.h, compat/vcbuild/include/sys/time.h, compat/vcbuild/include/sys/utime.h, compat/vcbuild/include/unistd.h, compat/vcbuild/include/utime.h, compat/vcbuild/scripts/clink.pl, compat/vcbuild/scripts/lib.pl, compat/vcbuild/vcpkg_copy_dlls.bat, compat/vcbuild/vcpkg_install.bat, lib/compat/vcbuild/vcpkg_install.bat, compat/win32.h, compat/win32/alloca.h, compat/win32/dirent.c, compat/win32/dirent.h, compat/win32/flush.c, compat/win32/git.manifest, compat/win32/headless.c, compat/win32/lazyload.h, compat/win32/path-utils.c, compat/win32/path-utils.h, compat/win32/pthread.c, compat/win32/pthread.h, compat/win32/syslog.c, compat/win32/syslog.h, compat/win32/trace2_win32_process_info.c, compat/win32mmap.c, compat/winansi.c, compat/zlib-compat.h, compiler-tricks/not-constant.c, config.c, config.h, connect.c, connect.h, connected.c, connected.h, convert.c, convert.h, copy.c, copy.h, credential.c, credential.h, csum-file.c, csum-file.h, ctype.c, date.c, date.h, decorate.c, decorate.h, delta-islands.c, delta-islands.h, delta.h, diagnose.c, diagnose.h, diff-delta.c, diff-lib.c, diff-merges.c, diff-merges.h, diff-no-index.c, diff.c, diff.h, diffcore-break.c, diffcore-delta.c, diffcore-order.c, diffcore-pickaxe.c, diffcore-rename.c, diffcore-rotate.c, diffcore.h, dir-iterator.c, dir-iterator.h, dir.c, dir.h, editor.c, editor.h, entry.c, entry.h, environment.c, environment.h, ewah/bitmap.c, ewah/ewah_bitmap.c, ewah/ewah_io.c, ewah/ewah_rlw.c, ewah/ewok.h, ewah/ewok_rlw.h, exec-cmd.c, exec-cmd.h, fetch-negotiator.c, fetch-negotiator.h, fetch-pack.c, fetch-pack.h, fmt-merge-msg.c, fmt-merge-msg.h, for-each-ref.h, fsck.c, fsck.h, fsmonitor--daemon.h, fsmonitor-ipc.c, fsmonitor-ipc.h, fsmonitor-ll.h, fsmonitor-path-utils.h, fsmonitor-settings.c, fsmonitor-settings.h, fsmonitor.c, fsmonitor.h, gettext.c, gettext.h, git-compat-util.h, git-curl-compat.h, git-zlib.c, git-zlib.h, gpg-interface.c, gpg-interface.h, graph.c, graph.h, grep.c, grep.h, hash-lookup.c, hash-lookup.h, hash.c, hash.h, hashmap.c, hashmap.h, help.c, help.h, hex-ll.c, hex-ll.h, hex.c, hex.h, hook.c, hook.h, http-walker.c, http.c, http.h, ident.c, ident.h, iterator.h, json-writer.c, json-writer.h, khash.h, kwset.c, kwset.h, levenshtein.c, levenshtein.h, line-log.c, line-log.h, line-range.c, line-range.h, linear-assignment.c, linear-assignment.h, list-objects-filter-options.c, list-objects-filter-options.h, list-objects-filter.c, list-objects-filter.h, list-objects.c, list-objects.h, list.h, lockfile.c, lockfile.h, log-tree.c, log-tree.h, loose.c, loose.h, ls-refs.c, ls-refs.h, mailinfo.c, mailinfo.h, mailmap.c, mailmap.h, match-trees.c, match-trees.h, mem-pool.c, mem-pool.h, merge-blobs.c, merge-blobs.h, merge-ll.c, merge-ll.h, merge-ort-wrappers.c, merge-ort-wrappers.h, merge-ort.c, merge-ort.h, merge.c, merge.h, mergesort.h, midx-write.c, midx.c, midx.h, name-hash.c, name-hash.h, negotiator/default.c, negotiator/default.h, negotiator/noop.c, negotiator/noop.h, negotiator/skipping.c, negotiator/skipping.h, notes-cache.c, notes-cache.h, notes-merge.c, notes-merge.h, notes-utils.c, notes-utils.h, notes.c, notes.h, object-file-convert.c, object-file-convert.h, object-file.c, object-file.h, object-name.c, object-name.h, object.c, object.h, odb.c, odb.h, odb/source-files.c, odb/source-files.h, odb/source.c, odb/source.h, odb/streaming.c, odb/streaming.h, oid-array.c, oid-array.h, oidmap.c, oidmap.h, oidset.c, oidset.h, oidtree.c, oidtree.h, pack-bitmap-write.c, pack-bitmap.c, pack-bitmap.h, pack-check.c, pack-mtimes.c, pack-mtimes.h, pack-objects.c, pack-objects.h, pack-refs.c, pack-refs.h, pack-revindex.c, pack-revindex.h, pack-write.c, pack.h, packfile.c, packfile.h, pager.c, pager.h, parallel-checkout.c, parallel-checkout.h, parse-options-cb.c, parse-options.c, parse-options.h, parse.c, parse.h, patch-delta.c, patch-ids.c, patch-ids.h, path-walk.c, path-walk.h, path.c, path.h, pathspec.c, pathspec.h, pkt-line.c, pkt-line.h, preload-index.c, preload-index.h, pretty.c, pretty.h, prio-queue.c, prio-queue.h, progress.c, progress.h, promisor-remote.c, promisor-remote.h, prompt.c, prompt.h, protocol-caps.c, protocol-caps.h, protocol.c, protocol.h, prune-packed.c, prune-packed.h, pseudo-merge.c, pseudo-merge.h, quote.c, quote.h, range-diff.c, range-diff.h, reachable.c, reachable.h, read-cache-ll.h, read-cache.c, read-cache.h, rebase-interactive.c, rebase-interactive.h, rebase.c, rebase.h, ref-filter.c, ref-filter.h, reflog-walk.c, reflog-walk.h, reflog.c, reflog.h, refs.c, refs.h, refs/debug.c, refs/files-backend.c, refs/iterator.c, refs/packed-backend.c, refs/packed-backend.h, refs/ref-cache.c, refs/ref-cache.h, refs/refs-internal.h, refs/reftable-backend.c, refspec.c, refspec.h, reftable/LICENSE, reftable/basics.c, reftable/basics.h, reftable/block.c, reftable/block.h, reftable/blocksource.c, reftable/blocksource.h, reftable/constants.h, reftable/error.c, reftable/fsck.c, reftable/iter.c, reftable/iter.h, reftable/merged.c, reftable/merged.h, reftable/pq.c, reftable/pq.h, reftable/record.c, reftable/record.h, reftable/reftable-basics.h, reftable/reftable-block.h, reftable/reftable-blocksource.h, reftable/reftable-constants.h, reftable/reftable-error.h, reftable/reftable-fsck.h, reftable/reftable-iterator.h, reftable/reftable-merged.h, reftable/reftable-record.h, reftable/reftable-stack.h, reftable/reftable-system.h, reftable/reftable-table.h, reftable/reftable-writer.h, reftable/stack.c, reftable/stack.h, reftable/system.c, reftable/system.h, reftable/table.c, reftable/table.h, reftable/tree.c, reftable/tree.h, reftable/writer.c, reftable/writer.h, remote.c, remote.h, repack-cruft.c, repack-filtered.c, repack-geometry.c, repack-midx.c, repack-promisor.c, repack.c, repack.h, replace-object.c, replace-object.h, replay.c, replay.h, repo-settings.c, repo-settings.h, repository.c, repository.h, rerere.c, rerere.h, reset.c, reset.h, resolve-undo.c, resolve-undo.h, revision.c, revision.h, run-command.c, run-command.h, sane-ctype.h, send-pack.c, send-pack.h, sequencer.c, sequencer.h, serve.c, serve.h, server-info.c, server-info.h, setup.c, setup.h, sha1/openssl.h, sha1collisiondetection, sha1dc/.gitattributes, sha1dc/LICENSE.txt, sha1dc/sha1.c, sha1dc/sha1.h, sha1dc/ubc_check.c, sha1dc/ubc_check.h, sha1dc_git.c, sha1dc_git.h, sha256/block/sha256.c, sha256/block/sha256.h, sha256/gcrypt.h, sha256/nettle.h, sha256/openssl.h, shallow.c, shallow.h, shortlog.h, sideband.c, sideband.h, sigchain.c, sigchain.h, simple-ipc.h, sparse-index.c, sparse-index.h, split-index.c, split-index.h, stable-qsort.c, statinfo.c, statinfo.h, strbuf.c, strbuf.h, string-list.c, string-list.h, strmap.c, strmap.h, strvec.c, strvec.h, sub-process.c, sub-process.h, submodule-config.c, submodule-config.h, submodule.c, submodule.h, symlinks.c, symlinks.h, tag.c, tag.h, tar.h, tempfile.c, tempfile.h, thread-utils.c, thread-utils.h, tmp-objdir.c, tmp-objdir.h, trace.c, trace.h, trace2.c, trace2.h, trace2/tr2_cfg.c, trace2/tr2_cfg.h, trace2/tr2_cmd_name.c, trace2/tr2_cmd_name.h, trace2/tr2_ctr.c, trace2/tr2_ctr.h, trace2/tr2_dst.c, trace2/tr2_dst.h, trace2/tr2_sid.c, trace2/tr2_sid.h, trace2/tr2_sysenv.c, trace2/tr2_sysenv.h, trace2/tr2_tbuf.c, trace2/tr2_tbuf.h, trace2/tr2_tgt.h, trace2/tr2_tgt_event.c, trace2/tr2_tgt_normal.c, trace2/tr2_tgt_perf.c, trace2/tr2_tls.c, trace2/tr2_tls.h, trace2/tr2_tmr.c, trace2/tr2_tmr.h, trailer.c, trailer.h, transport-helper.c, transport-internal.h, transport.c, transport.h, tree-diff.c, tree-walk.c, tree-walk.h, tree.c, tree.h, unicode-width.h, unix-socket.c, unix-socket.h, unix-stream-server.c, unix-stream-server.h, unpack-trees.c, unpack-trees.h, upload-pack.c, upload-pack.h, url.c, url.h, urlmatch.c, urlmatch.h, usage.c, userdiff.c, userdiff.h, utf8.c, utf8.h, varint.c, varint.h, version-def.h.in, version.c, version.h, versioncmp.c, versioncmp.h, walker.c, walker.h, wildmatch.c, wildmatch.h, worktree.c, worktree.h, wrapper.c, wrapper.h, write-or-die.c, write-or-die.h, ws.c, ws.h, wt-status.c, wt-status.h, xdiff-interface.c, xdiff-interface.h, xdiff/xdiff.h, xdiff/xdiffi.c, xdiff/xdiffi.h, xdiff/xemit.c, xdiff/xemit.h, xdiff/xhistogram.c, xdiff/xinclude.h, xdiff/xmacros.h, xdiff/xmerge.c, xdiff/xpatience.c, xdiff/xprepare.c, xdiff/xprepare.h, xdiff/xtypes.h, xdiff/xutils.c, xdiff/xutils.h, meson.build

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6f3d94e3a6..290cfd8f67 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -179,7 +179,7 @@ jobs:
       uses: actions/checkout@v5
       with:
         repository: 'microsoft/vcpkg'
-        path: 'compat/vcbuild/vcpkg'
+        path: 'lib/compat/vcbuild/vcpkg'
     - name: download vcpkg artifacts
       uses: git-for-windows/get-azure-pipelines-artifact@v0
       with:
@@ -189,11 +189,11 @@ jobs:
       uses: microsoft/setup-msbuild@v2
     - name: copy dlls to root
       shell: cmd
-      run: compat\vcbuild\vcpkg_copy_dlls.bat release
+      run: lib\compat\vcbuild\vcpkg_copy_dlls.bat release
     - name: generate Visual Studio solution
       shell: bash
       run: |
-        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/compat/vcbuild/vcpkg/installed/x64-windows \
+        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/lib/compat/vcbuild/vcpkg/installed/x64-windows \
         -DNO_GETTEXT=YesPlease -DPERL_TESTS=OFF -DPYTHON_TESTS=OFF -DCURL_NO_CURL_CMAKE=ON
     - name: MSBuild
       run: msbuild git.sln -property:Configuration=Release -property:Platform=x64 -maxCpuCount:4 -property:PlatformToolset=v142
@@ -201,7 +201,7 @@ jobs:
       shell: bash
       env:
         MSVC: 1
-        VCPKG_ROOT: ${{github.workspace}}\compat\vcbuild\vcpkg
+        VCPKG_ROOT: ${{github.workspace}}\lib\compat\vcbuild\vcpkg
       run: |
         mkdir -p artifacts &&
         eval "$(make -n artifacts-tar INCLUDE_DLLS_IN_ARTIFACTS=YesPlease ARTIFACTS_DIRECTORY=artifacts NO_GETTEXT=YesPlease 2>&1 | grep ^tar)"
diff --git a/.gitmodules b/.gitmodules
index cbeebdab7a..8bafb8bb49 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "sha1collisiondetection"]
-	path = sha1collisiondetection
+	path = lib/sha1collisiondetection
 	url = https://github.com/cr-marcstevens/sha1collisiondetection.git
 	branch = master
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 2699f0b24a..c4fd5a5c87 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -505,10 +505,10 @@ lint-docs-man-section-order: $(LINT_DOCS_MAN_SECTION_ORDER)
 .PHONY: lint-docs-fsck-msgids
 LINT_DOCS_FSCK_MSGIDS = .build/lint-docs/fsck-msgids.ok
 $(LINT_DOCS_FSCK_MSGIDS): lint-fsck-msgids.perl
-$(LINT_DOCS_FSCK_MSGIDS): ../fsck.h fsck-msgids.adoc
+$(LINT_DOCS_FSCK_MSGIDS): ../lib/fsck.h fsck-msgids.adoc
 	$(call mkdir_p_parent_template)
 	$(QUIET_GEN)$(PERL_PATH) lint-fsck-msgids.perl \
-		../fsck.h fsck-msgids.adoc $@
+		../lib/fsck.h fsck-msgids.adoc $@
 lint-docs-fsck-msgids: $(LINT_DOCS_FSCK_MSGIDS)
 
 ## Lint: delimited sections
diff --git a/Makefile b/Makefile
index cedc234173..641dfbbf24 100644
--- a/Makefile
+++ b/Makefile
@@ -969,7 +969,7 @@ endif
 CFLAGS = -g -O2 -Wall
 LDFLAGS =
 CC_LD_DYNPATH = -Wl,-rpath,
-BASIC_CFLAGS = -I.
+BASIC_CFLAGS = -I. -Ilib
 BASIC_LDFLAGS =
 
 # library flags
@@ -994,7 +994,7 @@ SANITIZE_LEAK =
 SANITIZE_ADDRESS =
 
 # For the 'coccicheck' target
-SPATCH_INCLUDE_FLAGS = --all-includes $(addprefix -I ,compat ewah refs sha256 trace2 win32 xdiff)
+SPATCH_INCLUDE_FLAGS = --all-includes $(addprefix -I lib/,compat ewah refs sha256 trace2 win32 xdiff)
 SPATCH_FLAGS =
 SPATCH_TEST_FLAGS =
 
@@ -1085,292 +1085,292 @@ FOUND_SOURCE_FILES := $(filter-out $(GENERATED_H),$(shell $(SOURCES_CMD)))
 FOUND_C_SOURCES = $(filter %.c,$(FOUND_SOURCE_FILES))
 FOUND_H_SOURCES = $(filter %.h,$(FOUND_SOURCE_FILES))
 
-COCCI_SOURCES = $(filter-out $(THIRD_PARTY_SOURCES) reftable/%,$(FOUND_C_SOURCES))
+COCCI_SOURCES = $(filter-out $(THIRD_PARTY_SOURCES) lib/reftable/%,$(FOUND_C_SOURCES))
 
 LIB_H = $(FOUND_H_SOURCES)
 
-LIB_OBJS += abspath.o
-LIB_OBJS += add-interactive.o
-LIB_OBJS += add-patch.o
-LIB_OBJS += advice.o
-LIB_OBJS += alias.o
-LIB_OBJS += alloc.o
-LIB_OBJS += apply.o
-LIB_OBJS += archive-tar.o
-LIB_OBJS += archive-zip.o
-LIB_OBJS += archive.o
-LIB_OBJS += attr.o
-LIB_OBJS += base85.o
-LIB_OBJS += bisect.o
-LIB_OBJS += blame.o
-LIB_OBJS += blob.o
-LIB_OBJS += bloom.o
-LIB_OBJS += branch.o
-LIB_OBJS += bundle-uri.o
-LIB_OBJS += bundle.o
-LIB_OBJS += cache-tree.o
-LIB_OBJS += cbtree.o
-LIB_OBJS += chdir-notify.o
-LIB_OBJS += checkout.o
-LIB_OBJS += chunk-format.o
-LIB_OBJS += color.o
-LIB_OBJS += column.o
-LIB_OBJS += combine-diff.o
-LIB_OBJS += commit-graph.o
-LIB_OBJS += commit-reach.o
-LIB_OBJS += commit.o
-LIB_OBJS += common-exit.o
-LIB_OBJS += common-init.o
-LIB_OBJS += compat/nonblock.o
-LIB_OBJS += compat/obstack.o
-LIB_OBJS += compat/open.o
-LIB_OBJS += compat/terminal.o
-LIB_OBJS += compiler-tricks/not-constant.o
-LIB_OBJS += config.o
-LIB_OBJS += connect.o
-LIB_OBJS += connected.o
-LIB_OBJS += convert.o
-LIB_OBJS += copy.o
-LIB_OBJS += credential.o
-LIB_OBJS += csum-file.o
-LIB_OBJS += ctype.o
-LIB_OBJS += date.o
-LIB_OBJS += decorate.o
-LIB_OBJS += delta-islands.o
-LIB_OBJS += diagnose.o
-LIB_OBJS += diff-delta.o
-LIB_OBJS += diff-merges.o
-LIB_OBJS += diff-lib.o
-LIB_OBJS += diff-no-index.o
-LIB_OBJS += diff.o
-LIB_OBJS += diffcore-break.o
-LIB_OBJS += diffcore-delta.o
-LIB_OBJS += diffcore-order.o
-LIB_OBJS += diffcore-pickaxe.o
-LIB_OBJS += diffcore-rename.o
-LIB_OBJS += diffcore-rotate.o
-LIB_OBJS += dir-iterator.o
-LIB_OBJS += dir.o
-LIB_OBJS += editor.o
-LIB_OBJS += entry.o
-LIB_OBJS += environment.o
-LIB_OBJS += ewah/bitmap.o
-LIB_OBJS += ewah/ewah_bitmap.o
-LIB_OBJS += ewah/ewah_io.o
-LIB_OBJS += ewah/ewah_rlw.o
-LIB_OBJS += exec-cmd.o
-LIB_OBJS += fetch-negotiator.o
-LIB_OBJS += fetch-pack.o
-LIB_OBJS += fmt-merge-msg.o
-LIB_OBJS += fsck.o
-LIB_OBJS += fsmonitor.o
-LIB_OBJS += fsmonitor-ipc.o
-LIB_OBJS += fsmonitor-settings.o
-LIB_OBJS += gettext.o
-LIB_OBJS += git-zlib.o
-LIB_OBJS += gpg-interface.o
-LIB_OBJS += graph.o
-LIB_OBJS += grep.o
-LIB_OBJS += hash-lookup.o
-LIB_OBJS += hash.o
-LIB_OBJS += hashmap.o
-LIB_OBJS += help.o
-LIB_OBJS += hex.o
-LIB_OBJS += hex-ll.o
-LIB_OBJS += hook.o
-LIB_OBJS += ident.o
-LIB_OBJS += json-writer.o
-LIB_OBJS += kwset.o
-LIB_OBJS += levenshtein.o
-LIB_OBJS += line-log.o
-LIB_OBJS += line-range.o
-LIB_OBJS += linear-assignment.o
-LIB_OBJS += list-objects-filter-options.o
-LIB_OBJS += list-objects-filter.o
-LIB_OBJS += list-objects.o
-LIB_OBJS += lockfile.o
-LIB_OBJS += log-tree.o
-LIB_OBJS += loose.o
-LIB_OBJS += ls-refs.o
-LIB_OBJS += mailinfo.o
-LIB_OBJS += mailmap.o
-LIB_OBJS += match-trees.o
-LIB_OBJS += mem-pool.o
-LIB_OBJS += merge-blobs.o
-LIB_OBJS += merge-ll.o
-LIB_OBJS += merge-ort.o
-LIB_OBJS += merge-ort-wrappers.o
-LIB_OBJS += merge.o
-LIB_OBJS += midx.o
-LIB_OBJS += midx-write.o
-LIB_OBJS += name-hash.o
-LIB_OBJS += negotiator/default.o
-LIB_OBJS += negotiator/noop.o
-LIB_OBJS += negotiator/skipping.o
-LIB_OBJS += notes-cache.o
-LIB_OBJS += notes-merge.o
-LIB_OBJS += notes-utils.o
-LIB_OBJS += notes.o
-LIB_OBJS += object-file-convert.o
-LIB_OBJS += object-file.o
-LIB_OBJS += object-name.o
-LIB_OBJS += object.o
-LIB_OBJS += odb.o
-LIB_OBJS += odb/source.o
-LIB_OBJS += odb/source-files.o
-LIB_OBJS += odb/streaming.o
-LIB_OBJS += oid-array.o
-LIB_OBJS += oidmap.o
-LIB_OBJS += oidset.o
-LIB_OBJS += oidtree.o
-LIB_OBJS += pack-bitmap-write.o
-LIB_OBJS += pack-bitmap.o
-LIB_OBJS += pack-check.o
-LIB_OBJS += pack-mtimes.o
-LIB_OBJS += pack-objects.o
-LIB_OBJS += pack-refs.o
-LIB_OBJS += pack-revindex.o
-LIB_OBJS += pack-write.o
-LIB_OBJS += packfile.o
-LIB_OBJS += pager.o
-LIB_OBJS += parallel-checkout.o
-LIB_OBJS += parse.o
-LIB_OBJS += parse-options-cb.o
-LIB_OBJS += parse-options.o
-LIB_OBJS += patch-delta.o
-LIB_OBJS += patch-ids.o
-LIB_OBJS += path.o
-LIB_OBJS += path-walk.o
-LIB_OBJS += pathspec.o
-LIB_OBJS += pkt-line.o
-LIB_OBJS += preload-index.o
-LIB_OBJS += pretty.o
-LIB_OBJS += prio-queue.o
-LIB_OBJS += progress.o
-LIB_OBJS += promisor-remote.o
-LIB_OBJS += prompt.o
-LIB_OBJS += protocol.o
-LIB_OBJS += protocol-caps.o
-LIB_OBJS += prune-packed.o
-LIB_OBJS += pseudo-merge.o
-LIB_OBJS += quote.o
-LIB_OBJS += range-diff.o
-LIB_OBJS += reachable.o
-LIB_OBJS += read-cache.o
-LIB_OBJS += rebase-interactive.o
-LIB_OBJS += rebase.o
-LIB_OBJS += ref-filter.o
-LIB_OBJS += reflog-walk.o
-LIB_OBJS += reflog.o
-LIB_OBJS += refs.o
-LIB_OBJS += refs/debug.o
-LIB_OBJS += refs/files-backend.o
-LIB_OBJS += refs/reftable-backend.o
-LIB_OBJS += refs/iterator.o
-LIB_OBJS += refs/packed-backend.o
-LIB_OBJS += refs/ref-cache.o
-LIB_OBJS += refspec.o
-LIB_OBJS += reftable/basics.o
-LIB_OBJS += reftable/block.o
-LIB_OBJS += reftable/blocksource.o
-LIB_OBJS += reftable/error.o
-LIB_OBJS += reftable/fsck.o
-LIB_OBJS += reftable/iter.o
-LIB_OBJS += reftable/merged.o
-LIB_OBJS += reftable/pq.o
-LIB_OBJS += reftable/record.o
-LIB_OBJS += reftable/stack.o
-LIB_OBJS += reftable/system.o
-LIB_OBJS += reftable/table.o
-LIB_OBJS += reftable/tree.o
-LIB_OBJS += reftable/writer.o
-LIB_OBJS += remote.o
-LIB_OBJS += repack.o
-LIB_OBJS += repack-cruft.o
-LIB_OBJS += repack-filtered.o
-LIB_OBJS += repack-geometry.o
-LIB_OBJS += repack-midx.o
-LIB_OBJS += repack-promisor.o
-LIB_OBJS += replace-object.o
-LIB_OBJS += replay.o
-LIB_OBJS += repo-settings.o
-LIB_OBJS += repository.o
-LIB_OBJS += rerere.o
-LIB_OBJS += reset.o
-LIB_OBJS += resolve-undo.o
-LIB_OBJS += revision.o
-LIB_OBJS += run-command.o
-LIB_OBJS += send-pack.o
-LIB_OBJS += sequencer.o
-LIB_OBJS += serve.o
-LIB_OBJS += server-info.o
-LIB_OBJS += setup.o
-LIB_OBJS += shallow.o
-LIB_OBJS += sideband.o
-LIB_OBJS += sigchain.o
-LIB_OBJS += sparse-index.o
-LIB_OBJS += split-index.o
-LIB_OBJS += stable-qsort.o
-LIB_OBJS += statinfo.o
-LIB_OBJS += strbuf.o
-LIB_OBJS += string-list.o
-LIB_OBJS += strmap.o
-LIB_OBJS += strvec.o
-LIB_OBJS += sub-process.o
-LIB_OBJS += submodule-config.o
-LIB_OBJS += submodule.o
-LIB_OBJS += symlinks.o
-LIB_OBJS += tag.o
-LIB_OBJS += tempfile.o
-LIB_OBJS += thread-utils.o
-LIB_OBJS += tmp-objdir.o
-LIB_OBJS += trace.o
-LIB_OBJS += trace2.o
-LIB_OBJS += trace2/tr2_cfg.o
-LIB_OBJS += trace2/tr2_cmd_name.o
-LIB_OBJS += trace2/tr2_ctr.o
-LIB_OBJS += trace2/tr2_dst.o
-LIB_OBJS += trace2/tr2_sid.o
-LIB_OBJS += trace2/tr2_sysenv.o
-LIB_OBJS += trace2/tr2_tbuf.o
-LIB_OBJS += trace2/tr2_tgt_event.o
-LIB_OBJS += trace2/tr2_tgt_normal.o
-LIB_OBJS += trace2/tr2_tgt_perf.o
-LIB_OBJS += trace2/tr2_tls.o
-LIB_OBJS += trace2/tr2_tmr.o
-LIB_OBJS += trailer.o
-LIB_OBJS += transport-helper.o
-LIB_OBJS += transport.o
-LIB_OBJS += tree-diff.o
-LIB_OBJS += tree-walk.o
-LIB_OBJS += tree.o
-LIB_OBJS += unpack-trees.o
-LIB_OBJS += upload-pack.o
-LIB_OBJS += url.o
-LIB_OBJS += urlmatch.o
-LIB_OBJS += usage.o
-LIB_OBJS += userdiff.o
-LIB_OBJS += utf8.o
+LIB_OBJS += lib/abspath.o
+LIB_OBJS += lib/add-interactive.o
+LIB_OBJS += lib/add-patch.o
+LIB_OBJS += lib/advice.o
+LIB_OBJS += lib/alias.o
+LIB_OBJS += lib/alloc.o
+LIB_OBJS += lib/apply.o
+LIB_OBJS += lib/archive-tar.o
+LIB_OBJS += lib/archive-zip.o
+LIB_OBJS += lib/archive.o
+LIB_OBJS += lib/attr.o
+LIB_OBJS += lib/base85.o
+LIB_OBJS += lib/bisect.o
+LIB_OBJS += lib/blame.o
+LIB_OBJS += lib/blob.o
+LIB_OBJS += lib/bloom.o
+LIB_OBJS += lib/branch.o
+LIB_OBJS += lib/bundle-uri.o
+LIB_OBJS += lib/bundle.o
+LIB_OBJS += lib/cache-tree.o
+LIB_OBJS += lib/cbtree.o
+LIB_OBJS += lib/chdir-notify.o
+LIB_OBJS += lib/checkout.o
+LIB_OBJS += lib/chunk-format.o
+LIB_OBJS += lib/color.o
+LIB_OBJS += lib/column.o
+LIB_OBJS += lib/combine-diff.o
+LIB_OBJS += lib/commit-graph.o
+LIB_OBJS += lib/commit-reach.o
+LIB_OBJS += lib/commit.o
+LIB_OBJS += lib/common-exit.o
+LIB_OBJS += lib/common-init.o
+LIB_OBJS += lib/compat/nonblock.o
+LIB_OBJS += lib/compat/obstack.o
+LIB_OBJS += lib/compat/open.o
+LIB_OBJS += lib/compat/terminal.o
+LIB_OBJS += lib/compiler-tricks/not-constant.o
+LIB_OBJS += lib/config.o
+LIB_OBJS += lib/connect.o
+LIB_OBJS += lib/connected.o
+LIB_OBJS += lib/convert.o
+LIB_OBJS += lib/copy.o
+LIB_OBJS += lib/credential.o
+LIB_OBJS += lib/csum-file.o
+LIB_OBJS += lib/ctype.o
+LIB_OBJS += lib/date.o
+LIB_OBJS += lib/decorate.o
+LIB_OBJS += lib/delta-islands.o
+LIB_OBJS += lib/diagnose.o
+LIB_OBJS += lib/diff-delta.o
+LIB_OBJS += lib/diff-merges.o
+LIB_OBJS += lib/diff-lib.o
+LIB_OBJS += lib/diff-no-index.o
+LIB_OBJS += lib/diff.o
+LIB_OBJS += lib/diffcore-break.o
+LIB_OBJS += lib/diffcore-delta.o
+LIB_OBJS += lib/diffcore-order.o
+LIB_OBJS += lib/diffcore-pickaxe.o
+LIB_OBJS += lib/diffcore-rename.o
+LIB_OBJS += lib/diffcore-rotate.o
+LIB_OBJS += lib/dir-iterator.o
+LIB_OBJS += lib/dir.o
+LIB_OBJS += lib/editor.o
+LIB_OBJS += lib/entry.o
+LIB_OBJS += lib/environment.o
+LIB_OBJS += lib/ewah/bitmap.o
+LIB_OBJS += lib/ewah/ewah_bitmap.o
+LIB_OBJS += lib/ewah/ewah_io.o
+LIB_OBJS += lib/ewah/ewah_rlw.o
+LIB_OBJS += lib/exec-cmd.o
+LIB_OBJS += lib/fetch-negotiator.o
+LIB_OBJS += lib/fetch-pack.o
+LIB_OBJS += lib/fmt-merge-msg.o
+LIB_OBJS += lib/fsck.o
+LIB_OBJS += lib/fsmonitor.o
+LIB_OBJS += lib/fsmonitor-ipc.o
+LIB_OBJS += lib/fsmonitor-settings.o
+LIB_OBJS += lib/gettext.o
+LIB_OBJS += lib/git-zlib.o
+LIB_OBJS += lib/gpg-interface.o
+LIB_OBJS += lib/graph.o
+LIB_OBJS += lib/grep.o
+LIB_OBJS += lib/hash-lookup.o
+LIB_OBJS += lib/hash.o
+LIB_OBJS += lib/hashmap.o
+LIB_OBJS += lib/help.o
+LIB_OBJS += lib/hex.o
+LIB_OBJS += lib/hex-ll.o
+LIB_OBJS += lib/hook.o
+LIB_OBJS += lib/ident.o
+LIB_OBJS += lib/json-writer.o
+LIB_OBJS += lib/kwset.o
+LIB_OBJS += lib/levenshtein.o
+LIB_OBJS += lib/line-log.o
+LIB_OBJS += lib/line-range.o
+LIB_OBJS += lib/linear-assignment.o
+LIB_OBJS += lib/list-objects-filter-options.o
+LIB_OBJS += lib/list-objects-filter.o
+LIB_OBJS += lib/list-objects.o
+LIB_OBJS += lib/lockfile.o
+LIB_OBJS += lib/log-tree.o
+LIB_OBJS += lib/loose.o
+LIB_OBJS += lib/ls-refs.o
+LIB_OBJS += lib/mailinfo.o
+LIB_OBJS += lib/mailmap.o
+LIB_OBJS += lib/match-trees.o
+LIB_OBJS += lib/mem-pool.o
+LIB_OBJS += lib/merge-blobs.o
+LIB_OBJS += lib/merge-ll.o
+LIB_OBJS += lib/merge-ort.o
+LIB_OBJS += lib/merge-ort-wrappers.o
+LIB_OBJS += lib/merge.o
+LIB_OBJS += lib/midx.o
+LIB_OBJS += lib/midx-write.o
+LIB_OBJS += lib/name-hash.o
+LIB_OBJS += lib/negotiator/default.o
+LIB_OBJS += lib/negotiator/noop.o
+LIB_OBJS += lib/negotiator/skipping.o
+LIB_OBJS += lib/notes-cache.o
+LIB_OBJS += lib/notes-merge.o
+LIB_OBJS += lib/notes-utils.o
+LIB_OBJS += lib/notes.o
+LIB_OBJS += lib/object-file-convert.o
+LIB_OBJS += lib/object-file.o
+LIB_OBJS += lib/object-name.o
+LIB_OBJS += lib/object.o
+LIB_OBJS += lib/odb.o
+LIB_OBJS += lib/odb/source.o
+LIB_OBJS += lib/odb/source-files.o
+LIB_OBJS += lib/odb/streaming.o
+LIB_OBJS += lib/oid-array.o
+LIB_OBJS += lib/oidmap.o
+LIB_OBJS += lib/oidset.o
+LIB_OBJS += lib/oidtree.o
+LIB_OBJS += lib/pack-bitmap-write.o
+LIB_OBJS += lib/pack-bitmap.o
+LIB_OBJS += lib/pack-check.o
+LIB_OBJS += lib/pack-mtimes.o
+LIB_OBJS += lib/pack-objects.o
+LIB_OBJS += lib/pack-refs.o
+LIB_OBJS += lib/pack-revindex.o
+LIB_OBJS += lib/pack-write.o
+LIB_OBJS += lib/packfile.o
+LIB_OBJS += lib/pager.o
+LIB_OBJS += lib/parallel-checkout.o
+LIB_OBJS += lib/parse.o
+LIB_OBJS += lib/parse-options-cb.o
+LIB_OBJS += lib/parse-options.o
+LIB_OBJS += lib/patch-delta.o
+LIB_OBJS += lib/patch-ids.o
+LIB_OBJS += lib/path.o
+LIB_OBJS += lib/path-walk.o
+LIB_OBJS += lib/pathspec.o
+LIB_OBJS += lib/pkt-line.o
+LIB_OBJS += lib/preload-index.o
+LIB_OBJS += lib/pretty.o
+LIB_OBJS += lib/prio-queue.o
+LIB_OBJS += lib/progress.o
+LIB_OBJS += lib/promisor-remote.o
+LIB_OBJS += lib/prompt.o
+LIB_OBJS += lib/protocol.o
+LIB_OBJS += lib/protocol-caps.o
+LIB_OBJS += lib/prune-packed.o
+LIB_OBJS += lib/pseudo-merge.o
+LIB_OBJS += lib/quote.o
+LIB_OBJS += lib/range-diff.o
+LIB_OBJS += lib/reachable.o
+LIB_OBJS += lib/read-cache.o
+LIB_OBJS += lib/rebase-interactive.o
+LIB_OBJS += lib/rebase.o
+LIB_OBJS += lib/ref-filter.o
+LIB_OBJS += lib/reflog-walk.o
+LIB_OBJS += lib/reflog.o
+LIB_OBJS += lib/refs.o
+LIB_OBJS += lib/refs/debug.o
+LIB_OBJS += lib/refs/files-backend.o
+LIB_OBJS += lib/refs/reftable-backend.o
+LIB_OBJS += lib/refs/iterator.o
+LIB_OBJS += lib/refs/packed-backend.o
+LIB_OBJS += lib/refs/ref-cache.o
+LIB_OBJS += lib/refspec.o
+LIB_OBJS += lib/reftable/basics.o
+LIB_OBJS += lib/reftable/block.o
+LIB_OBJS += lib/reftable/blocksource.o
+LIB_OBJS += lib/reftable/error.o
+LIB_OBJS += lib/reftable/fsck.o
+LIB_OBJS += lib/reftable/iter.o
+LIB_OBJS += lib/reftable/merged.o
+LIB_OBJS += lib/reftable/pq.o
+LIB_OBJS += lib/reftable/record.o
+LIB_OBJS += lib/reftable/stack.o
+LIB_OBJS += lib/reftable/system.o
+LIB_OBJS += lib/reftable/table.o
+LIB_OBJS += lib/reftable/tree.o
+LIB_OBJS += lib/reftable/writer.o
+LIB_OBJS += lib/remote.o
+LIB_OBJS += lib/repack.o
+LIB_OBJS += lib/repack-cruft.o
+LIB_OBJS += lib/repack-filtered.o
+LIB_OBJS += lib/repack-geometry.o
+LIB_OBJS += lib/repack-midx.o
+LIB_OBJS += lib/repack-promisor.o
+LIB_OBJS += lib/replace-object.o
+LIB_OBJS += lib/replay.o
+LIB_OBJS += lib/repo-settings.o
+LIB_OBJS += lib/repository.o
+LIB_OBJS += lib/rerere.o
+LIB_OBJS += lib/reset.o
+LIB_OBJS += lib/resolve-undo.o
+LIB_OBJS += lib/revision.o
+LIB_OBJS += lib/run-command.o
+LIB_OBJS += lib/send-pack.o
+LIB_OBJS += lib/sequencer.o
+LIB_OBJS += lib/serve.o
+LIB_OBJS += lib/server-info.o
+LIB_OBJS += lib/setup.o
+LIB_OBJS += lib/shallow.o
+LIB_OBJS += lib/sideband.o
+LIB_OBJS += lib/sigchain.o
+LIB_OBJS += lib/sparse-index.o
+LIB_OBJS += lib/split-index.o
+LIB_OBJS += lib/stable-qsort.o
+LIB_OBJS += lib/statinfo.o
+LIB_OBJS += lib/strbuf.o
+LIB_OBJS += lib/string-list.o
+LIB_OBJS += lib/strmap.o
+LIB_OBJS += lib/strvec.o
+LIB_OBJS += lib/sub-process.o
+LIB_OBJS += lib/submodule-config.o
+LIB_OBJS += lib/submodule.o
+LIB_OBJS += lib/symlinks.o
+LIB_OBJS += lib/tag.o
+LIB_OBJS += lib/tempfile.o
+LIB_OBJS += lib/thread-utils.o
+LIB_OBJS += lib/tmp-objdir.o
+LIB_OBJS += lib/trace.o
+LIB_OBJS += lib/trace2.o
+LIB_OBJS += lib/trace2/tr2_cfg.o
+LIB_OBJS += lib/trace2/tr2_cmd_name.o
+LIB_OBJS += lib/trace2/tr2_ctr.o
+LIB_OBJS += lib/trace2/tr2_dst.o
+LIB_OBJS += lib/trace2/tr2_sid.o
+LIB_OBJS += lib/trace2/tr2_sysenv.o
+LIB_OBJS += lib/trace2/tr2_tbuf.o
+LIB_OBJS += lib/trace2/tr2_tgt_event.o
+LIB_OBJS += lib/trace2/tr2_tgt_normal.o
+LIB_OBJS += lib/trace2/tr2_tgt_perf.o
+LIB_OBJS += lib/trace2/tr2_tls.o
+LIB_OBJS += lib/trace2/tr2_tmr.o
+LIB_OBJS += lib/trailer.o
+LIB_OBJS += lib/transport-helper.o
+LIB_OBJS += lib/transport.o
+LIB_OBJS += lib/tree-diff.o
+LIB_OBJS += lib/tree-walk.o
+LIB_OBJS += lib/tree.o
+LIB_OBJS += lib/unpack-trees.o
+LIB_OBJS += lib/upload-pack.o
+LIB_OBJS += lib/url.o
+LIB_OBJS += lib/urlmatch.o
+LIB_OBJS += lib/usage.o
+LIB_OBJS += lib/userdiff.o
+LIB_OBJS += lib/utf8.o
 ifndef WITH_RUST
-LIB_OBJS += varint.o
-endif
-LIB_OBJS += version.o
-LIB_OBJS += versioncmp.o
-LIB_OBJS += walker.o
-LIB_OBJS += wildmatch.o
-LIB_OBJS += worktree.o
-LIB_OBJS += wrapper.o
-LIB_OBJS += write-or-die.o
-LIB_OBJS += ws.o
-LIB_OBJS += wt-status.o
-LIB_OBJS += xdiff-interface.o
-LIB_OBJS += xdiff/xdiffi.o
-LIB_OBJS += xdiff/xemit.o
-LIB_OBJS += xdiff/xhistogram.o
-LIB_OBJS += xdiff/xmerge.o
-LIB_OBJS += xdiff/xpatience.o
-LIB_OBJS += xdiff/xprepare.o
-LIB_OBJS += xdiff/xutils.o
+LIB_OBJS += lib/varint.o
+endif
+LIB_OBJS += lib/version.o
+LIB_OBJS += lib/versioncmp.o
+LIB_OBJS += lib/walker.o
+LIB_OBJS += lib/wildmatch.o
+LIB_OBJS += lib/worktree.o
+LIB_OBJS += lib/wrapper.o
+LIB_OBJS += lib/write-or-die.o
+LIB_OBJS += lib/ws.o
+LIB_OBJS += lib/wt-status.o
+LIB_OBJS += lib/xdiff-interface.o
+LIB_OBJS += lib/xdiff/xdiffi.o
+LIB_OBJS += lib/xdiff/xemit.o
+LIB_OBJS += lib/xdiff/xhistogram.o
+LIB_OBJS += lib/xdiff/xmerge.o
+LIB_OBJS += lib/xdiff/xpatience.o
+LIB_OBJS += lib/xdiff/xprepare.o
+LIB_OBJS += lib/xdiff/xutils.o
 
 BUILTIN_OBJS += builtin/add.o
 BUILTIN_OBJS += builtin/am.o
@@ -1509,14 +1509,14 @@ BUILTIN_OBJS += builtin/write-tree.o
 # files which are taken from some third-party source where we want to be
 # less strict about issues such as coding style so we don't diverge from
 # upstream unnecessarily (making merging in future changes easier).
-THIRD_PARTY_SOURCES += compat/inet_ntop.c
-THIRD_PARTY_SOURCES += compat/inet_pton.c
-THIRD_PARTY_SOURCES += compat/nedmalloc/%
-THIRD_PARTY_SOURCES += compat/obstack.%
-THIRD_PARTY_SOURCES += compat/poll/%
-THIRD_PARTY_SOURCES += compat/regex/%
-THIRD_PARTY_SOURCES += sha1collisiondetection/%
-THIRD_PARTY_SOURCES += sha1dc/%
+THIRD_PARTY_SOURCES += lib/compat/inet_ntop.c
+THIRD_PARTY_SOURCES += lib/compat/inet_pton.c
+THIRD_PARTY_SOURCES += lib/compat/nedmalloc/%
+THIRD_PARTY_SOURCES += lib/compat/obstack.%
+THIRD_PARTY_SOURCES += lib/compat/poll/%
+THIRD_PARTY_SOURCES += lib/compat/regex/%
+THIRD_PARTY_SOURCES += lib/sha1collisiondetection/%
+THIRD_PARTY_SOURCES += lib/sha1dc/%
 THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/%
 THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/clar/%
 
@@ -1746,7 +1746,7 @@ endif
 
 ifdef NO_LIBGEN_H
 	COMPAT_CFLAGS += -DNO_LIBGEN_H
-	COMPAT_OBJS += compat/basename.o
+	COMPAT_OBJS += lib/compat/basename.o
 endif
 
 ifdef USE_LIBPCRE1
@@ -1812,7 +1812,7 @@ else
         endif
         ifdef USE_CURL_FOR_IMAP_SEND
 		BASIC_CFLAGS += -DUSE_CURL_FOR_IMAP_SEND
-		IMAP_SEND_BUILDDEPS = http.o
+		IMAP_SEND_BUILDDEPS = lib/http.o
 		IMAP_SEND_LDFLAGS += $(CURL_LIBCURL)
         endif
         ifndef NO_EXPAT
@@ -1933,11 +1933,11 @@ ifdef NO_NSEC
 endif
 ifdef SNPRINTF_RETURNS_BOGUS
 	COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
-	COMPAT_OBJS += compat/snprintf.o
+	COMPAT_OBJS += lib/compat/snprintf.o
 endif
 ifdef FREAD_READS_DIRECTORIES
 	COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
-	COMPAT_OBJS += compat/fopen.o
+	COMPAT_OBJS += lib/compat/fopen.o
 endif
 ifdef OPEN_RETURNS_EINTR
 	COMPAT_CFLAGS += -DOPEN_RETURNS_EINTR
@@ -1952,38 +1952,38 @@ endif
 ifdef NO_POLL
 	NO_POLL_H = YesPlease
 	NO_SYS_POLL_H = YesPlease
-	COMPAT_CFLAGS += -DNO_POLL -Icompat/poll
-	COMPAT_OBJS += compat/poll/poll.o
+	COMPAT_CFLAGS += -DNO_POLL -Ilib/compat/poll
+	COMPAT_OBJS += lib/compat/poll/poll.o
 endif
 ifdef NO_STRCASESTR
 	COMPAT_CFLAGS += -DNO_STRCASESTR
-	COMPAT_OBJS += compat/strcasestr.o
+	COMPAT_OBJS += lib/compat/strcasestr.o
 endif
 ifdef NO_STRLCPY
 	COMPAT_CFLAGS += -DNO_STRLCPY
-	COMPAT_OBJS += compat/strlcpy.o
+	COMPAT_OBJS += lib/compat/strlcpy.o
 endif
 ifdef NO_STRTOUMAX
 	COMPAT_CFLAGS += -DNO_STRTOUMAX
-	COMPAT_OBJS += compat/strtoumax.o compat/strtoimax.o
+	COMPAT_OBJS += lib/compat/strtoumax.o lib/compat/strtoimax.o
 endif
 ifdef NO_STRTOULL
 	COMPAT_CFLAGS += -DNO_STRTOULL
 endif
 ifdef NO_SETENV
 	COMPAT_CFLAGS += -DNO_SETENV
-	COMPAT_OBJS += compat/setenv.o
+	COMPAT_OBJS += lib/compat/setenv.o
 endif
 ifdef NO_MKDTEMP
 	COMPAT_CFLAGS += -DNO_MKDTEMP
 endif
 ifdef MKDIR_WO_TRAILING_SLASH
 	COMPAT_CFLAGS += -DMKDIR_WO_TRAILING_SLASH
-	COMPAT_OBJS += compat/mkdir.o
+	COMPAT_OBJS += lib/compat/mkdir.o
 endif
 ifdef NO_UNSETENV
 	COMPAT_CFLAGS += -DNO_UNSETENV
-	COMPAT_OBJS += compat/unsetenv.o
+	COMPAT_OBJS += lib/compat/unsetenv.o
 endif
 ifdef NO_SYS_SELECT_H
 	BASIC_CFLAGS += -DNO_SYS_SELECT_H
@@ -2005,11 +2005,11 @@ ifdef NO_INITGROUPS
 endif
 ifdef NO_MMAP
 	COMPAT_CFLAGS += -DNO_MMAP
-	COMPAT_OBJS += compat/mmap.o
+	COMPAT_OBJS += lib/compat/mmap.o
 else
         ifdef USE_WIN32_MMAP
 		COMPAT_CFLAGS += -DUSE_WIN32_MMAP
-		COMPAT_OBJS += compat/win32mmap.o
+		COMPAT_OBJS += lib/compat/win32mmap.o
         endif
 endif
 ifdef MMAP_PREVENTS_DELETE
@@ -2027,7 +2027,7 @@ ifdef NO_SETITIMER
 endif
 ifdef NO_PREAD
 	COMPAT_CFLAGS += -DNO_PREAD
-	COMPAT_OBJS += compat/pread.o
+	COMPAT_OBJS += lib/compat/pread.o
 endif
 ifdef NO_FAST_WORKING_DIRECTORY
 	BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
@@ -2037,7 +2037,7 @@ ifdef NO_TRUSTABLE_FILEMODE
 endif
 ifdef NEEDS_MODE_TRANSLATION
 	COMPAT_CFLAGS += -DNEEDS_MODE_TRANSLATION
-	COMPAT_OBJS += compat/stat.o
+	COMPAT_OBJS += lib/compat/stat.o
 endif
 ifdef NO_IPV6
 	BASIC_CFLAGS += -DNO_IPV6
@@ -2053,18 +2053,18 @@ else
 endif
 endif
 ifdef NO_INET_NTOP
-	LIB_OBJS += compat/inet_ntop.o
+	LIB_OBJS += lib/compat/inet_ntop.o
 	BASIC_CFLAGS += -DNO_INET_NTOP
 endif
 ifdef NO_INET_PTON
-	LIB_OBJS += compat/inet_pton.o
+	LIB_OBJS += lib/compat/inet_pton.o
 	BASIC_CFLAGS += -DNO_INET_PTON
 endif
 ifdef NO_UNIX_SOCKETS
 	BASIC_CFLAGS += -DNO_UNIX_SOCKETS
 else
-	LIB_OBJS += unix-socket.o
-	LIB_OBJS += unix-stream-server.o
+	LIB_OBJS += lib/unix-socket.o
+	LIB_OBJS += lib/unix-stream-server.o
 endif
 
 # Simple IPC requires threads and platform-specific IPC support.
@@ -2080,14 +2080,14 @@ endif
 #
 ifdef USE_WIN32_IPC
 	BASIC_CFLAGS += -DSUPPORTS_SIMPLE_IPC
-	LIB_OBJS += compat/simple-ipc/ipc-shared.o
-	LIB_OBJS += compat/simple-ipc/ipc-win32.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-shared.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-win32.o
 else
 ifndef NO_PTHREADS
 ifndef NO_UNIX_SOCKETS
 	BASIC_CFLAGS += -DSUPPORTS_SIMPLE_IPC
-	LIB_OBJS += compat/simple-ipc/ipc-shared.o
-	LIB_OBJS += compat/simple-ipc/ipc-unix-socket.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-shared.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-unix-socket.o
 endif
 endif
 endif
@@ -2122,7 +2122,7 @@ ifdef OPENSSL_SHA1
 	BASIC_CFLAGS += -DSHA1_OPENSSL
 else
 ifdef BLK_SHA1
-	LIB_OBJS += block-sha1/sha1.o
+	LIB_OBJS += lib/block-sha1/sha1.o
 	BASIC_CFLAGS += -DSHA1_BLK
 else
 ifdef APPLE_COMMON_CRYPTO_SHA1
@@ -2130,7 +2130,7 @@ ifdef APPLE_COMMON_CRYPTO_SHA1
 	BASIC_CFLAGS += -DSHA1_APPLE
 else
 	BASIC_CFLAGS += -DSHA1_DC
-	LIB_OBJS += sha1dc_git.o
+	LIB_OBJS += lib/sha1dc_git.o
 ifdef DC_SHA1_EXTERNAL
         ifdef DC_SHA1_SUBMODULE
                 ifneq ($(DC_SHA1_SUBMODULE),auto)
@@ -2141,12 +2141,12 @@ $(error Only set DC_SHA1_EXTERNAL or DC_SHA1_SUBMODULE, not both)
 	EXTLIBS += -lsha1detectcoll
 else
 ifdef DC_SHA1_SUBMODULE
-	LIB_OBJS += sha1collisiondetection/lib/sha1.o
-	LIB_OBJS += sha1collisiondetection/lib/ubc_check.o
+	LIB_OBJS += lib/sha1collisiondetection/lib/sha1.o
+	LIB_OBJS += lib/sha1collisiondetection/lib/ubc_check.o
 	BASIC_CFLAGS += -DDC_SHA1_SUBMODULE
 else
-	LIB_OBJS += sha1dc/sha1.o
-	LIB_OBJS += sha1dc/ubc_check.o
+	LIB_OBJS += lib/sha1dc/sha1.o
+	LIB_OBJS += lib/sha1dc/ubc_check.o
 endif
 	BASIC_CFLAGS += \
 		-DSHA1DC_NO_STANDARD_INCLUDES \
@@ -2166,7 +2166,7 @@ endif
 else
 ifdef BLK_SHA1_UNSAFE
 ifndef BLK_SHA1
-	LIB_OBJS += block-sha1/sha1.o
+	LIB_OBJS += lib/block-sha1/sha1.o
 	BASIC_CFLAGS += -DSHA1_BLK_UNSAFE
 endif
 else
@@ -2191,23 +2191,23 @@ ifdef GCRYPT_SHA256
 	BASIC_CFLAGS += -DSHA256_GCRYPT
 	EXTLIBS += -lgcrypt
 else
-	LIB_OBJS += sha256/block/sha256.o
+	LIB_OBJS += lib/sha256/block/sha256.o
 	BASIC_CFLAGS += -DSHA256_BLK
 endif
 endif
 endif
 
 ifdef SHA1_MAX_BLOCK_SIZE
-	LIB_OBJS += compat/sha1-chunked.o
+	LIB_OBJS += lib/compat/sha1-chunked.o
 	BASIC_CFLAGS += -DSHA1_MAX_BLOCK_SIZE="$(SHA1_MAX_BLOCK_SIZE)"
 endif
 ifdef NO_HSTRERROR
 	COMPAT_CFLAGS += -DNO_HSTRERROR
-	COMPAT_OBJS += compat/hstrerror.o
+	COMPAT_OBJS += lib/compat/hstrerror.o
 endif
 ifdef NO_MEMMEM
 	COMPAT_CFLAGS += -DNO_MEMMEM
-	COMPAT_OBJS += compat/memmem.o
+	COMPAT_OBJS += lib/compat/memmem.o
 endif
 ifdef NO_GETPAGESIZE
 	COMPAT_CFLAGS += -DNO_GETPAGESIZE
@@ -2218,7 +2218,7 @@ endif
 ifdef HAVE_ISO_QSORT_S
 	COMPAT_CFLAGS += -DHAVE_ISO_QSORT_S
 else
-	COMPAT_OBJS += compat/qsort_s.o
+	COMPAT_OBJS += lib/compat/qsort_s.o
 endif
 ifdef RUNTIME_PREFIX
 	COMPAT_CFLAGS += -DRUNTIME_PREFIX
@@ -2255,12 +2255,12 @@ ifdef UNRELIABLE_FSTAT
 	BASIC_CFLAGS += -DUNRELIABLE_FSTAT
 endif
 ifdef NO_REGEX
-	COMPAT_CFLAGS += -Icompat/regex
-	COMPAT_OBJS += compat/regex/regex.o
+	COMPAT_CFLAGS += -Ilib/compat/regex
+	COMPAT_OBJS += lib/compat/regex/regex.o
 else
 ifdef USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS
 	COMPAT_CFLAGS += -DUSE_ENHANCED_BASIC_REGULAR_EXPRESSIONS
-	COMPAT_OBJS += compat/regcomp_enhanced.o
+	COMPAT_OBJS += lib/compat/regcomp_enhanced.o
 endif
 endif
 ifdef NATIVE_CRLF
@@ -2268,14 +2268,14 @@ ifdef NATIVE_CRLF
 endif
 
 ifdef USE_NED_ALLOCATOR
-	COMPAT_CFLAGS += -Icompat/nedmalloc
-	COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+	COMPAT_CFLAGS += -Ilib/compat/nedmalloc
+	COMPAT_OBJS += lib/compat/nedmalloc/nedmalloc.o
 	OVERRIDE_STRDUP = YesPlease
 endif
 
 ifdef OVERRIDE_STRDUP
 	COMPAT_CFLAGS += -DOVERRIDE_STRDUP
-	COMPAT_OBJS += compat/strdup.o
+	COMPAT_OBJS += lib/compat/strdup.o
 endif
 
 ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
@@ -2337,7 +2337,7 @@ ifneq ($(findstring openssl,$(CSPRNG_METHOD)),)
 endif
 
 ifndef HAVE_PLATFORM_PROCINFO
-	COMPAT_OBJS += compat/stub/procinfo.o
+	COMPAT_OBJS += lib/compat/stub/procinfo.o
 endif
 
 ifdef RUNTIME_PREFIX
@@ -2367,25 +2367,25 @@ endif
 
 ifdef FILENO_IS_A_MACRO
 	COMPAT_CFLAGS += -DFILENO_IS_A_MACRO
-	COMPAT_OBJS += compat/fileno.o
+	COMPAT_OBJS += lib/compat/fileno.o
 endif
 
 ifdef NEED_ACCESS_ROOT_HANDLER
 	COMPAT_CFLAGS += -DNEED_ACCESS_ROOT_HANDLER
-	COMPAT_OBJS += compat/access.o
+	COMPAT_OBJS += lib/compat/access.o
 endif
 
 ifdef FSMONITOR_DAEMON_BACKEND
 	COMPAT_CFLAGS += -DHAVE_FSMONITOR_DAEMON_BACKEND
-	COMPAT_OBJS += compat/fsmonitor/fsm-listen-$(FSMONITOR_DAEMON_BACKEND).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-health-$(FSMONITOR_DAEMON_BACKEND).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-ipc-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-listen-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-health-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-ipc-$(FSMONITOR_DAEMON_BACKEND).o
 endif
 
 ifdef FSMONITOR_OS_SETTINGS
 	COMPAT_CFLAGS += -DHAVE_FSMONITOR_OS_SETTINGS
-	COMPAT_OBJS += compat/fsmonitor/fsm-settings-$(FSMONITOR_OS_SETTINGS).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-path-utils-$(FSMONITOR_OS_SETTINGS).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-settings-$(FSMONITOR_OS_SETTINGS).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-path-utils-$(FSMONITOR_OS_SETTINGS).o
 endif
 
 ifdef WITH_BREAKING_CHANGES
@@ -2669,7 +2669,7 @@ git$X: git.o GIT-LDFLAGS $(BUILTIN_OBJS) $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) \
 		$(filter %.o,$^) $(LIBS)
 
-help.sp help.s help.o: command-list.h
+lib/help.sp lib/help.s lib/help.o: command-list.h
 builtin/bugreport.sp builtin/bugreport.s builtin/bugreport.o: hook-list.h
 builtin/hook.sp builtin/hook.s builtin/hook.o: hook-list.h
 
@@ -2682,13 +2682,13 @@ builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
 PAGER_ENV_SQ = $(subst ','\'',$(PAGER_ENV))
 PAGER_ENV_CQ = "$(subst ",\",$(subst \,\\,$(PAGER_ENV)))"
 PAGER_ENV_CQ_SQ = $(subst ','\'',$(PAGER_ENV_CQ))
-pager.sp pager.s pager.o: EXTRA_CPPFLAGS = \
+lib/pager.sp lib/pager.s lib/pager.o: EXTRA_CPPFLAGS = \
 	-DPAGER_ENV='$(PAGER_ENV_CQ_SQ)'
 
-version-def.h: version-def.h.in GIT-VERSION-GEN GIT-VERSION-FILE GIT-USER-AGENT
+version-def.h: lib/version-def.h.in GIT-VERSION-GEN GIT-VERSION-FILE GIT-USER-AGENT
 	$(QUIET_GEN)$(call version_gen,"$(shell pwd)",$<,$@)
 
-version.sp version.s version.o: version-def.h
+lib/version.sp lib/version.s lib/version.o: version-def.h
 
 $(BUILT_INS): git$X
 	$(QUIET_BUILT_IN)$(RM) $@ && \
@@ -2881,7 +2881,7 @@ ifdef INCLUDE_LIBGIT_RS
 endif
 
 ifndef NO_CURL
-	OBJECTS += http.o http-walker.o remote-curl.o
+	OBJECTS += lib/http.o lib/http-walker.o remote-curl.o
 endif
 
 .PHONY: objects
@@ -2946,50 +2946,50 @@ compile_commands.json:
 	@if test -s $@+; then mv $@+ $@; else $(RM) $@+; fi
 endif
 
-exec-cmd.sp exec-cmd.s exec-cmd.o: GIT-PREFIX
-exec-cmd.sp exec-cmd.s exec-cmd.o: EXTRA_CPPFLAGS = \
+lib/exec-cmd.sp lib/exec-cmd.s lib/exec-cmd.o: GIT-PREFIX
+lib/exec-cmd.sp lib/exec-cmd.s lib/exec-cmd.o: EXTRA_CPPFLAGS = \
 	'-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
 	'-DGIT_LOCALE_PATH="$(localedir_relative_SQ)"' \
 	'-DBINDIR="$(bindir_relative_SQ)"' \
 	'-DFALLBACK_RUNTIME_PREFIX="$(prefix_SQ)"'
 
-setup.sp setup.s setup.o: GIT-PREFIX
-setup.sp setup.s setup.o: EXTRA_CPPFLAGS = \
+lib/setup.sp lib/setup.s lib/setup.o: GIT-PREFIX
+lib/setup.sp lib/setup.s lib/setup.o: EXTRA_CPPFLAGS = \
 	-DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"'
 
-config.sp config.s config.o: GIT-PREFIX
-config.sp config.s config.o: EXTRA_CPPFLAGS = \
+lib/config.sp lib/config.s lib/config.o: GIT-PREFIX
+lib/config.sp lib/config.s lib/config.o: EXTRA_CPPFLAGS = \
 	-DETC_GITCONFIG='"$(ETC_GITCONFIG_SQ)"'
 
-attr.sp attr.s attr.o: GIT-PREFIX
-attr.sp attr.s attr.o: EXTRA_CPPFLAGS = \
+lib/attr.sp lib/attr.s lib/attr.o: GIT-PREFIX
+lib/attr.sp lib/attr.s lib/attr.o: EXTRA_CPPFLAGS = \
 	-DETC_GITATTRIBUTES='"$(ETC_GITATTRIBUTES_SQ)"'
 
-gettext.sp gettext.s gettext.o: GIT-PREFIX
-gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
+lib/gettext.sp lib/gettext.s lib/gettext.o: GIT-PREFIX
+lib/gettext.sp lib/gettext.s lib/gettext.o: EXTRA_CPPFLAGS = \
 	-DGIT_LOCALE_PATH='"$(localedir_relative_SQ)"'
 
-http-push.sp http.sp http-walker.sp remote-curl.sp imap-send.sp: SP_EXTRA_FLAGS += \
+http-push.sp lib/http.sp lib/http-walker.sp remote-curl.sp imap-send.sp: SP_EXTRA_FLAGS += \
 	-DCURL_DISABLE_TYPECHECK
 
 pack-revindex.sp: SP_EXTRA_FLAGS += -Wno-memcpy-max-count
 
 ifdef NO_EXPAT
-http-walker.sp http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
+lib/http-walker.sp lib/http-walker.s lib/http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
 endif
 
 ifdef NO_REGEX
-compat/regex/regex.sp compat/regex/regex.o: EXTRA_CPPFLAGS = \
+lib/compat/regex/regex.sp lib/compat/regex/regex.o: EXTRA_CPPFLAGS = \
 	-DGAWK -DNO_MBSUPPORT
 endif
 
 ifdef USE_NED_ALLOCATOR
-compat/nedmalloc/nedmalloc.sp compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
+lib/compat/nedmalloc/nedmalloc.sp lib/compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
 	-DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR
-compat/nedmalloc/nedmalloc.sp: SP_EXTRA_FLAGS += -Wno-non-pointer-null
+lib/compat/nedmalloc/nedmalloc.sp: SP_EXTRA_FLAGS += -Wno-non-pointer-null
 endif
 
-headless-git.o: compat/win32/headless.c GIT-CFLAGS
+headless-git.o: lib/compat/win32/headless.c GIT-CFLAGS
 	$(QUIET_CC)$(CC) $(ALL_CFLAGS) $(COMPAT_CFLAGS) \
 		-fno-stack-protector -o $@ -c -Wall -Wwrite-strings $<
 
@@ -3003,10 +3003,10 @@ git-imap-send$X: imap-send.o $(IMAP_SEND_BUILDDEPS) GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(IMAP_SEND_LDFLAGS) $(LIBS)
 
-git-http-fetch$X: http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
+git-http-fetch$X: lib/http.o lib/http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(LIBS)
-git-http-push$X: http.o http-push.o GIT-LDFLAGS $(GITLIBS)
+git-http-push$X: lib/http.o http-push.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)
 
@@ -3016,7 +3016,7 @@ $(REMOTE_CURL_ALIASES): $(REMOTE_CURL_PRIMARY)
 	ln -s $< $@ 2>/dev/null || \
 	cp $< $@
 
-$(REMOTE_CURL_PRIMARY): remote-curl.o http.o http-walker.o GIT-LDFLAGS $(GITLIBS)
+$(REMOTE_CURL_PRIMARY): remote-curl.o lib/http.o lib/http-walker.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)
 
@@ -3180,8 +3180,8 @@ LOCALIZED_C_CORE += builtin/clone.c
 LOCALIZED_C_CORE += builtin/index-pack.c
 LOCALIZED_C_CORE += builtin/push.c
 LOCALIZED_C_CORE += builtin/reset.c
-LOCALIZED_C_CORE += remote.c
-LOCALIZED_C_CORE += wt-status.c
+LOCALIZED_C_CORE += lib/remote.c
+LOCALIZED_C_CORE += lib/wt-status.c
 
 LOCALIZED_C_CORE_GEN_PO = $(LOCALIZED_C_CORE:%=.build/pot/po/%.po)
 
@@ -3420,18 +3420,18 @@ $(SP_OBJ): %.sp: %.c %.o $(GENERATED_H)
 .PHONY: sparse
 sparse: $(SP_OBJ)
 
-EXCEPT_HDRS := $(GENERATED_H) unicode-width.h compat/% xdiff/% $(UNIT_TEST_DIR)/clar/% $(UNIT_TEST_DIR)/clar/clar/%
+EXCEPT_HDRS := $(GENERATED_H) lib/unicode-width.h lib/compat/% lib/xdiff/% $(UNIT_TEST_DIR)/clar/% $(UNIT_TEST_DIR)/clar/clar/%
 ifndef OPENSSL_SHA1
-	EXCEPT_HDRS += sha1/openssl.h
+	EXCEPT_HDRS += lib/sha1/openssl.h
 endif
 ifndef OPENSSL_SHA256
-	EXCEPT_HDRS += sha256/openssl.h
+	EXCEPT_HDRS += lib/sha256/openssl.h
 endif
 ifndef NETTLE_SHA256
-	EXCEPT_HDRS += sha256/nettle.h
+	EXCEPT_HDRS += lib/sha256/nettle.h
 endif
 ifndef GCRYPT_SHA256
-	EXCEPT_HDRS += sha256/gcrypt.h
+	EXCEPT_HDRS += lib/sha256/gcrypt.h
 endif
 CHK_HDRS = $(filter-out $(EXCEPT_HDRS),$(LIB_H))
 HCO = $(patsubst %.h,%.hco,$(CHK_HDRS))
@@ -3783,13 +3783,13 @@ GIT_ARCHIVE_EXTRA_FILES = \
 	--add-file=.dist-tmp-dir/git-gui/version
 ifdef DC_SHA1_SUBMODULE
 GIT_ARCHIVE_EXTRA_FILES += \
-	--prefix=$(GIT_TARNAME)/sha1collisiondetection/ \
-	--add-file=sha1collisiondetection/LICENSE.txt \
-	--prefix=$(GIT_TARNAME)/sha1collisiondetection/lib/ \
-	--add-file=sha1collisiondetection/lib/sha1.c \
-	--add-file=sha1collisiondetection/lib/sha1.h \
-	--add-file=sha1collisiondetection/lib/ubc_check.c \
-	--add-file=sha1collisiondetection/lib/ubc_check.h
+	--prefix=$(GIT_TARNAME)/lib/sha1collisiondetection/ \
+	--add-file=lib/sha1collisiondetection/LICENSE.txt \
+	--prefix=$(GIT_TARNAME)/lib/sha1collisiondetection/lib/ \
+	--add-file=lib/sha1collisiondetection/lib/sha1.c \
+	--add-file=lib/sha1collisiondetection/lib/sha1.h \
+	--add-file=lib/sha1collisiondetection/lib/ubc_check.c \
+	--add-file=lib/sha1collisiondetection/lib/ubc_check.h
 endif
 dist: git-archive$(X) configure
 	@$(RM) -r .dist-tmp-dir
@@ -3919,7 +3919,7 @@ ifdef MSVC
 	$(RM) $(patsubst %.exe,%.pdb,$(TEST_PROGRAMS))
 	$(RM) $(patsubst %.exe,%.iobj,$(TEST_PROGRAMS))
 	$(RM) $(patsubst %.exe,%.ipdb,$(TEST_PROGRAMS))
-	$(RM) compat/vcbuild/MSVC-DEFS-GEN
+	$(RM) lib/compat/vcbuild/MSVC-DEFS-GEN
 endif
 
 .PHONY: all install profile-clean cocciclean clean strip
diff --git a/config.mak.uname b/config.mak.uname
index 5feb582558..b9dd898e6d 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -21,17 +21,17 @@ ifdef MSVC
 
 	# Generate and include makefile variables that point to the
 	# currently installed set of MSVC command line tools.
-compat/vcbuild/MSVC-DEFS-GEN: compat/vcbuild/find_vs_env.bat
+lib/compat/vcbuild/MSVC-DEFS-GEN: lib/compat/vcbuild/find_vs_env.bat
 	@"$<" | tr '\\' / >"$@"
-include compat/vcbuild/MSVC-DEFS-GEN
+include lib/compat/vcbuild/MSVC-DEFS-GEN
 
 	# See if vcpkg and the vcpkg-build versions of the third-party
 	# libraries that we use are installed.  We include the result
 	# to get $(vcpkg_*) variables defined for the Makefile.
 ifeq (,$(SKIP_VCPKG))
-compat/vcbuild/VCPKG-DEFS: compat/vcbuild/vcpkg_install.bat
+lib/compat/vcbuild/VCPKG-DEFS: lib/compat/vcbuild/vcpkg_install.bat
 	@"$<"
-include compat/vcbuild/VCPKG-DEFS
+include lib/compat/vcbuild/VCPKG-DEFS
 endif
 endif
 
@@ -62,7 +62,7 @@ ifeq ($(uname_S),Linux)
 	HAVE_SYSINFO = YesPlease
 	PROCFS_EXECUTABLE_PATH = /proc/self/exe
 	HAVE_PLATFORM_PROCINFO = YesPlease
-	COMPAT_OBJS += compat/linux/procinfo.o
+	COMPAT_OBJS += lib/compat/linux/procinfo.o
 	# centos7/rhel7 provides gcc 4.8.5 and zlib 1.2.7.
         ifneq ($(findstring .el7.,$(uname_R)),)
 		BASIC_CFLAGS += -std=c99
@@ -141,7 +141,7 @@ ifeq ($(uname_S),Darwin)
 	NO_MEMMEM = YesPlease
 	USE_ST_TIMESPEC = YesPlease
 	HAVE_DEV_TTY = YesPlease
-	COMPAT_OBJS += compat/precompose_utf8.o
+	COMPAT_OBJS += lib/compat/precompose_utf8.o
 	BASIC_CFLAGS += -DPRECOMPOSE_UNICODE
 	BASIC_CFLAGS += -DPROTECT_HFS_DEFAULT=1
 	HAVE_BSD_SYSCTL = YesPlease
@@ -150,7 +150,7 @@ ifeq ($(uname_S),Darwin)
 	CSPRNG_METHOD = arc4random
 	USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS = YesPlease
 	HAVE_PLATFORM_PROCINFO = YesPlease
-	COMPAT_OBJS += compat/darwin/procinfo.o
+	COMPAT_OBJS += lib/compat/darwin/procinfo.o
 
         ifeq ($(uname_M),arm64)
 		HOMEBREW_PREFIX = /opt/homebrew
@@ -275,7 +275,7 @@ ifeq ($(uname_O),Cygwin)
 	UNRELIABLE_FSTAT = UnfortunatelyYes
 	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
 	MMAP_PREVENTS_DELETE = UnfortunatelyYes
-	COMPAT_OBJS += compat/win32/path-utils.o
+	COMPAT_OBJS += lib/compat/win32/path-utils.o
 	FREAD_READS_DIRECTORIES = UnfortunatelyYes
 endif
 ifeq ($(uname_S),FreeBSD)
@@ -507,17 +507,17 @@ ifeq (/mingw64,$(subst 32,64,$(subst clangarm,mingw,$(prefix))))
 	ETC_GITATTRIBUTES = ../etc/gitattributes
 endif
 
-	CC = compat/vcbuild/scripts/clink.pl
-	AR = compat/vcbuild/scripts/lib.pl
+	CC = lib/compat/vcbuild/scripts/clink.pl
+	AR = lib/compat/vcbuild/scripts/lib.pl
 	CFLAGS =
-	BASIC_CFLAGS = -nologo -I. -Icompat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
-	COMPAT_OBJS = compat/msvc.o compat/winansi.o \
-		compat/win32/flush.o \
-		compat/win32/path-utils.o \
-		compat/win32/pthread.o compat/win32/syslog.o \
-		compat/win32/trace2_win32_process_info.o \
-		compat/win32/dirent.o
-	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DDETECT_MSYS_TTY -DNOGDI -DHAVE_STRING_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
+	BASIC_CFLAGS = -nologo -I. -Ilib/compat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
+	COMPAT_OBJS = lib/compat/msvc.o lib/compat/winansi.o \
+		lib/compat/win32/flush.o \
+		lib/compat/win32/path-utils.o \
+		lib/compat/win32/pthread.o lib/compat/win32/syslog.o \
+		lib/compat/win32/trace2_win32_process_info.o \
+		lib/compat/win32/dirent.o
+	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DDETECT_MSYS_TTY -DNOGDI -DHAVE_STRING_H -Ilib/compat -Ilib/compat/regex -Ilib/compat/win32 -DSTRIP_EXTENSION=\".exe\"
 	BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -ENTRY:wmainCRTStartup -SUBSYSTEM:CONSOLE
 	# invalidcontinue.obj allows Git's source code to close the same file
 	# handle twice, or to access the osfhandle of an already-closed stdout
@@ -557,7 +557,7 @@ endif
 
 	EXTRA_PROGRAMS += headless-git$X
 
-compat/msvc.o: compat/msvc.c compat/mingw.c GIT-CFLAGS
+lib/compat/msvc.o: lib/compat/msvc.c lib/compat/mingw.c GIT-CFLAGS
 endif
 ifeq ($(uname_S),Interix)
 	NO_INITGROUPS = YesPlease
@@ -708,14 +708,14 @@ ifeq ($(uname_S),MINGW)
 	HAVE_PLATFORM_PROCINFO = YesPlease
 	CSPRNG_METHOD = rtlgenrandom
 	BASIC_LDFLAGS += -municode
-	COMPAT_CFLAGS += -DNOGDI -Icompat -Icompat/win32
+	COMPAT_CFLAGS += -DNOGDI -Ilib/compat -Ilib/compat/win32
 	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
-	COMPAT_OBJS += compat/mingw.o compat/winansi.o \
-		compat/win32/trace2_win32_process_info.o \
-		compat/win32/flush.o \
-		compat/win32/path-utils.o \
-		compat/win32/pthread.o compat/win32/syslog.o \
-		compat/win32/dirent.o
+	COMPAT_OBJS += lib/compat/mingw.o lib/compat/winansi.o \
+		lib/compat/win32/trace2_win32_process_info.o \
+		lib/compat/win32/flush.o \
+		lib/compat/win32/path-utils.o \
+		lib/compat/win32/pthread.o lib/compat/win32/syslog.o \
+		lib/compat/win32/dirent.o
 	BASIC_CFLAGS += -DWIN32
 	EXTLIBS += -lws2_32
 	GITLIBS += git.res
diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
index 81b4306e72..2cc7d41657 100644
--- a/contrib/buildsystems/CMakeLists.txt
+++ b/contrib/buildsystems/CMakeLists.txt
@@ -62,10 +62,10 @@ if(NOT DEFINED CMAKE_EXPORT_COMPILE_COMMANDS)
 endif()
 
 if(USE_VCPKG)
-	set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg")
+	set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg")
 	if(NOT EXISTS ${VCPKG_DIR})
 		message("Initializing vcpkg and building the Git's dependencies (this will take a while...)")
-		execute_process(COMMAND ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg_install.bat)
+		execute_process(COMMAND ${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg_install.bat)
 	endif()
 	list(APPEND CMAKE_PREFIX_PATH "${VCPKG_DIR}/installed/x64-windows")
 
@@ -194,7 +194,7 @@ else()
 	find_program(MSGFMT_EXE msgfmt)
 	if(NOT MSGFMT_EXE)
 		if(USE_VCPKG)
-			set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe)
+			set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe)
 		endif()
 		if(NOT EXISTS ${MSGFMT_EXE})
 			message(WARNING "Text Translations won't be built")
@@ -212,13 +212,14 @@ endif()
 
 #default behaviour
 include_directories(${CMAKE_SOURCE_DIR})
+include_directories(${CMAKE_SOURCE_DIR}/lib)
 add_compile_definitions(GIT_HOST_CPU="${CMAKE_SYSTEM_PROCESSOR}")
 add_compile_definitions(SHA256_BLK INTERNAL_QSORT RUNTIME_PREFIX)
 add_compile_definitions(NO_OPENSSL SHA1_DC SHA1DC_NO_STANDARD_INCLUDES
 			SHA1DC_INIT_SAFE_HASH_DEFAULT=0
 			SHA1DC_CUSTOM_INCLUDE_SHA1_C="git-compat-util.h"
 			SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="git-compat-util.h" )
-list(APPEND compat_SOURCES sha1dc_git.c sha1dc/sha1.c sha1dc/ubc_check.c block-sha1/sha1.c sha256/block/sha256.c compat/qsort_s.c)
+list(APPEND compat_SOURCES lib/sha1dc_git.c lib/sha1dc/sha1.c lib/sha1dc/ubc_check.c lib/block-sha1/sha1.c lib/sha256/block/sha256.c lib/compat/qsort_s.c)
 
 
 add_compile_definitions(PAGER_ENV="LESS=FRX LV=-c"
@@ -248,44 +249,44 @@ endif()
 #Platform Specific
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
 	if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
-		include_directories(${CMAKE_SOURCE_DIR}/compat/vcbuild/include)
+		include_directories(${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/include)
 		add_compile_definitions(_CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE)
 	endif()
-	include_directories(${CMAKE_SOURCE_DIR}/compat/win32)
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/win32)
 	add_compile_definitions(HAVE_ALLOCA_H NO_POSIX_GOODIES NATIVE_CRLF NO_UNIX_SOCKETS WIN32
 				_CONSOLE DETECT_MSYS_TTY STRIP_EXTENSION=".exe"  NO_SYMLINK_HEAD UNRELIABLE_FSTAT
 				NOGDI OBJECT_CREATION_MODE=1 __USE_MINGW_ANSI_STDIO=0
 				USE_NED_ALLOCATOR OVERRIDE_STRDUP MMAP_PREVENTS_DELETE USE_WIN32_MMAP
 				HAVE_WPGMPTR ENSURE_MSYSTEM_IS_SET HAVE_RTLGENRANDOM)
 	list(APPEND compat_SOURCES
-		compat/mingw.c
-		compat/winansi.c
-		compat/win32/flush.c
-		compat/win32/path-utils.c
-		compat/win32/pthread.c
-		compat/win32mmap.c
-		compat/win32/syslog.c
-		compat/win32/trace2_win32_process_info.c
-		compat/win32/dirent.c
-		compat/nedmalloc/nedmalloc.c
-		compat/strdup.c)
+		lib/compat/mingw.c
+		lib/compat/winansi.c
+		lib/compat/win32/flush.c
+		lib/compat/win32/path-utils.c
+		lib/compat/win32/pthread.c
+		lib/compat/win32mmap.c
+		lib/compat/win32/syslog.c
+		lib/compat/win32/trace2_win32_process_info.c
+		lib/compat/win32/dirent.c
+		lib/compat/nedmalloc/nedmalloc.c
+		lib/compat/strdup.c)
 	set(NO_UNIX_SOCKETS 1)
 
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 	add_compile_definitions(PROCFS_EXECUTABLE_PATH="/proc/self/exe" HAVE_DEV_TTY )
-	list(APPEND compat_SOURCES unix-socket.c unix-stream-server.c compat/linux/procinfo.c)
+	list(APPEND compat_SOURCES lib/unix-socket.c lib/unix-stream-server.c lib/compat/linux/procinfo.c)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-	list(APPEND compat_SOURCES compat/darwin/procinfo.c)
+	list(APPEND compat_SOURCES lib/compat/darwin/procinfo.c)
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-	list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-win32.c)
+	list(APPEND compat_SOURCES lib/compat/simple-ipc/ipc-shared.c lib/compat/simple-ipc/ipc-win32.c)
 	add_compile_definitions(SUPPORTS_SIMPLE_IPC)
 	set(SUPPORTS_SIMPLE_IPC 1)
 else()
 	# Simple IPC requires both Unix sockets and pthreads on Unix-based systems.
 	if(NOT NO_UNIX_SOCKETS AND NOT NO_PTHREADS)
-		list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-unix-socket.c)
+		list(APPEND compat_SOURCES lib/compat/simple-ipc/ipc-shared.c lib/compat/simple-ipc/ipc-unix-socket.c)
 		add_compile_definitions(SUPPORTS_SIMPLE_IPC)
 		set(SUPPORTS_SIMPLE_IPC 1)
 	endif()
@@ -294,22 +295,22 @@ endif()
 if(SUPPORTS_SIMPLE_IPC)
 	if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
 		add_compile_definitions(HAVE_FSMONITOR_DAEMON_BACKEND)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-listen-win32.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-health-win32.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-ipc-win32.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-path-utils-win32.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-listen-win32.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-health-win32.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-ipc-win32.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-path-utils-win32.c)
 
 		add_compile_definitions(HAVE_FSMONITOR_OS_SETTINGS)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-settings-win32.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-settings-win32.c)
 	elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 		add_compile_definitions(HAVE_FSMONITOR_DAEMON_BACKEND)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-listen-darwin.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-health-darwin.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-ipc-darwin.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-path-utils-darwin.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-listen-darwin.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-health-darwin.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-ipc-darwin.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-path-utils-darwin.c)
 
 		add_compile_definitions(HAVE_FSMONITOR_OS_SETTINGS)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-settings-darwin.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-settings-darwin.c)
 	endif()
 endif()
 
@@ -319,7 +320,7 @@ set(EXE_EXTENSION ${CMAKE_EXECUTABLE_SUFFIX})
 check_include_file(libgen.h HAVE_LIBGEN_H)
 if(NOT HAVE_LIBGEN_H)
 	add_compile_definitions(NO_LIBGEN_H)
-	list(APPEND compat_SOURCES compat/basename.c)
+	list(APPEND compat_SOURCES lib/compat/basename.c)
 endif()
 
 check_include_file(sys/sysinfo.h HAVE_SYSINFO)
@@ -392,42 +393,42 @@ foreach(f ${function_checks})
 endforeach()
 
 if(NOT HAVE_POLL_H OR NOT HAVE_SYS_POLL_H OR NOT HAVE_POLL)
-	include_directories(${CMAKE_SOURCE_DIR}/compat/poll)
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/poll)
 	add_compile_definitions(NO_POLL)
-	list(APPEND compat_SOURCES compat/poll/poll.c)
+	list(APPEND compat_SOURCES lib/compat/poll/poll.c)
 endif()
 
 if(NOT HAVE_STRCASESTR)
-	list(APPEND compat_SOURCES compat/strcasestr.c)
+	list(APPEND compat_SOURCES lib/compat/strcasestr.c)
 endif()
 
 if(NOT HAVE_STRLCPY)
-	list(APPEND compat_SOURCES compat/strlcpy.c)
+	list(APPEND compat_SOURCES lib/compat/strlcpy.c)
 endif()
 
 if(NOT HAVE_STRTOUMAX)
-	list(APPEND compat_SOURCES compat/strtoumax.c compat/strtoimax.c)
+	list(APPEND compat_SOURCES lib/compat/strtoumax.c lib/compat/strtoimax.c)
 endif()
 
 if(NOT HAVE_SETENV)
-	list(APPEND compat_SOURCES compat/setenv.c)
+	list(APPEND compat_SOURCES lib/compat/setenv.c)
 endif()
 
 if(NOT HAVE_PREAD)
-	list(APPEND compat_SOURCES compat/pread.c)
+	list(APPEND compat_SOURCES lib/compat/pread.c)
 endif()
 
 if(NOT HAVE_MEMMEM)
-	list(APPEND compat_SOURCES compat/memmem.c)
+	list(APPEND compat_SOURCES lib/compat/memmem.c)
 endif()
 
 if(NOT WIN32)
 	if(NOT HAVE_UNSETENV)
-		list(APPEND compat_SOURCES compat/unsetenv.c)
+		list(APPEND compat_SOURCES lib/compat/unsetenv.c)
 	endif()
 
 	if(NOT HAVE_HSTRERROR)
-		list(APPEND compat_SOURCES compat/hstrerror.c)
+		list(APPEND compat_SOURCES lib/compat/hstrerror.c)
 	endif()
 endif()
 
@@ -484,7 +485,7 @@ int main(void)
 SNPRINTF_OK)
 if(NOT SNPRINTF_OK)
 	add_compile_definitions(SNPRINTF_RETURNS_BOGUS)
-	list(APPEND compat_SOURCES compat/snprintf.c)
+	list(APPEND compat_SOURCES lib/compat/snprintf.c)
 endif()
 
 check_c_source_runs("
@@ -499,7 +500,7 @@ int main(void)
 FREAD_READS_DIRECTORIES_NO)
 if(NOT FREAD_READS_DIRECTORIES_NO)
 	add_compile_definitions(FREAD_READS_DIRECTORIES)
-	list(APPEND compat_SOURCES compat/fopen.c)
+	list(APPEND compat_SOURCES lib/compat/fopen.c)
 endif()
 
 check_c_source_compiles("
@@ -514,8 +515,8 @@ int main(void)
 }"
 HAVE_REGEX)
 if(NOT HAVE_REGEX)
-	include_directories(${CMAKE_SOURCE_DIR}/compat/regex)
-	list(APPEND compat_SOURCES compat/regex/regex.c )
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/regex)
+	list(APPEND compat_SOURCES lib/compat/regex/regex.c )
 	add_compile_definitions(NO_REGEX NO_MBSUPPORT GAWK)
 endif()
 
@@ -668,10 +669,10 @@ list(TRANSFORM compat_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
 add_custom_command(OUTPUT "${CMAKE_BINARY_DIR}/version-def.h"
 	COMMAND "${SH_EXE}" "${CMAKE_SOURCE_DIR}/GIT-VERSION-GEN"
 		"${CMAKE_SOURCE_DIR}"
-		"${CMAKE_SOURCE_DIR}/version-def.h.in"
+		"${CMAKE_SOURCE_DIR}/lib/version-def.h.in"
 		"${CMAKE_BINARY_DIR}/version-def.h"
 	DEPENDS "${SH_EXE}" "${CMAKE_SOURCE_DIR}/GIT-VERSION-GEN"
-		"${CMAKE_SOURCE_DIR}/version-def.h.in"
+		"${CMAKE_SOURCE_DIR}/lib/version-def.h.in"
 	VERBATIM)
 list(APPEND libgit_SOURCES "${CMAKE_BINARY_DIR}/version-def.h")
 
@@ -730,7 +731,7 @@ if(WIN32)
 		message(FATAL_ERROR "Unhandled compiler: ${CMAKE_C_COMPILER_ID}")
 	endif()
 
-	add_executable(headless-git ${CMAKE_SOURCE_DIR}/compat/win32/headless.c)
+	add_executable(headless-git ${CMAKE_SOURCE_DIR}/lib/compat/win32/headless.c)
 	if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
 		target_link_options(headless-git PUBLIC -municode -Wl,-subsystem,windows)
 	elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
@@ -765,15 +766,15 @@ add_executable(scalar ${CMAKE_SOURCE_DIR}/scalar.c)
 target_link_libraries(scalar common-main)
 
 if(CURL_FOUND)
-	add_library(http_obj OBJECT ${CMAKE_SOURCE_DIR}/http.c)
+	add_library(http_obj OBJECT ${CMAKE_SOURCE_DIR}/lib/http.c)
 
 	add_executable(git-imap-send ${CMAKE_SOURCE_DIR}/imap-send.c)
 	target_link_libraries(git-imap-send http_obj common-main ${CURL_LIBRARIES})
 
-	add_executable(git-http-fetch ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/http-fetch.c)
+	add_executable(git-http-fetch ${CMAKE_SOURCE_DIR}/lib/http-walker.c ${CMAKE_SOURCE_DIR}/http-fetch.c)
 	target_link_libraries(git-http-fetch http_obj common-main ${CURL_LIBRARIES})
 
-	add_executable(git-remote-http ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/remote-curl.c)
+	add_executable(git-remote-http ${CMAKE_SOURCE_DIR}/lib/http-walker.c ${CMAKE_SOURCE_DIR}/remote-curl.c)
 	target_link_libraries(git-remote-http http_obj common-main ${CURL_LIBRARIES} )
 
 	if(EXPAT_FOUND)
@@ -1199,7 +1200,7 @@ string(REPLACE "@USE_LIBPCRE2@" "" git_build_options "${git_build_options}")
 string(REPLACE "@WITH_BREAKING_CHANGES@" "" git_build_options "${git_build_options}")
 string(REPLACE "@X@" "${EXE_EXTENSION}" git_build_options "${git_build_options}")
 if(USE_VCPKG)
-	string(APPEND git_build_options "PATH=\"$PATH:$TEST_DIRECTORY/../compat/vcbuild/vcpkg/installed/x64-windows/bin\"\n")
+	string(APPEND git_build_options "PATH=\"$PATH:$TEST_DIRECTORY/../lib/compat/vcbuild/vcpkg/installed/x64-windows/bin\"\n")
 endif()
 file(WRITE ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS ${git_build_options})
 
diff --git a/git.rc.in b/git.rc.in
index e69444eef3..87cdefd50b 100644
--- a/git.rc.in
+++ b/git.rc.in
@@ -21,4 +21,4 @@ BEGIN
   END
 END
 
-1 RT_MANIFEST "compat/win32/git.manifest"
+1 RT_MANIFEST "lib/compat/win32/git.manifest"
diff --git a/abspath.c b/lib/abspath.c
similarity index 100%
rename from abspath.c
rename to lib/abspath.c
diff --git a/abspath.h b/lib/abspath.h
similarity index 100%
rename from abspath.h
rename to lib/abspath.h
diff --git a/add-interactive.c b/lib/add-interactive.c
similarity index 100%
rename from add-interactive.c
rename to lib/add-interactive.c
diff --git a/add-interactive.h b/lib/add-interactive.h
similarity index 100%
rename from add-interactive.h
rename to lib/add-interactive.h
diff --git a/add-patch.c b/lib/add-patch.c
similarity index 100%
rename from add-patch.c
rename to lib/add-patch.c
diff --git a/add-patch.h b/lib/add-patch.h
similarity index 100%
rename from add-patch.h
rename to lib/add-patch.h
diff --git a/advice.c b/lib/advice.c
similarity index 100%
rename from advice.c
rename to lib/advice.c
diff --git a/advice.h b/lib/advice.h
similarity index 100%
rename from advice.h
rename to lib/advice.h
diff --git a/alias.c b/lib/alias.c
similarity index 100%
rename from alias.c
rename to lib/alias.c
diff --git a/alias.h b/lib/alias.h
similarity index 100%
rename from alias.h
rename to lib/alias.h
diff --git a/alloc.c b/lib/alloc.c
similarity index 100%
rename from alloc.c
rename to lib/alloc.c
diff --git a/alloc.h b/lib/alloc.h
similarity index 100%
rename from alloc.h
rename to lib/alloc.h
diff --git a/apply.c b/lib/apply.c
similarity index 100%
rename from apply.c
rename to lib/apply.c
diff --git a/apply.h b/lib/apply.h
similarity index 100%
rename from apply.h
rename to lib/apply.h
diff --git a/archive-tar.c b/lib/archive-tar.c
similarity index 100%
rename from archive-tar.c
rename to lib/archive-tar.c
diff --git a/archive-zip.c b/lib/archive-zip.c
similarity index 100%
rename from archive-zip.c
rename to lib/archive-zip.c
diff --git a/archive.c b/lib/archive.c
similarity index 100%
rename from archive.c
rename to lib/archive.c
diff --git a/archive.h b/lib/archive.h
similarity index 100%
rename from archive.h
rename to lib/archive.h
diff --git a/attr.c b/lib/attr.c
similarity index 100%
rename from attr.c
rename to lib/attr.c
diff --git a/attr.h b/lib/attr.h
similarity index 100%
rename from attr.h
rename to lib/attr.h
diff --git a/banned.h b/lib/banned.h
similarity index 100%
rename from banned.h
rename to lib/banned.h
diff --git a/base85.c b/lib/base85.c
similarity index 100%
rename from base85.c
rename to lib/base85.c
diff --git a/base85.h b/lib/base85.h
similarity index 100%
rename from base85.h
rename to lib/base85.h
diff --git a/bisect.c b/lib/bisect.c
similarity index 100%
rename from bisect.c
rename to lib/bisect.c
diff --git a/bisect.h b/lib/bisect.h
similarity index 100%
rename from bisect.h
rename to lib/bisect.h
diff --git a/blame.c b/lib/blame.c
similarity index 100%
rename from blame.c
rename to lib/blame.c
diff --git a/blame.h b/lib/blame.h
similarity index 100%
rename from blame.h
rename to lib/blame.h
diff --git a/blob.c b/lib/blob.c
similarity index 100%
rename from blob.c
rename to lib/blob.c
diff --git a/blob.h b/lib/blob.h
similarity index 100%
rename from blob.h
rename to lib/blob.h
diff --git a/block-sha1/sha1.c b/lib/block-sha1/sha1.c
similarity index 100%
rename from block-sha1/sha1.c
rename to lib/block-sha1/sha1.c
diff --git a/block-sha1/sha1.h b/lib/block-sha1/sha1.h
similarity index 100%
rename from block-sha1/sha1.h
rename to lib/block-sha1/sha1.h
diff --git a/bloom.c b/lib/bloom.c
similarity index 100%
rename from bloom.c
rename to lib/bloom.c
diff --git a/bloom.h b/lib/bloom.h
similarity index 100%
rename from bloom.h
rename to lib/bloom.h
diff --git a/branch.c b/lib/branch.c
similarity index 100%
rename from branch.c
rename to lib/branch.c
diff --git a/branch.h b/lib/branch.h
similarity index 100%
rename from branch.h
rename to lib/branch.h
diff --git a/builtin.h b/lib/builtin.h
similarity index 100%
rename from builtin.h
rename to lib/builtin.h
diff --git a/bundle-uri.c b/lib/bundle-uri.c
similarity index 100%
rename from bundle-uri.c
rename to lib/bundle-uri.c
diff --git a/bundle-uri.h b/lib/bundle-uri.h
similarity index 100%
rename from bundle-uri.h
rename to lib/bundle-uri.h
diff --git a/bundle.c b/lib/bundle.c
similarity index 100%
rename from bundle.c
rename to lib/bundle.c
diff --git a/bundle.h b/lib/bundle.h
similarity index 100%
rename from bundle.h
rename to lib/bundle.h
diff --git a/cache-tree.c b/lib/cache-tree.c
similarity index 100%
rename from cache-tree.c
rename to lib/cache-tree.c
diff --git a/cache-tree.h b/lib/cache-tree.h
similarity index 100%
rename from cache-tree.h
rename to lib/cache-tree.h
diff --git a/cbtree.c b/lib/cbtree.c
similarity index 100%
rename from cbtree.c
rename to lib/cbtree.c
diff --git a/cbtree.h b/lib/cbtree.h
similarity index 100%
rename from cbtree.h
rename to lib/cbtree.h
diff --git a/chdir-notify.c b/lib/chdir-notify.c
similarity index 100%
rename from chdir-notify.c
rename to lib/chdir-notify.c
diff --git a/chdir-notify.h b/lib/chdir-notify.h
similarity index 100%
rename from chdir-notify.h
rename to lib/chdir-notify.h
diff --git a/checkout.c b/lib/checkout.c
similarity index 100%
rename from checkout.c
rename to lib/checkout.c
diff --git a/checkout.h b/lib/checkout.h
similarity index 100%
rename from checkout.h
rename to lib/checkout.h
diff --git a/chunk-format.c b/lib/chunk-format.c
similarity index 100%
rename from chunk-format.c
rename to lib/chunk-format.c
diff --git a/chunk-format.h b/lib/chunk-format.h
similarity index 100%
rename from chunk-format.h
rename to lib/chunk-format.h
diff --git a/color.c b/lib/color.c
similarity index 100%
rename from color.c
rename to lib/color.c
diff --git a/color.h b/lib/color.h
similarity index 100%
rename from color.h
rename to lib/color.h
diff --git a/column.c b/lib/column.c
similarity index 100%
rename from column.c
rename to lib/column.c
diff --git a/column.h b/lib/column.h
similarity index 100%
rename from column.h
rename to lib/column.h
diff --git a/combine-diff.c b/lib/combine-diff.c
similarity index 100%
rename from combine-diff.c
rename to lib/combine-diff.c
diff --git a/commit-graph.c b/lib/commit-graph.c
similarity index 100%
rename from commit-graph.c
rename to lib/commit-graph.c
diff --git a/commit-graph.h b/lib/commit-graph.h
similarity index 100%
rename from commit-graph.h
rename to lib/commit-graph.h
diff --git a/commit-reach.c b/lib/commit-reach.c
similarity index 100%
rename from commit-reach.c
rename to lib/commit-reach.c
diff --git a/commit-reach.h b/lib/commit-reach.h
similarity index 100%
rename from commit-reach.h
rename to lib/commit-reach.h
diff --git a/commit-slab-decl.h b/lib/commit-slab-decl.h
similarity index 100%
rename from commit-slab-decl.h
rename to lib/commit-slab-decl.h
diff --git a/commit-slab-impl.h b/lib/commit-slab-impl.h
similarity index 100%
rename from commit-slab-impl.h
rename to lib/commit-slab-impl.h
diff --git a/commit-slab.h b/lib/commit-slab.h
similarity index 100%
rename from commit-slab.h
rename to lib/commit-slab.h
diff --git a/commit.c b/lib/commit.c
similarity index 100%
rename from commit.c
rename to lib/commit.c
diff --git a/commit.h b/lib/commit.h
similarity index 100%
rename from commit.h
rename to lib/commit.h
diff --git a/common-exit.c b/lib/common-exit.c
similarity index 100%
rename from common-exit.c
rename to lib/common-exit.c
diff --git a/common-init.c b/lib/common-init.c
similarity index 100%
rename from common-init.c
rename to lib/common-init.c
diff --git a/common-init.h b/lib/common-init.h
similarity index 100%
rename from common-init.h
rename to lib/common-init.h
diff --git a/compat/.gitattributes b/lib/compat/.gitattributes
similarity index 100%
rename from compat/.gitattributes
rename to lib/compat/.gitattributes
diff --git a/compat/access.c b/lib/compat/access.c
similarity index 100%
rename from compat/access.c
rename to lib/compat/access.c
diff --git a/compat/apple-common-crypto.h b/lib/compat/apple-common-crypto.h
similarity index 100%
rename from compat/apple-common-crypto.h
rename to lib/compat/apple-common-crypto.h
diff --git a/compat/basename.c b/lib/compat/basename.c
similarity index 100%
rename from compat/basename.c
rename to lib/compat/basename.c
diff --git a/compat/bswap.h b/lib/compat/bswap.h
similarity index 100%
rename from compat/bswap.h
rename to lib/compat/bswap.h
diff --git a/compat/compiler.h b/lib/compat/compiler.h
similarity index 100%
rename from compat/compiler.h
rename to lib/compat/compiler.h
diff --git a/compat/darwin/procinfo.c b/lib/compat/darwin/procinfo.c
similarity index 100%
rename from compat/darwin/procinfo.c
rename to lib/compat/darwin/procinfo.c
diff --git a/compat/disk.h b/lib/compat/disk.h
similarity index 100%
rename from compat/disk.h
rename to lib/compat/disk.h
diff --git a/compat/fileno.c b/lib/compat/fileno.c
similarity index 100%
rename from compat/fileno.c
rename to lib/compat/fileno.c
diff --git a/compat/fopen.c b/lib/compat/fopen.c
similarity index 100%
rename from compat/fopen.c
rename to lib/compat/fopen.c
diff --git a/compat/fsmonitor/fsm-darwin-gcc.h b/lib/compat/fsmonitor/fsm-darwin-gcc.h
similarity index 100%
rename from compat/fsmonitor/fsm-darwin-gcc.h
rename to lib/compat/fsmonitor/fsm-darwin-gcc.h
diff --git a/compat/fsmonitor/fsm-health-darwin.c b/lib/compat/fsmonitor/fsm-health-darwin.c
similarity index 100%
rename from compat/fsmonitor/fsm-health-darwin.c
rename to lib/compat/fsmonitor/fsm-health-darwin.c
diff --git a/compat/fsmonitor/fsm-health-win32.c b/lib/compat/fsmonitor/fsm-health-win32.c
similarity index 100%
rename from compat/fsmonitor/fsm-health-win32.c
rename to lib/compat/fsmonitor/fsm-health-win32.c
diff --git a/compat/fsmonitor/fsm-health.h b/lib/compat/fsmonitor/fsm-health.h
similarity index 100%
rename from compat/fsmonitor/fsm-health.h
rename to lib/compat/fsmonitor/fsm-health.h
diff --git a/compat/fsmonitor/fsm-ipc-darwin.c b/lib/compat/fsmonitor/fsm-ipc-darwin.c
similarity index 100%
rename from compat/fsmonitor/fsm-ipc-darwin.c
rename to lib/compat/fsmonitor/fsm-ipc-darwin.c
diff --git a/compat/fsmonitor/fsm-ipc-win32.c b/lib/compat/fsmonitor/fsm-ipc-win32.c
similarity index 100%
rename from compat/fsmonitor/fsm-ipc-win32.c
rename to lib/compat/fsmonitor/fsm-ipc-win32.c
diff --git a/compat/fsmonitor/fsm-listen-darwin.c b/lib/compat/fsmonitor/fsm-listen-darwin.c
similarity index 100%
rename from compat/fsmonitor/fsm-listen-darwin.c
rename to lib/compat/fsmonitor/fsm-listen-darwin.c
diff --git a/compat/fsmonitor/fsm-listen-win32.c b/lib/compat/fsmonitor/fsm-listen-win32.c
similarity index 100%
rename from compat/fsmonitor/fsm-listen-win32.c
rename to lib/compat/fsmonitor/fsm-listen-win32.c
diff --git a/compat/fsmonitor/fsm-listen.h b/lib/compat/fsmonitor/fsm-listen.h
similarity index 100%
rename from compat/fsmonitor/fsm-listen.h
rename to lib/compat/fsmonitor/fsm-listen.h
diff --git a/compat/fsmonitor/fsm-path-utils-darwin.c b/lib/compat/fsmonitor/fsm-path-utils-darwin.c
similarity index 100%
rename from compat/fsmonitor/fsm-path-utils-darwin.c
rename to lib/compat/fsmonitor/fsm-path-utils-darwin.c
diff --git a/compat/fsmonitor/fsm-path-utils-win32.c b/lib/compat/fsmonitor/fsm-path-utils-win32.c
similarity index 100%
rename from compat/fsmonitor/fsm-path-utils-win32.c
rename to lib/compat/fsmonitor/fsm-path-utils-win32.c
diff --git a/compat/fsmonitor/fsm-settings-darwin.c b/lib/compat/fsmonitor/fsm-settings-darwin.c
similarity index 100%
rename from compat/fsmonitor/fsm-settings-darwin.c
rename to lib/compat/fsmonitor/fsm-settings-darwin.c
diff --git a/compat/fsmonitor/fsm-settings-win32.c b/lib/compat/fsmonitor/fsm-settings-win32.c
similarity index 100%
rename from compat/fsmonitor/fsm-settings-win32.c
rename to lib/compat/fsmonitor/fsm-settings-win32.c
diff --git a/compat/hstrerror.c b/lib/compat/hstrerror.c
similarity index 100%
rename from compat/hstrerror.c
rename to lib/compat/hstrerror.c
diff --git a/compat/inet_ntop.c b/lib/compat/inet_ntop.c
similarity index 100%
rename from compat/inet_ntop.c
rename to lib/compat/inet_ntop.c
diff --git a/compat/inet_pton.c b/lib/compat/inet_pton.c
similarity index 100%
rename from compat/inet_pton.c
rename to lib/compat/inet_pton.c
diff --git a/compat/linux/procinfo.c b/lib/compat/linux/procinfo.c
similarity index 100%
rename from compat/linux/procinfo.c
rename to lib/compat/linux/procinfo.c
diff --git a/compat/memmem.c b/lib/compat/memmem.c
similarity index 100%
rename from compat/memmem.c
rename to lib/compat/memmem.c
diff --git a/compat/mingw-posix.h b/lib/compat/mingw-posix.h
similarity index 100%
rename from compat/mingw-posix.h
rename to lib/compat/mingw-posix.h
diff --git a/compat/mingw.c b/lib/compat/mingw.c
similarity index 100%
rename from compat/mingw.c
rename to lib/compat/mingw.c
diff --git a/compat/mingw.h b/lib/compat/mingw.h
similarity index 100%
rename from compat/mingw.h
rename to lib/compat/mingw.h
diff --git a/compat/mkdir.c b/lib/compat/mkdir.c
similarity index 100%
rename from compat/mkdir.c
rename to lib/compat/mkdir.c
diff --git a/compat/mmap.c b/lib/compat/mmap.c
similarity index 100%
rename from compat/mmap.c
rename to lib/compat/mmap.c
diff --git a/compat/msvc-posix.h b/lib/compat/msvc-posix.h
similarity index 100%
rename from compat/msvc-posix.h
rename to lib/compat/msvc-posix.h
diff --git a/compat/msvc.c b/lib/compat/msvc.c
similarity index 100%
rename from compat/msvc.c
rename to lib/compat/msvc.c
diff --git a/compat/msvc.h b/lib/compat/msvc.h
similarity index 100%
rename from compat/msvc.h
rename to lib/compat/msvc.h
diff --git a/compat/nedmalloc/License.txt b/lib/compat/nedmalloc/License.txt
similarity index 100%
rename from compat/nedmalloc/License.txt
rename to lib/compat/nedmalloc/License.txt
diff --git a/compat/nedmalloc/Readme.txt b/lib/compat/nedmalloc/Readme.txt
similarity index 100%
rename from compat/nedmalloc/Readme.txt
rename to lib/compat/nedmalloc/Readme.txt
diff --git a/compat/nedmalloc/malloc.c.h b/lib/compat/nedmalloc/malloc.c.h
similarity index 100%
rename from compat/nedmalloc/malloc.c.h
rename to lib/compat/nedmalloc/malloc.c.h
diff --git a/compat/nedmalloc/nedmalloc.c b/lib/compat/nedmalloc/nedmalloc.c
similarity index 100%
rename from compat/nedmalloc/nedmalloc.c
rename to lib/compat/nedmalloc/nedmalloc.c
diff --git a/compat/nedmalloc/nedmalloc.h b/lib/compat/nedmalloc/nedmalloc.h
similarity index 100%
rename from compat/nedmalloc/nedmalloc.h
rename to lib/compat/nedmalloc/nedmalloc.h
diff --git a/compat/nonblock.c b/lib/compat/nonblock.c
similarity index 100%
rename from compat/nonblock.c
rename to lib/compat/nonblock.c
diff --git a/compat/nonblock.h b/lib/compat/nonblock.h
similarity index 100%
rename from compat/nonblock.h
rename to lib/compat/nonblock.h
diff --git a/compat/obstack.c b/lib/compat/obstack.c
similarity index 100%
rename from compat/obstack.c
rename to lib/compat/obstack.c
diff --git a/compat/obstack.h b/lib/compat/obstack.h
similarity index 100%
rename from compat/obstack.h
rename to lib/compat/obstack.h
diff --git a/compat/open.c b/lib/compat/open.c
similarity index 100%
rename from compat/open.c
rename to lib/compat/open.c
diff --git a/compat/poll/poll.c b/lib/compat/poll/poll.c
similarity index 100%
rename from compat/poll/poll.c
rename to lib/compat/poll/poll.c
diff --git a/compat/poll/poll.h b/lib/compat/poll/poll.h
similarity index 100%
rename from compat/poll/poll.h
rename to lib/compat/poll/poll.h
diff --git a/compat/posix.h b/lib/compat/posix.h
similarity index 100%
rename from compat/posix.h
rename to lib/compat/posix.h
diff --git a/compat/pread.c b/lib/compat/pread.c
similarity index 100%
rename from compat/pread.c
rename to lib/compat/pread.c
diff --git a/compat/precompose_utf8.c b/lib/compat/precompose_utf8.c
similarity index 100%
rename from compat/precompose_utf8.c
rename to lib/compat/precompose_utf8.c
diff --git a/compat/precompose_utf8.h b/lib/compat/precompose_utf8.h
similarity index 100%
rename from compat/precompose_utf8.h
rename to lib/compat/precompose_utf8.h
diff --git a/compat/qsort_s.c b/lib/compat/qsort_s.c
similarity index 100%
rename from compat/qsort_s.c
rename to lib/compat/qsort_s.c
diff --git a/compat/regcomp_enhanced.c b/lib/compat/regcomp_enhanced.c
similarity index 100%
rename from compat/regcomp_enhanced.c
rename to lib/compat/regcomp_enhanced.c
diff --git a/compat/regex/regcomp.c b/lib/compat/regex/regcomp.c
similarity index 100%
rename from compat/regex/regcomp.c
rename to lib/compat/regex/regcomp.c
diff --git a/compat/regex/regex.c b/lib/compat/regex/regex.c
similarity index 100%
rename from compat/regex/regex.c
rename to lib/compat/regex/regex.c
diff --git a/compat/regex/regex.h b/lib/compat/regex/regex.h
similarity index 100%
rename from compat/regex/regex.h
rename to lib/compat/regex/regex.h
diff --git a/compat/regex/regex_internal.c b/lib/compat/regex/regex_internal.c
similarity index 100%
rename from compat/regex/regex_internal.c
rename to lib/compat/regex/regex_internal.c
diff --git a/compat/regex/regex_internal.h b/lib/compat/regex/regex_internal.h
similarity index 100%
rename from compat/regex/regex_internal.h
rename to lib/compat/regex/regex_internal.h
diff --git a/compat/regex/regexec.c b/lib/compat/regex/regexec.c
similarity index 100%
rename from compat/regex/regexec.c
rename to lib/compat/regex/regexec.c
diff --git a/compat/setenv.c b/lib/compat/setenv.c
similarity index 100%
rename from compat/setenv.c
rename to lib/compat/setenv.c
diff --git a/compat/sha1-chunked.c b/lib/compat/sha1-chunked.c
similarity index 100%
rename from compat/sha1-chunked.c
rename to lib/compat/sha1-chunked.c
diff --git a/compat/sha1-chunked.h b/lib/compat/sha1-chunked.h
similarity index 100%
rename from compat/sha1-chunked.h
rename to lib/compat/sha1-chunked.h
diff --git a/compat/simple-ipc/ipc-shared.c b/lib/compat/simple-ipc/ipc-shared.c
similarity index 100%
rename from compat/simple-ipc/ipc-shared.c
rename to lib/compat/simple-ipc/ipc-shared.c
diff --git a/compat/simple-ipc/ipc-unix-socket.c b/lib/compat/simple-ipc/ipc-unix-socket.c
similarity index 100%
rename from compat/simple-ipc/ipc-unix-socket.c
rename to lib/compat/simple-ipc/ipc-unix-socket.c
diff --git a/compat/simple-ipc/ipc-win32.c b/lib/compat/simple-ipc/ipc-win32.c
similarity index 100%
rename from compat/simple-ipc/ipc-win32.c
rename to lib/compat/simple-ipc/ipc-win32.c
diff --git a/compat/snprintf.c b/lib/compat/snprintf.c
similarity index 100%
rename from compat/snprintf.c
rename to lib/compat/snprintf.c
diff --git a/compat/stat.c b/lib/compat/stat.c
similarity index 100%
rename from compat/stat.c
rename to lib/compat/stat.c
diff --git a/compat/strcasestr.c b/lib/compat/strcasestr.c
similarity index 100%
rename from compat/strcasestr.c
rename to lib/compat/strcasestr.c
diff --git a/compat/strdup.c b/lib/compat/strdup.c
similarity index 100%
rename from compat/strdup.c
rename to lib/compat/strdup.c
diff --git a/compat/strlcpy.c b/lib/compat/strlcpy.c
similarity index 100%
rename from compat/strlcpy.c
rename to lib/compat/strlcpy.c
diff --git a/compat/strtoimax.c b/lib/compat/strtoimax.c
similarity index 100%
rename from compat/strtoimax.c
rename to lib/compat/strtoimax.c
diff --git a/compat/strtoumax.c b/lib/compat/strtoumax.c
similarity index 100%
rename from compat/strtoumax.c
rename to lib/compat/strtoumax.c
diff --git a/compat/stub/procinfo.c b/lib/compat/stub/procinfo.c
similarity index 100%
rename from compat/stub/procinfo.c
rename to lib/compat/stub/procinfo.c
diff --git a/compat/terminal.c b/lib/compat/terminal.c
similarity index 100%
rename from compat/terminal.c
rename to lib/compat/terminal.c
diff --git a/compat/terminal.h b/lib/compat/terminal.h
similarity index 100%
rename from compat/terminal.h
rename to lib/compat/terminal.h
diff --git a/compat/unsetenv.c b/lib/compat/unsetenv.c
similarity index 100%
rename from compat/unsetenv.c
rename to lib/compat/unsetenv.c
diff --git a/compat/vcbuild/.gitignore b/lib/compat/vcbuild/.gitignore
similarity index 100%
rename from compat/vcbuild/.gitignore
rename to lib/compat/vcbuild/.gitignore
diff --git a/compat/vcbuild/README b/lib/compat/vcbuild/README
similarity index 94%
rename from compat/vcbuild/README
rename to lib/compat/vcbuild/README
index 29ec1d0f10..63ee00a4ef 100644
--- a/compat/vcbuild/README
+++ b/lib/compat/vcbuild/README
@@ -6,17 +6,17 @@ The Steps to Build Git with VS2015 or VS2017 from the command line.
    Prompt or from an SDK bash window:
 
    $ cd <repo_root>
-   $ ./compat/vcbuild/vcpkg_install.bat
+   $ ./lib/compat/vcbuild/vcpkg_install.bat
 
    The vcpkg tools and all of the third-party sources will be installed
    in this folder:
-      <repo_root>/compat/vcbuild/vcpkg/
+      <repo_root>/lib/compat/vcbuild/vcpkg/
 
    A file will be created with a set of Makefile macros pointing to a
    unified "include", "lib", and "bin" directory (release and debug) for
    all of the required packages.  This file will be included by the main
    Makefile:
-      <repo_root>/compat/vcbuild/MSVC-DEFS-GEN
+      <repo_root>/lib/compat/vcbuild/MSVC-DEFS-GEN
 
 2. OPTIONALLY copy the third-party *.dll and *.pdb files into the repo
    root to make it easier to run and debug git.exe without having to
@@ -26,8 +26,8 @@ The Steps to Build Git with VS2015 or VS2017 from the command line.
    Use ONE of the following forms which should match how you want to
    compile git.exe.
 
-   $ ./compat/vcbuild/vcpkg_copy_dlls.bat debug
-   $ ./compat/vcbuild/vcpkg_copy_dlls.bat release
+   $ ./lib/compat/vcbuild/vcpkg_copy_dlls.bat debug
+   $ ./lib/compat/vcbuild/vcpkg_copy_dlls.bat release
 
 3. Build git using MSVC from an SDK bash window using one of the
    following commands:
diff --git a/compat/vcbuild/find_vs_env.bat b/lib/compat/vcbuild/find_vs_env.bat
similarity index 98%
rename from compat/vcbuild/find_vs_env.bat
rename to lib/compat/vcbuild/find_vs_env.bat
index b35d264c0e..30e884b3d7 100644
--- a/compat/vcbuild/find_vs_env.bat
+++ b/lib/compat/vcbuild/find_vs_env.bat
@@ -25,7 +25,7 @@ REM
 REM The output of this script should be written to a make "include
 REM file" and referenced by the top-level Makefile.
 REM
-REM See "config.mak.uname" (look for compat/vcbuild/MSVC-DEFS-GEN).
+REM See "config.mak.uname" (look for lib/compat/vcbuild/MSVC-DEFS-GEN).
 REM ================================================================
 REM The provided command prompts are custom to each VS release and
 REM filled with lots of internal knowledge (such as Registry settings);
diff --git a/compat/vcbuild/include/sys/param.h b/lib/compat/vcbuild/include/sys/param.h
similarity index 100%
rename from compat/vcbuild/include/sys/param.h
rename to lib/compat/vcbuild/include/sys/param.h
diff --git a/compat/vcbuild/include/sys/time.h b/lib/compat/vcbuild/include/sys/time.h
similarity index 100%
rename from compat/vcbuild/include/sys/time.h
rename to lib/compat/vcbuild/include/sys/time.h
diff --git a/compat/vcbuild/include/sys/utime.h b/lib/compat/vcbuild/include/sys/utime.h
similarity index 100%
rename from compat/vcbuild/include/sys/utime.h
rename to lib/compat/vcbuild/include/sys/utime.h
diff --git a/compat/vcbuild/include/unistd.h b/lib/compat/vcbuild/include/unistd.h
similarity index 100%
rename from compat/vcbuild/include/unistd.h
rename to lib/compat/vcbuild/include/unistd.h
diff --git a/compat/vcbuild/include/utime.h b/lib/compat/vcbuild/include/utime.h
similarity index 100%
rename from compat/vcbuild/include/utime.h
rename to lib/compat/vcbuild/include/utime.h
diff --git a/compat/vcbuild/scripts/clink.pl b/lib/compat/vcbuild/scripts/clink.pl
similarity index 100%
rename from compat/vcbuild/scripts/clink.pl
rename to lib/compat/vcbuild/scripts/clink.pl
diff --git a/compat/vcbuild/scripts/lib.pl b/lib/compat/vcbuild/scripts/lib.pl
similarity index 100%
rename from compat/vcbuild/scripts/lib.pl
rename to lib/compat/vcbuild/scripts/lib.pl
diff --git a/compat/vcbuild/vcpkg_copy_dlls.bat b/lib/compat/vcbuild/vcpkg_copy_dlls.bat
similarity index 100%
rename from compat/vcbuild/vcpkg_copy_dlls.bat
rename to lib/compat/vcbuild/vcpkg_copy_dlls.bat
diff --git a/compat/vcbuild/vcpkg_install.bat b/lib/compat/vcbuild/vcpkg_install.bat
similarity index 95%
rename from compat/vcbuild/vcpkg_install.bat
rename to lib/compat/vcbuild/vcpkg_install.bat
index ebd0bad242..64c1b199e0 100644
--- a/compat/vcbuild/vcpkg_install.bat
+++ b/lib/compat/vcbuild/vcpkg_install.bat
@@ -5,10 +5,10 @@ REM it to build the third-party libraries that git requires when it
 REM is built using MSVC.
 REM
 REM [1] Install VCPKG.
-REM     [a] Create <root>/compat/vcbuild/vcpkg/
+REM     [a] Create <root>/lib/compat/vcbuild/vcpkg/
 REM     [b] Download "vcpkg".
 REM     [c] Compile using the currently installed version of VS.
-REM     [d] Create <root>/compat/vcbuild/vcpkg/vcpkg.exe
+REM     [d] Create <root>/lib/compat/vcbuild/vcpkg/vcpkg.exe
 REM
 REM [2] Install third-party libraries.
 REM     [a] Download each (which may also install CMAKE).
diff --git a/compat/win32.h b/lib/compat/win32.h
similarity index 100%
rename from compat/win32.h
rename to lib/compat/win32.h
diff --git a/compat/win32/alloca.h b/lib/compat/win32/alloca.h
similarity index 100%
rename from compat/win32/alloca.h
rename to lib/compat/win32/alloca.h
diff --git a/compat/win32/dirent.c b/lib/compat/win32/dirent.c
similarity index 100%
rename from compat/win32/dirent.c
rename to lib/compat/win32/dirent.c
diff --git a/compat/win32/dirent.h b/lib/compat/win32/dirent.h
similarity index 100%
rename from compat/win32/dirent.h
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diff --git a/tree-diff.c b/lib/tree-diff.c
similarity index 100%
rename from tree-diff.c
rename to lib/tree-diff.c
diff --git a/tree-walk.c b/lib/tree-walk.c
similarity index 100%
rename from tree-walk.c
rename to lib/tree-walk.c
diff --git a/tree-walk.h b/lib/tree-walk.h
similarity index 100%
rename from tree-walk.h
rename to lib/tree-walk.h
diff --git a/tree.c b/lib/tree.c
similarity index 100%
rename from tree.c
rename to lib/tree.c
diff --git a/tree.h b/lib/tree.h
similarity index 100%
rename from tree.h
rename to lib/tree.h
diff --git a/unicode-width.h b/lib/unicode-width.h
similarity index 100%
rename from unicode-width.h
rename to lib/unicode-width.h
diff --git a/unix-socket.c b/lib/unix-socket.c
similarity index 100%
rename from unix-socket.c
rename to lib/unix-socket.c
diff --git a/unix-socket.h b/lib/unix-socket.h
similarity index 100%
rename from unix-socket.h
rename to lib/unix-socket.h
diff --git a/unix-stream-server.c b/lib/unix-stream-server.c
similarity index 100%
rename from unix-stream-server.c
rename to lib/unix-stream-server.c
diff --git a/unix-stream-server.h b/lib/unix-stream-server.h
similarity index 100%
rename from unix-stream-server.h
rename to lib/unix-stream-server.h
diff --git a/unpack-trees.c b/lib/unpack-trees.c
similarity index 100%
rename from unpack-trees.c
rename to lib/unpack-trees.c
diff --git a/unpack-trees.h b/lib/unpack-trees.h
similarity index 100%
rename from unpack-trees.h
rename to lib/unpack-trees.h
diff --git a/upload-pack.c b/lib/upload-pack.c
similarity index 100%
rename from upload-pack.c
rename to lib/upload-pack.c
diff --git a/upload-pack.h b/lib/upload-pack.h
similarity index 100%
rename from upload-pack.h
rename to lib/upload-pack.h
diff --git a/url.c b/lib/url.c
similarity index 100%
rename from url.c
rename to lib/url.c
diff --git a/url.h b/lib/url.h
similarity index 100%
rename from url.h
rename to lib/url.h
diff --git a/urlmatch.c b/lib/urlmatch.c
similarity index 100%
rename from urlmatch.c
rename to lib/urlmatch.c
diff --git a/urlmatch.h b/lib/urlmatch.h
similarity index 100%
rename from urlmatch.h
rename to lib/urlmatch.h
diff --git a/usage.c b/lib/usage.c
similarity index 100%
rename from usage.c
rename to lib/usage.c
diff --git a/userdiff.c b/lib/userdiff.c
similarity index 100%
rename from userdiff.c
rename to lib/userdiff.c
diff --git a/userdiff.h b/lib/userdiff.h
similarity index 100%
rename from userdiff.h
rename to lib/userdiff.h
diff --git a/utf8.c b/lib/utf8.c
similarity index 100%
rename from utf8.c
rename to lib/utf8.c
diff --git a/utf8.h b/lib/utf8.h
similarity index 100%
rename from utf8.h
rename to lib/utf8.h
diff --git a/varint.c b/lib/varint.c
similarity index 100%
rename from varint.c
rename to lib/varint.c
diff --git a/varint.h b/lib/varint.h
similarity index 100%
rename from varint.h
rename to lib/varint.h
diff --git a/version-def.h.in b/lib/version-def.h.in
similarity index 100%
rename from version-def.h.in
rename to lib/version-def.h.in
diff --git a/version.c b/lib/version.c
similarity index 100%
rename from version.c
rename to lib/version.c
diff --git a/version.h b/lib/version.h
similarity index 100%
rename from version.h
rename to lib/version.h
diff --git a/versioncmp.c b/lib/versioncmp.c
similarity index 100%
rename from versioncmp.c
rename to lib/versioncmp.c
diff --git a/versioncmp.h b/lib/versioncmp.h
similarity index 100%
rename from versioncmp.h
rename to lib/versioncmp.h
diff --git a/walker.c b/lib/walker.c
similarity index 100%
rename from walker.c
rename to lib/walker.c
diff --git a/walker.h b/lib/walker.h
similarity index 100%
rename from walker.h
rename to lib/walker.h
diff --git a/wildmatch.c b/lib/wildmatch.c
similarity index 100%
rename from wildmatch.c
rename to lib/wildmatch.c
diff --git a/wildmatch.h b/lib/wildmatch.h
similarity index 100%
rename from wildmatch.h
rename to lib/wildmatch.h
diff --git a/worktree.c b/lib/worktree.c
similarity index 100%
rename from worktree.c
rename to lib/worktree.c
diff --git a/worktree.h b/lib/worktree.h
similarity index 100%
rename from worktree.h
rename to lib/worktree.h
diff --git a/wrapper.c b/lib/wrapper.c
similarity index 100%
rename from wrapper.c
rename to lib/wrapper.c
diff --git a/wrapper.h b/lib/wrapper.h
similarity index 100%
rename from wrapper.h
rename to lib/wrapper.h
diff --git a/write-or-die.c b/lib/write-or-die.c
similarity index 100%
rename from write-or-die.c
rename to lib/write-or-die.c
diff --git a/write-or-die.h b/lib/write-or-die.h
similarity index 100%
rename from write-or-die.h
rename to lib/write-or-die.h
diff --git a/ws.c b/lib/ws.c
similarity index 100%
rename from ws.c
rename to lib/ws.c
diff --git a/ws.h b/lib/ws.h
similarity index 100%
rename from ws.h
rename to lib/ws.h
diff --git a/wt-status.c b/lib/wt-status.c
similarity index 100%
rename from wt-status.c
rename to lib/wt-status.c
diff --git a/wt-status.h b/lib/wt-status.h
similarity index 100%
rename from wt-status.h
rename to lib/wt-status.h
diff --git a/xdiff-interface.c b/lib/xdiff-interface.c
similarity index 100%
rename from xdiff-interface.c
rename to lib/xdiff-interface.c
diff --git a/xdiff-interface.h b/lib/xdiff-interface.h
similarity index 100%
rename from xdiff-interface.h
rename to lib/xdiff-interface.h
diff --git a/xdiff/xdiff.h b/lib/xdiff/xdiff.h
similarity index 100%
rename from xdiff/xdiff.h
rename to lib/xdiff/xdiff.h
diff --git a/xdiff/xdiffi.c b/lib/xdiff/xdiffi.c
similarity index 100%
rename from xdiff/xdiffi.c
rename to lib/xdiff/xdiffi.c
diff --git a/xdiff/xdiffi.h b/lib/xdiff/xdiffi.h
similarity index 100%
rename from xdiff/xdiffi.h
rename to lib/xdiff/xdiffi.h
diff --git a/xdiff/xemit.c b/lib/xdiff/xemit.c
similarity index 100%
rename from xdiff/xemit.c
rename to lib/xdiff/xemit.c
diff --git a/xdiff/xemit.h b/lib/xdiff/xemit.h
similarity index 100%
rename from xdiff/xemit.h
rename to lib/xdiff/xemit.h
diff --git a/xdiff/xhistogram.c b/lib/xdiff/xhistogram.c
similarity index 100%
rename from xdiff/xhistogram.c
rename to lib/xdiff/xhistogram.c
diff --git a/xdiff/xinclude.h b/lib/xdiff/xinclude.h
similarity index 100%
rename from xdiff/xinclude.h
rename to lib/xdiff/xinclude.h
diff --git a/xdiff/xmacros.h b/lib/xdiff/xmacros.h
similarity index 100%
rename from xdiff/xmacros.h
rename to lib/xdiff/xmacros.h
diff --git a/xdiff/xmerge.c b/lib/xdiff/xmerge.c
similarity index 100%
rename from xdiff/xmerge.c
rename to lib/xdiff/xmerge.c
diff --git a/xdiff/xpatience.c b/lib/xdiff/xpatience.c
similarity index 100%
rename from xdiff/xpatience.c
rename to lib/xdiff/xpatience.c
diff --git a/xdiff/xprepare.c b/lib/xdiff/xprepare.c
similarity index 100%
rename from xdiff/xprepare.c
rename to lib/xdiff/xprepare.c
diff --git a/xdiff/xprepare.h b/lib/xdiff/xprepare.h
similarity index 100%
rename from xdiff/xprepare.h
rename to lib/xdiff/xprepare.h
diff --git a/xdiff/xtypes.h b/lib/xdiff/xtypes.h
similarity index 100%
rename from xdiff/xtypes.h
rename to lib/xdiff/xtypes.h
diff --git a/xdiff/xutils.c b/lib/xdiff/xutils.c
similarity index 100%
rename from xdiff/xutils.c
rename to lib/xdiff/xutils.c
diff --git a/xdiff/xutils.h b/lib/xdiff/xutils.h
similarity index 100%
rename from xdiff/xutils.h
rename to lib/xdiff/xutils.h
diff --git a/meson.build b/meson.build
index 11488623bf..c83b7a94d0 100644
--- a/meson.build
+++ b/meson.build
@@ -272,288 +272,288 @@ version_gen_environment.set('GIT_VERSION', get_option('version'))
 compiler = meson.get_compiler('c')
 
 compat_sources = [
-  'compat/nonblock.c',
-  'compat/obstack.c',
-  'compat/open.c',
-  'compat/terminal.c',
+  'lib/compat/nonblock.c',
+  'lib/compat/obstack.c',
+  'lib/compat/open.c',
+  'lib/compat/terminal.c',
 ]
 
 libgit_sources = [
-  'abspath.c',
-  'add-interactive.c',
-  'add-patch.c',
-  'advice.c',
-  'alias.c',
-  'alloc.c',
-  'apply.c',
-  'archive-tar.c',
-  'archive-zip.c',
-  'archive.c',
-  'attr.c',
-  'base85.c',
-  'bisect.c',
-  'blame.c',
-  'blob.c',
-  'bloom.c',
-  'branch.c',
-  'bundle-uri.c',
-  'bundle.c',
-  'cache-tree.c',
-  'cbtree.c',
-  'chdir-notify.c',
-  'checkout.c',
-  'chunk-format.c',
-  'color.c',
-  'column.c',
-  'combine-diff.c',
-  'commit-graph.c',
-  'commit-reach.c',
-  'commit.c',
-  'common-exit.c',
-  'common-init.c',
-  'compiler-tricks/not-constant.c',
-  'config.c',
-  'connect.c',
-  'connected.c',
-  'convert.c',
-  'copy.c',
-  'credential.c',
-  'csum-file.c',
-  'ctype.c',
-  'date.c',
-  'decorate.c',
-  'delta-islands.c',
-  'diagnose.c',
-  'diff-delta.c',
-  'diff-merges.c',
-  'diff-lib.c',
-  'diff-no-index.c',
-  'diff.c',
-  'diffcore-break.c',
-  'diffcore-delta.c',
-  'diffcore-order.c',
-  'diffcore-pickaxe.c',
-  'diffcore-rename.c',
-  'diffcore-rotate.c',
-  'dir-iterator.c',
-  'dir.c',
-  'editor.c',
-  'entry.c',
-  'environment.c',
-  'ewah/bitmap.c',
-  'ewah/ewah_bitmap.c',
-  'ewah/ewah_io.c',
-  'ewah/ewah_rlw.c',
-  'exec-cmd.c',
-  'fetch-negotiator.c',
-  'fetch-pack.c',
-  'fmt-merge-msg.c',
-  'fsck.c',
-  'fsmonitor.c',
-  'fsmonitor-ipc.c',
-  'fsmonitor-settings.c',
-  'gettext.c',
-  'git-zlib.c',
-  'gpg-interface.c',
-  'graph.c',
-  'grep.c',
-  'hash-lookup.c',
-  'hash.c',
-  'hashmap.c',
-  'help.c',
-  'hex.c',
-  'hex-ll.c',
-  'hook.c',
-  'ident.c',
-  'json-writer.c',
-  'kwset.c',
-  'levenshtein.c',
-  'line-log.c',
-  'line-range.c',
-  'linear-assignment.c',
-  'list-objects-filter-options.c',
-  'list-objects-filter.c',
-  'list-objects.c',
-  'lockfile.c',
-  'log-tree.c',
-  'loose.c',
-  'ls-refs.c',
-  'mailinfo.c',
-  'mailmap.c',
-  'match-trees.c',
-  'mem-pool.c',
-  'merge-blobs.c',
-  'merge-ll.c',
-  'merge-ort.c',
-  'merge-ort-wrappers.c',
-  'merge.c',
-  'midx.c',
-  'midx-write.c',
-  'name-hash.c',
-  'negotiator/default.c',
-  'negotiator/noop.c',
-  'negotiator/skipping.c',
-  'notes-cache.c',
-  'notes-merge.c',
-  'notes-utils.c',
-  'notes.c',
-  'object-file-convert.c',
-  'object-file.c',
-  'object-name.c',
-  'object.c',
-  'odb.c',
-  'odb/source.c',
-  'odb/source-files.c',
-  'odb/streaming.c',
-  'oid-array.c',
-  'oidmap.c',
-  'oidset.c',
-  'oidtree.c',
-  'pack-bitmap-write.c',
-  'pack-bitmap.c',
-  'pack-check.c',
-  'pack-mtimes.c',
-  'pack-objects.c',
-  'pack-refs.c',
-  'pack-revindex.c',
-  'pack-write.c',
-  'packfile.c',
-  'pager.c',
-  'parallel-checkout.c',
-  'parse.c',
-  'parse-options-cb.c',
-  'parse-options.c',
-  'patch-delta.c',
-  'patch-ids.c',
-  'path.c',
-  'path-walk.c',
-  'pathspec.c',
-  'pkt-line.c',
-  'preload-index.c',
-  'pretty.c',
-  'prio-queue.c',
-  'progress.c',
-  'promisor-remote.c',
-  'prompt.c',
-  'protocol.c',
-  'protocol-caps.c',
-  'prune-packed.c',
-  'pseudo-merge.c',
-  'quote.c',
-  'range-diff.c',
-  'reachable.c',
-  'read-cache.c',
-  'rebase-interactive.c',
-  'rebase.c',
-  'ref-filter.c',
-  'reflog-walk.c',
-  'reflog.c',
-  'refs.c',
-  'refs/debug.c',
-  'refs/files-backend.c',
-  'refs/reftable-backend.c',
-  'refs/iterator.c',
-  'refs/packed-backend.c',
-  'refs/ref-cache.c',
-  'refspec.c',
-  'reftable/basics.c',
-  'reftable/error.c',
-  'reftable/block.c',
-  'reftable/blocksource.c',
-  'reftable/fsck.c',
-  'reftable/iter.c',
-  'reftable/merged.c',
-  'reftable/pq.c',
-  'reftable/record.c',
-  'reftable/stack.c',
-  'reftable/system.c',
-  'reftable/table.c',
-  'reftable/tree.c',
-  'reftable/writer.c',
-  'remote.c',
-  'repack.c',
-  'repack-cruft.c',
-  'repack-filtered.c',
-  'repack-geometry.c',
-  'repack-midx.c',
-  'repack-promisor.c',
-  'replace-object.c',
-  'replay.c',
-  'repo-settings.c',
-  'repository.c',
-  'rerere.c',
-  'reset.c',
-  'resolve-undo.c',
-  'revision.c',
-  'run-command.c',
-  'send-pack.c',
-  'sequencer.c',
-  'serve.c',
-  'server-info.c',
-  'setup.c',
-  'shallow.c',
-  'sideband.c',
-  'sigchain.c',
-  'sparse-index.c',
-  'split-index.c',
-  'stable-qsort.c',
-  'statinfo.c',
-  'strbuf.c',
-  'string-list.c',
-  'strmap.c',
-  'strvec.c',
-  'sub-process.c',
-  'submodule-config.c',
-  'submodule.c',
-  'symlinks.c',
-  'tag.c',
-  'tempfile.c',
-  'thread-utils.c',
-  'tmp-objdir.c',
-  'trace.c',
-  'trace2.c',
-  'trace2/tr2_cfg.c',
-  'trace2/tr2_cmd_name.c',
-  'trace2/tr2_ctr.c',
-  'trace2/tr2_dst.c',
-  'trace2/tr2_sid.c',
-  'trace2/tr2_sysenv.c',
-  'trace2/tr2_tbuf.c',
-  'trace2/tr2_tgt_event.c',
-  'trace2/tr2_tgt_normal.c',
-  'trace2/tr2_tgt_perf.c',
-  'trace2/tr2_tls.c',
-  'trace2/tr2_tmr.c',
-  'trailer.c',
-  'transport-helper.c',
-  'transport.c',
-  'tree-diff.c',
-  'tree-walk.c',
-  'tree.c',
-  'unpack-trees.c',
-  'upload-pack.c',
-  'url.c',
-  'urlmatch.c',
-  'usage.c',
-  'userdiff.c',
-  'utf8.c',
-  'version.c',
-  'versioncmp.c',
-  'walker.c',
-  'wildmatch.c',
-  'worktree.c',
-  'wrapper.c',
-  'write-or-die.c',
-  'ws.c',
-  'wt-status.c',
-  'xdiff-interface.c',
-  'xdiff/xdiffi.c',
-  'xdiff/xemit.c',
-  'xdiff/xhistogram.c',
-  'xdiff/xmerge.c',
-  'xdiff/xpatience.c',
-  'xdiff/xprepare.c',
-  'xdiff/xutils.c',
+  'lib/abspath.c',
+  'lib/add-interactive.c',
+  'lib/add-patch.c',
+  'lib/advice.c',
+  'lib/alias.c',
+  'lib/alloc.c',
+  'lib/apply.c',
+  'lib/archive-tar.c',
+  'lib/archive-zip.c',
+  'lib/archive.c',
+  'lib/attr.c',
+  'lib/base85.c',
+  'lib/bisect.c',
+  'lib/blame.c',
+  'lib/blob.c',
+  'lib/bloom.c',
+  'lib/branch.c',
+  'lib/bundle-uri.c',
+  'lib/bundle.c',
+  'lib/cache-tree.c',
+  'lib/cbtree.c',
+  'lib/chdir-notify.c',
+  'lib/checkout.c',
+  'lib/chunk-format.c',
+  'lib/color.c',
+  'lib/column.c',
+  'lib/combine-diff.c',
+  'lib/commit-graph.c',
+  'lib/commit-reach.c',
+  'lib/commit.c',
+  'lib/common-exit.c',
+  'lib/common-init.c',
+  'lib/compiler-tricks/not-constant.c',
+  'lib/config.c',
+  'lib/connect.c',
+  'lib/connected.c',
+  'lib/convert.c',
+  'lib/copy.c',
+  'lib/credential.c',
+  'lib/csum-file.c',
+  'lib/ctype.c',
+  'lib/date.c',
+  'lib/decorate.c',
+  'lib/delta-islands.c',
+  'lib/diagnose.c',
+  'lib/diff-delta.c',
+  'lib/diff-merges.c',
+  'lib/diff-lib.c',
+  'lib/diff-no-index.c',
+  'lib/diff.c',
+  'lib/diffcore-break.c',
+  'lib/diffcore-delta.c',
+  'lib/diffcore-order.c',
+  'lib/diffcore-pickaxe.c',
+  'lib/diffcore-rename.c',
+  'lib/diffcore-rotate.c',
+  'lib/dir-iterator.c',
+  'lib/dir.c',
+  'lib/editor.c',
+  'lib/entry.c',
+  'lib/environment.c',
+  'lib/ewah/bitmap.c',
+  'lib/ewah/ewah_bitmap.c',
+  'lib/ewah/ewah_io.c',
+  'lib/ewah/ewah_rlw.c',
+  'lib/exec-cmd.c',
+  'lib/fetch-negotiator.c',
+  'lib/fetch-pack.c',
+  'lib/fmt-merge-msg.c',
+  'lib/fsck.c',
+  'lib/fsmonitor.c',
+  'lib/fsmonitor-ipc.c',
+  'lib/fsmonitor-settings.c',
+  'lib/gettext.c',
+  'lib/git-zlib.c',
+  'lib/gpg-interface.c',
+  'lib/graph.c',
+  'lib/grep.c',
+  'lib/hash-lookup.c',
+  'lib/hash.c',
+  'lib/hashmap.c',
+  'lib/help.c',
+  'lib/hex.c',
+  'lib/hex-ll.c',
+  'lib/hook.c',
+  'lib/ident.c',
+  'lib/json-writer.c',
+  'lib/kwset.c',
+  'lib/levenshtein.c',
+  'lib/line-log.c',
+  'lib/line-range.c',
+  'lib/linear-assignment.c',
+  'lib/list-objects-filter-options.c',
+  'lib/list-objects-filter.c',
+  'lib/list-objects.c',
+  'lib/lockfile.c',
+  'lib/log-tree.c',
+  'lib/loose.c',
+  'lib/ls-refs.c',
+  'lib/mailinfo.c',
+  'lib/mailmap.c',
+  'lib/match-trees.c',
+  'lib/mem-pool.c',
+  'lib/merge-blobs.c',
+  'lib/merge-ll.c',
+  'lib/merge-ort.c',
+  'lib/merge-ort-wrappers.c',
+  'lib/merge.c',
+  'lib/midx.c',
+  'lib/midx-write.c',
+  'lib/name-hash.c',
+  'lib/negotiator/default.c',
+  'lib/negotiator/noop.c',
+  'lib/negotiator/skipping.c',
+  'lib/notes-cache.c',
+  'lib/notes-merge.c',
+  'lib/notes-utils.c',
+  'lib/notes.c',
+  'lib/object-file-convert.c',
+  'lib/object-file.c',
+  'lib/object-name.c',
+  'lib/object.c',
+  'lib/odb.c',
+  'lib/odb/source.c',
+  'lib/odb/source-files.c',
+  'lib/odb/streaming.c',
+  'lib/oid-array.c',
+  'lib/oidmap.c',
+  'lib/oidset.c',
+  'lib/oidtree.c',
+  'lib/pack-bitmap-write.c',
+  'lib/pack-bitmap.c',
+  'lib/pack-check.c',
+  'lib/pack-mtimes.c',
+  'lib/pack-objects.c',
+  'lib/pack-refs.c',
+  'lib/pack-revindex.c',
+  'lib/pack-write.c',
+  'lib/packfile.c',
+  'lib/pager.c',
+  'lib/parallel-checkout.c',
+  'lib/parse.c',
+  'lib/parse-options-cb.c',
+  'lib/parse-options.c',
+  'lib/patch-delta.c',
+  'lib/patch-ids.c',
+  'lib/path.c',
+  'lib/path-walk.c',
+  'lib/pathspec.c',
+  'lib/pkt-line.c',
+  'lib/preload-index.c',
+  'lib/pretty.c',
+  'lib/prio-queue.c',
+  'lib/progress.c',
+  'lib/promisor-remote.c',
+  'lib/prompt.c',
+  'lib/protocol.c',
+  'lib/protocol-caps.c',
+  'lib/prune-packed.c',
+  'lib/pseudo-merge.c',
+  'lib/quote.c',
+  'lib/range-diff.c',
+  'lib/reachable.c',
+  'lib/read-cache.c',
+  'lib/rebase-interactive.c',
+  'lib/rebase.c',
+  'lib/ref-filter.c',
+  'lib/reflog-walk.c',
+  'lib/reflog.c',
+  'lib/refs.c',
+  'lib/refs/debug.c',
+  'lib/refs/files-backend.c',
+  'lib/refs/reftable-backend.c',
+  'lib/refs/iterator.c',
+  'lib/refs/packed-backend.c',
+  'lib/refs/ref-cache.c',
+  'lib/refspec.c',
+  'lib/reftable/basics.c',
+  'lib/reftable/error.c',
+  'lib/reftable/block.c',
+  'lib/reftable/blocksource.c',
+  'lib/reftable/fsck.c',
+  'lib/reftable/iter.c',
+  'lib/reftable/merged.c',
+  'lib/reftable/pq.c',
+  'lib/reftable/record.c',
+  'lib/reftable/stack.c',
+  'lib/reftable/system.c',
+  'lib/reftable/table.c',
+  'lib/reftable/tree.c',
+  'lib/reftable/writer.c',
+  'lib/remote.c',
+  'lib/repack.c',
+  'lib/repack-cruft.c',
+  'lib/repack-filtered.c',
+  'lib/repack-geometry.c',
+  'lib/repack-midx.c',
+  'lib/repack-promisor.c',
+  'lib/replace-object.c',
+  'lib/replay.c',
+  'lib/repo-settings.c',
+  'lib/repository.c',
+  'lib/rerere.c',
+  'lib/reset.c',
+  'lib/resolve-undo.c',
+  'lib/revision.c',
+  'lib/run-command.c',
+  'lib/send-pack.c',
+  'lib/sequencer.c',
+  'lib/serve.c',
+  'lib/server-info.c',
+  'lib/setup.c',
+  'lib/shallow.c',
+  'lib/sideband.c',
+  'lib/sigchain.c',
+  'lib/sparse-index.c',
+  'lib/split-index.c',
+  'lib/stable-qsort.c',
+  'lib/statinfo.c',
+  'lib/strbuf.c',
+  'lib/string-list.c',
+  'lib/strmap.c',
+  'lib/strvec.c',
+  'lib/sub-process.c',
+  'lib/submodule-config.c',
+  'lib/submodule.c',
+  'lib/symlinks.c',
+  'lib/tag.c',
+  'lib/tempfile.c',
+  'lib/thread-utils.c',
+  'lib/tmp-objdir.c',
+  'lib/trace.c',
+  'lib/trace2.c',
+  'lib/trace2/tr2_cfg.c',
+  'lib/trace2/tr2_cmd_name.c',
+  'lib/trace2/tr2_ctr.c',
+  'lib/trace2/tr2_dst.c',
+  'lib/trace2/tr2_sid.c',
+  'lib/trace2/tr2_sysenv.c',
+  'lib/trace2/tr2_tbuf.c',
+  'lib/trace2/tr2_tgt_event.c',
+  'lib/trace2/tr2_tgt_normal.c',
+  'lib/trace2/tr2_tgt_perf.c',
+  'lib/trace2/tr2_tls.c',
+  'lib/trace2/tr2_tmr.c',
+  'lib/trailer.c',
+  'lib/transport-helper.c',
+  'lib/transport.c',
+  'lib/tree-diff.c',
+  'lib/tree-walk.c',
+  'lib/tree.c',
+  'lib/unpack-trees.c',
+  'lib/upload-pack.c',
+  'lib/url.c',
+  'lib/urlmatch.c',
+  'lib/usage.c',
+  'lib/userdiff.c',
+  'lib/utf8.c',
+  'lib/version.c',
+  'lib/versioncmp.c',
+  'lib/walker.c',
+  'lib/wildmatch.c',
+  'lib/worktree.c',
+  'lib/wrapper.c',
+  'lib/write-or-die.c',
+  'lib/ws.c',
+  'lib/wt-status.c',
+  'lib/xdiff-interface.c',
+  'lib/xdiff/xdiffi.c',
+  'lib/xdiff/xemit.c',
+  'lib/xdiff/xhistogram.c',
+  'lib/xdiff/xmerge.c',
+  'lib/xdiff/xpatience.c',
+  'lib/xdiff/xprepare.c',
+  'lib/xdiff/xutils.c',
 ]
 
 libgit_sources += custom_target(
@@ -696,17 +696,17 @@ builtin_sources = [
 
 third_party_excludes = [
   ':!contrib',
-  ':!compat/inet_ntop.c',
-  ':!compat/inet_pton.c',
-  ':!compat/nedmalloc',
-  ':!compat/obstack.*',
-  ':!compat/poll',
-  ':!compat/regex',
-  ':!sha1collisiondetection',
-  ':!sha1dc',
+  ':!lib/compat/inet_ntop.c',
+  ':!lib/compat/inet_pton.c',
+  ':!lib/compat/nedmalloc',
+  ':!lib/compat/obstack.*',
+  ':!lib/compat/poll',
+  ':!lib/compat/regex',
+  ':!lib/sha1collisiondetection',
+  ':!lib/sha1dc',
+  ':!lib/xdiff',
   ':!t/unit-tests/clar',
   ':!t/t[0-9][0-9][0-9][0-9]*',
-  ':!xdiff',
 ]
 
 headers_to_check = []
@@ -835,7 +835,7 @@ if help_format_opt != 'man'
     libgit_c_args += '-DDEFAULT_HELP_FORMAT="' + help_format_opt + '"'
 endif
 
-li

diff --git a/t/helper/test-example-tap.c b/t/helper/test-example-tap.c
index 998a1f0b42..50d46669d1 100644
--- a/t/helper/test-example-tap.c
+++ b/t/helper/test-example-tap.c
@@ -1,5 +1,5 @@
 #include "test-tool.h"
-#include "t/unit-tests/test-lib.h"
+#include "../unit-tests/test-lib.h"
 
 /*
  * The purpose of this "unit test" is to verify a few invariants of the unit

.github/workflows/main.yml, .gitmodules, Documentation/Makefile, Makefile, config.mak.uname, contrib/buildsystems/CMakeLists.txt, git.rc.in, abspath.c, abspath.h, add-interactive.c, add-interactive.h, add-patch.c, add-patch.h, advice.c, advice.h, alias.c, alias.h, alloc.c, alloc.h, apply.c, apply.h, archive-tar.c, archive-zip.c, archive.c, archive.h, attr.c, attr.h, banned.h, base85.c, base85.h, bisect.c, bisect.h, blame.c, blame.h, blob.c, blob.h, block-sha1/sha1.c, block-sha1/sha1.h, bloom.c, bloom.h, branch.c, branch.h, builtin.h, bundle-uri.c, bundle-uri.h, bundle.c, bundle.h, cache-tree.c, cache-tree.h, cbtree.c, cbtree.h, chdir-notify.c, chdir-notify.h, checkout.c, checkout.h, chunk-format.c, chunk-format.h, color.c, color.h, column.c, column.h, combine-diff.c, commit-graph.c, commit-graph.h, commit-reach.c, commit-reach.h, commit-slab-decl.h, commit-slab-impl.h, commit-slab.h, commit.c, commit.h, common-exit.c, common-init.c, common-init.h, compat/.gitattributes, compat/access.c, compat/apple-common-crypto.h, compat/basename.c, compat/bswap.h, compat/compiler.h, compat/darwin/procinfo.c, compat/disk.h, compat/fileno.c, compat/fopen.c, compat/fsmonitor/fsm-darwin-gcc.h, compat/fsmonitor/fsm-health-darwin.c, compat/fsmonitor/fsm-health-linux.c, compat/fsmonitor/fsm-health-win32.c, compat/fsmonitor/fsm-health.h, compat/fsmonitor/fsm-ipc-unix.c, compat/fsmonitor/fsm-ipc-win32.c, compat/fsmonitor/fsm-listen-darwin.c, compat/fsmonitor/fsm-listen-linux.c, compat/fsmonitor/fsm-listen-win32.c, compat/fsmonitor/fsm-listen.h, compat/fsmonitor/fsm-path-utils-darwin.c, compat/fsmonitor/fsm-path-utils-linux.c, compat/fsmonitor/fsm-path-utils-win32.c, compat/fsmonitor/fsm-settings-unix.c, compat/fsmonitor/fsm-settings-win32.c, compat/hstrerror.c, compat/inet_ntop.c, compat/inet_pton.c, compat/linux/procinfo.c, compat/memmem.c, compat/mingw-posix.h, compat/mingw.c, compat/mingw.h, compat/mkdir.c, compat/mmap.c, compat/msvc-posix.h, compat/msvc.c, compat/msvc.h, compat/nonblock.c, compat/nonblock.h, compat/obstack.c, compat/obstack.h, compat/open.c, compat/poll/poll.c, compat/poll/poll.h, compat/posix.h, compat/pread.c, compat/precompose_utf8.c, compat/precompose_utf8.h, compat/qsort_s.c, compat/regcomp_enhanced.c, compat/regex/regcomp.c, compat/regex/regex.c, compat/regex/regex.h, compat/regex/regex_internal.c, compat/regex/regex_internal.h, compat/regex/regexec.c, compat/setenv.c, compat/sha1-chunked.c, compat/sha1-chunked.h, compat/simple-ipc/ipc-shared.c, compat/simple-ipc/ipc-unix-socket.c, compat/simple-ipc/ipc-win32.c, compat/snprintf.c, compat/stat.c, compat/strcasestr.c, compat/strdup.c, compat/strlcpy.c, compat/strtoimax.c, compat/strtoumax.c, compat/stub/procinfo.c, compat/terminal.c, compat/terminal.h, compat/unsetenv.c, compat/vcbuild/.gitignore, compat/vcbuild/README, lib/compat/vcbuild/README, compat/vcbuild/find_vs_env.bat, lib/compat/vcbuild/find_vs_env.bat, compat/vcbuild/include/sys/param.h, compat/vcbuild/include/sys/time.h, compat/vcbuild/include/sys/utime.h, compat/vcbuild/include/unistd.h, compat/vcbuild/include/utime.h, compat/vcbuild/scripts/clink.pl, compat/vcbuild/scripts/lib.pl, compat/vcbuild/vcpkg_copy_dlls.bat, compat/vcbuild/vcpkg_install.bat, lib/compat/vcbuild/vcpkg_install.bat, compat/win32.h, compat/win32/alloca.h, compat/win32/dirent.c, compat/win32/dirent.h, compat/win32/exit-process.h, compat/win32/flush.c, compat/win32/git.manifest, compat/win32/headless.c, compat/win32/lazyload.h, compat/win32/path-utils.c, compat/win32/path-utils.h, compat/win32/pthread.c, compat/win32/pthread.h, compat/win32/syslog.c, compat/win32/syslog.h, compat/win32/trace2_win32_process_info.c, compat/win32mmap.c, compat/winansi.c, compat/zlib-compat.h, compiler-tricks/not-constant.c, config.c, config.h, connect.c, connect.h, connected.c, connected.h, convert.c, convert.h, copy.c, copy.h, credential.c, credential.h, csum-file.c, csum-file.h, ctype.c, date.c, date.h, decorate.c, decorate.h, delta-islands.c, delta-islands.h, delta.h, diagnose.c, diagnose.h, diff-delta.c, diff-lib.c, diff-merges.c, diff-merges.h, diff-no-index.c, diff.c, diff.h, diffcore-break.c, diffcore-delta.c, diffcore-order.c, diffcore-pickaxe.c, diffcore-rename.c, diffcore-rotate.c, diffcore.h, dir-iterator.c, dir-iterator.h, dir.c, dir.h, editor.c, editor.h, entry.c, entry.h, environment.c, environment.h, ewah/bitmap.c, ewah/ewah_bitmap.c, ewah/ewah_io.c, ewah/ewah_rlw.c, ewah/ewok.h, ewah/ewok_rlw.h, exec-cmd.c, exec-cmd.h, fetch-negotiator.c, fetch-negotiator.h, fetch-pack.c, fetch-pack.h, fmt-merge-msg.c, fmt-merge-msg.h, for-each-ref.h, fsck.c, fsck.h, fsmonitor--daemon.h, fsmonitor-ipc.c, fsmonitor-ipc.h, fsmonitor-ll.h, fsmonitor-path-utils.h, fsmonitor-settings.c, fsmonitor-settings.h, fsmonitor.c, fsmonitor.h, gettext.c, gettext.h, git-compat-util.h, git-curl-compat.h, git-zlib.c, git-zlib.h, gpg-interface.c, gpg-interface.h, graph.c, graph.h, grep.c, grep.h, hash-lookup.c, hash-lookup.h, hash.c, hash.h, hashmap.c, hashmap.h, help.c, help.h, hex-ll.c, hex-ll.h, hex.c, hex.h, hook.c, hook.h, http-walker.c, http.c, http.h, ident.c, ident.h, iterator.h, json-writer.c, json-writer.h, khash.h, kwset.c, kwset.h, levenshtein.c, levenshtein.h, line-log.c, line-log.h, line-range.c, line-range.h, linear-assignment.c, linear-assignment.h, list-objects-filter-options.c, list-objects-filter-options.h, list-objects-filter.c, list-objects-filter.h, list-objects.c, list-objects.h, list.h, lockfile.c, lockfile.h, log-tree.c, log-tree.h, loose.c, loose.h, ls-refs.c, ls-refs.h, mailinfo.c, mailinfo.h, mailmap.c, mailmap.h, match-trees.c, match-trees.h, mem-pool.c, mem-pool.h, merge-blobs.c, merge-blobs.h, merge-ll.c, merge-ll.h, merge-ort-wrappers.c, merge-ort-wrappers.h, merge-ort.c, merge-ort.h, merge.c, merge.h, mergesort.h, midx-write.c, midx.c, midx.h, name-hash.c, name-hash.h, negotiator/default.c, negotiator/default.h, negotiator/noop.c, negotiator/noop.h, negotiator/skipping.c, negotiator/skipping.h, notes-cache.c, notes-cache.h, notes-merge.c, notes-merge.h, notes-utils.c, notes-utils.h, notes.c, notes.h, object-file-convert.c, object-file-convert.h, object-file.c, object-file.h, object-name.c, object-name.h, object.c, object.h, odb.c, odb.h, odb/source-files.c, odb/source-files.h, odb/source-inmemory.c, odb/source-inmemory.h, odb/source-loose.c, odb/source-loose.h, odb/source-packed.c, odb/source-packed.h, odb/source.c, odb/source.h, odb/streaming.c, odb/streaming.h, odb/transaction.c, odb/transaction.h, oid-array.c, oid-array.h, oidmap.c, oidmap.h, oidset.c, oidset.h, oidtree.c, oidtree.h, pack-bitmap-write.c, pack-bitmap.c, pack-bitmap.h, pack-check.c, pack-mtimes.c, pack-mtimes.h, pack-objects.c, pack-objects.h, pack-refs.c, pack-refs.h, pack-revindex.c, pack-revindex.h, pack-write.c, pack.h, packfile-list.c, packfile-list.h, packfile.c, packfile.h, pager.c, pager.h, parallel-checkout.c, parallel-checkout.h, parse-options-cb.c, parse-options.c, parse-options.h, parse.c, parse.h, patch-delta.c, patch-ids.c, patch-ids.h, path-walk.c, path-walk.h, path.c, path.h, pathspec.c, pathspec.h, pkt-line.c, pkt-line.h, preload-index.c, preload-index.h, pretty.c, pretty.h, prio-queue.c, prio-queue.h, progress.c, progress.h, promisor-remote.c, promisor-remote.h, prompt.c, prompt.h, protocol-caps.c, protocol-caps.h, protocol.c, protocol.h, prune-packed.c, prune-packed.h, pseudo-merge.c, pseudo-merge.h, quote.c, quote.h, range-diff.c, range-diff.h, reachable.c, reachable.h, read-cache-ll.h, read-cache.c, read-cache.h, rebase-interactive.c, rebase-interactive.h, rebase.c, rebase.h, ref-filter.c, ref-filter.h, reflog-walk.c, reflog-walk.h, reflog.c, reflog.h, refs.c, refs.h, refs/debug.c, refs/files-backend.c, refs/iterator.c, refs/packed-backend.c, refs/packed-backend.h, refs/ref-cache.c, refs/ref-cache.h, refs/refs-internal.h, refs/reftable-backend.c, refspec.c, refspec.h, reftable/LICENSE, reftable/basics.c, reftable/basics.h, reftable/block.c, reftable/block.h, reftable/blocksource.c, reftable/blocksource.h, reftable/constants.h, reftable/error.c, reftable/fsck.c, reftable/iter.c, reftable/iter.h, reftable/merged.c, reftable/merged.h, reftable/pq.c, reftable/pq.h, reftable/record.c, reftable/record.h, reftable/reftable-basics.h, reftable/reftable-block.h, reftable/reftable-blocksource.h, reftable/reftable-constants.h, reftable/reftable-error.h, reftable/reftable-fsck.h, reftable/reftable-iterator.h, reftable/reftable-merged.h, reftable/reftable-record.h, reftable/reftable-stack.h, reftable/reftable-system.h, reftable/reftable-table.h, reftable/reftable-writer.h, reftable/stack.c, reftable/stack.h, reftable/system.c, reftable/system.h, reftable/table.c, reftable/table.h, reftable/tree.c, reftable/tree.h, reftable/writer.c, reftable/writer.h, remote.c, remote.h, repack-cruft.c, repack-filtered.c, repack-geometry.c, repack-midx.c, repack-promisor.c, repack.c, repack.h, replace-object.c, replace-object.h, replay.c, replay.h, repo-settings.c, repo-settings.h, repository.c, repository.h, rerere.c, rerere.h, reset.c, reset.h, resolve-undo.c, resolve-undo.h, revision.c, revision.h, run-command.c, run-command.h, sane-ctype.h, send-pack.c, send-pack.h, sequencer.c, sequencer.h, serve.c, serve.h, server-info.c, server-info.h, setup.c, setup.h, sha1/openssl.h, sha1collisiondetection, sha1dc/.gitattributes, sha1dc/LICENSE.txt, sha1dc/sha1.c, sha1dc/sha1.h, sha1dc/ubc_check.c, sha1dc/ubc_check.h, sha1dc_git.c, sha1dc_git.h, sha256/block/sha256.c, sha256/block/sha256.h, sha256/gcrypt.h, sha256/nettle.h, sha256/openssl.h, shallow.c, shallow.h, shortlog.h, sideband.c, sideband.h, sigchain.c, sigchain.h, simple-ipc.h, sparse-index.c, sparse-index.h, split-index.c, split-index.h, stable-qsort.c, statinfo.c, statinfo.h, strbuf.c, strbuf.h, string-list.c, string-list.h, strmap.c, strmap.h, strvec.c, strvec.h, sub-process.c, sub-process.h, submodule-config.c, submodule-config.h, submodule.c, submodule.h, symlinks.c, symlinks.h, tag.c, tag.h, tar.h, tempfile.c, tempfile.h, thread-utils.c, thread-utils.h, tmp-objdir.c, tmp-objdir.h, trace.c, trace.h, trace2.c, trace2.h, trace2/tr2_cfg.c, trace2/tr2_cfg.h, trace2/tr2_cmd_name.c, trace2/tr2_cmd_name.h, trace2/tr2_ctr.c, trace2/tr2_ctr.h, trace2/tr2_dst.c, trace2/tr2_dst.h, trace2/tr2_sid.c, trace2/tr2_sid.h, trace2/tr2_sysenv.c, trace2/tr2_sysenv.h, trace2/tr2_tbuf.c, trace2/tr2_tbuf.h, trace2/tr2_tgt.h, trace2/tr2_tgt_event.c, trace2/tr2_tgt_normal.c, trace2/tr2_tgt_perf.c, trace2/tr2_tls.c, trace2/tr2_tls.h, trace2/tr2_tmr.c, trace2/tr2_tmr.h, trailer.c, trailer.h, transport-helper.c, transport-internal.h, transport.c, transport.h, tree-diff.c, tree-walk.c, tree-walk.h, tree.c, tree.h, unicode-width.h, unix-socket.c, unix-socket.h, unix-stream-server.c, unix-stream-server.h, unpack-trees.c, unpack-trees.h, upload-pack.c, upload-pack.h, url.c, url.h, urlmatch.c, urlmatch.h, usage.c, userdiff.c, userdiff.h, utf8.c, utf8.h, varint.c, varint.h, version-def.h.in, version.c, version.h, versioncmp.c, versioncmp.h, walker.c, walker.h, wildmatch.c, wildmatch.h, worktree.c, worktree.h, wrapper.c, wrapper.h, write-or-die.c, write-or-die.h, ws.c, ws.h, wt-status.c, wt-status.h, xdiff-interface.c, xdiff-interface.h, xdiff/xdiff.h, xdiff/xdiffi.c, xdiff/xdiffi.h, xdiff/xemit.c, xdiff/xemit.h, xdiff/xhistogram.c, xdiff/xinclude.h, xdiff/xmacros.h, xdiff/xmerge.c, xdiff/xpatience.c, xdiff/xprepare.c, xdiff/xprepare.h, xdiff/xtypes.h, xdiff/xutils.c, xdiff/xutils.h, meson.build

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index cf341d74db..a8402babd9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -179,7 +179,7 @@ jobs:
       uses: actions/checkout@v6
       with:
         repository: 'microsoft/vcpkg'
-        path: 'compat/vcbuild/vcpkg'
+        path: 'lib/compat/vcbuild/vcpkg'
     - name: download vcpkg artifacts
       uses: git-for-windows/get-azure-pipelines-artifact@v0
       with:
@@ -189,11 +189,11 @@ jobs:
       uses: microsoft/setup-msbuild@v3
     - name: copy dlls to root
       shell: cmd
-      run: compat\vcbuild\vcpkg_copy_dlls.bat release
+      run: lib\compat\vcbuild\vcpkg_copy_dlls.bat release
     - name: generate Visual Studio solution
       shell: bash
       run: |
-        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/compat/vcbuild/vcpkg/installed/x64-windows \
+        cmake `pwd`/contrib/buildsystems/ -DCMAKE_PREFIX_PATH=`pwd`/lib/compat/vcbuild/vcpkg/installed/x64-windows \
         -DNO_GETTEXT=YesPlease -DPERL_TESTS=OFF -DPYTHON_TESTS=OFF -DCURL_NO_CURL_CMAKE=ON
     - name: MSBuild
       run: msbuild git.sln -property:Configuration=Release -property:Platform=x64 -maxCpuCount:4 -property:PlatformToolset=v142
@@ -201,7 +201,7 @@ jobs:
       shell: bash
       env:
         MSVC: 1
-        VCPKG_ROOT: ${{github.workspace}}\compat\vcbuild\vcpkg
+        VCPKG_ROOT: ${{github.workspace}}\lib\compat\vcbuild\vcpkg
       run: |
         mkdir -p artifacts &&
         eval "$(make -n artifacts-tar INCLUDE_DLLS_IN_ARTIFACTS=YesPlease ARTIFACTS_DIRECTORY=artifacts NO_GETTEXT=YesPlease 2>&1 | grep ^tar)"
diff --git a/.gitmodules b/.gitmodules
index cbeebdab7a..8bafb8bb49 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,4 +1,4 @@
 [submodule "sha1collisiondetection"]
-	path = sha1collisiondetection
+	path = lib/sha1collisiondetection
 	url = https://github.com/cr-marcstevens/sha1collisiondetection.git
 	branch = master
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 2699f0b24a..c4fd5a5c87 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -505,10 +505,10 @@ lint-docs-man-section-order: $(LINT_DOCS_MAN_SECTION_ORDER)
 .PHONY: lint-docs-fsck-msgids
 LINT_DOCS_FSCK_MSGIDS = .build/lint-docs/fsck-msgids.ok
 $(LINT_DOCS_FSCK_MSGIDS): lint-fsck-msgids.perl
-$(LINT_DOCS_FSCK_MSGIDS): ../fsck.h fsck-msgids.adoc
+$(LINT_DOCS_FSCK_MSGIDS): ../lib/fsck.h fsck-msgids.adoc
 	$(call mkdir_p_parent_template)
 	$(QUIET_GEN)$(PERL_PATH) lint-fsck-msgids.perl \
-		../fsck.h fsck-msgids.adoc $@
+		../lib/fsck.h fsck-msgids.adoc $@
 lint-docs-fsck-msgids: $(LINT_DOCS_FSCK_MSGIDS)
 
 ## Lint: delimited sections
diff --git a/Makefile b/Makefile
index 1f3f099f5c..4afe497ab3 100644
--- a/Makefile
+++ b/Makefile
@@ -967,7 +967,7 @@ endif
 CFLAGS = -g -O2 -Wall
 LDFLAGS =
 CC_LD_DYNPATH = -Wl,-rpath,
-BASIC_CFLAGS = -I.
+BASIC_CFLAGS = -I. -Ilib
 BASIC_LDFLAGS =
 
 # library flags
@@ -992,7 +992,7 @@ SANITIZE_LEAK =
 SANITIZE_ADDRESS =
 
 # For the 'coccicheck' target
-SPATCH_INCLUDE_FLAGS = --all-includes $(addprefix -I ,compat ewah refs sha256 trace2 win32 xdiff)
+SPATCH_INCLUDE_FLAGS = --all-includes $(addprefix -I lib/,compat ewah refs sha256 trace2 win32 xdiff)
 SPATCH_FLAGS =
 SPATCH_TEST_FLAGS =
 
@@ -1083,297 +1083,297 @@ FOUND_SOURCE_FILES := $(filter-out $(GENERATED_H),$(shell $(SOURCES_CMD)))
 FOUND_C_SOURCES = $(filter %.c,$(FOUND_SOURCE_FILES))
 FOUND_H_SOURCES = $(filter %.h,$(FOUND_SOURCE_FILES))
 
-COCCI_SOURCES = $(filter-out $(THIRD_PARTY_SOURCES) reftable/%,$(FOUND_C_SOURCES))
+COCCI_SOURCES = $(filter-out $(THIRD_PARTY_SOURCES) lib/reftable/%,$(FOUND_C_SOURCES))
 
 LIB_H = $(FOUND_H_SOURCES)
 
-LIB_OBJS += abspath.o
-LIB_OBJS += add-interactive.o
-LIB_OBJS += add-patch.o
-LIB_OBJS += advice.o
-LIB_OBJS += alias.o
-LIB_OBJS += alloc.o
-LIB_OBJS += apply.o
-LIB_OBJS += archive-tar.o
-LIB_OBJS += archive-zip.o
-LIB_OBJS += archive.o
-LIB_OBJS += attr.o
-LIB_OBJS += base85.o
-LIB_OBJS += bisect.o
-LIB_OBJS += blame.o
-LIB_OBJS += blob.o
-LIB_OBJS += bloom.o
-LIB_OBJS += branch.o
-LIB_OBJS += bundle-uri.o
-LIB_OBJS += bundle.o
-LIB_OBJS += cache-tree.o
-LIB_OBJS += cbtree.o
-LIB_OBJS += chdir-notify.o
-LIB_OBJS += checkout.o
-LIB_OBJS += chunk-format.o
-LIB_OBJS += color.o
-LIB_OBJS += column.o
-LIB_OBJS += combine-diff.o
-LIB_OBJS += commit-graph.o
-LIB_OBJS += commit-reach.o
-LIB_OBJS += commit.o
-LIB_OBJS += common-exit.o
-LIB_OBJS += common-init.o
-LIB_OBJS += compat/nonblock.o
-LIB_OBJS += compat/obstack.o
-LIB_OBJS += compat/open.o
-LIB_OBJS += compat/terminal.o
-LIB_OBJS += compiler-tricks/not-constant.o
-LIB_OBJS += config.o
-LIB_OBJS += connect.o
-LIB_OBJS += connected.o
-LIB_OBJS += convert.o
-LIB_OBJS += copy.o
-LIB_OBJS += credential.o
-LIB_OBJS += csum-file.o
-LIB_OBJS += ctype.o
-LIB_OBJS += date.o
-LIB_OBJS += decorate.o
-LIB_OBJS += delta-islands.o
-LIB_OBJS += diagnose.o
-LIB_OBJS += diff-delta.o
-LIB_OBJS += diff-merges.o
-LIB_OBJS += diff-lib.o
-LIB_OBJS += diff-no-index.o
-LIB_OBJS += diff.o
-LIB_OBJS += diffcore-break.o
-LIB_OBJS += diffcore-delta.o
-LIB_OBJS += diffcore-order.o
-LIB_OBJS += diffcore-pickaxe.o
-LIB_OBJS += diffcore-rename.o
-LIB_OBJS += diffcore-rotate.o
-LIB_OBJS += dir-iterator.o
-LIB_OBJS += dir.o
-LIB_OBJS += editor.o
-LIB_OBJS += entry.o
-LIB_OBJS += environment.o
-LIB_OBJS += ewah/bitmap.o
-LIB_OBJS += ewah/ewah_bitmap.o
-LIB_OBJS += ewah/ewah_io.o
-LIB_OBJS += ewah/ewah_rlw.o
-LIB_OBJS += exec-cmd.o
-LIB_OBJS += fetch-negotiator.o
-LIB_OBJS += fetch-pack.o
-LIB_OBJS += fmt-merge-msg.o
-LIB_OBJS += fsck.o
-LIB_OBJS += fsmonitor.o
-LIB_OBJS += fsmonitor-ipc.o
-LIB_OBJS += fsmonitor-settings.o
-LIB_OBJS += gettext.o
-LIB_OBJS += git-zlib.o
-LIB_OBJS += gpg-interface.o
-LIB_OBJS += graph.o
-LIB_OBJS += grep.o
-LIB_OBJS += hash-lookup.o
-LIB_OBJS += hash.o
-LIB_OBJS += hashmap.o
-LIB_OBJS += help.o
-LIB_OBJS += hex.o
-LIB_OBJS += hex-ll.o
-LIB_OBJS += hook.o
-LIB_OBJS += ident.o
-LIB_OBJS += json-writer.o
-LIB_OBJS += kwset.o
-LIB_OBJS += levenshtein.o
-LIB_OBJS += line-log.o
-LIB_OBJS += line-range.o
-LIB_OBJS += linear-assignment.o
-LIB_OBJS += list-objects-filter-options.o
-LIB_OBJS += list-objects-filter.o
-LIB_OBJS += list-objects.o
-LIB_OBJS += lockfile.o
-LIB_OBJS += log-tree.o
-LIB_OBJS += loose.o
-LIB_OBJS += ls-refs.o
-LIB_OBJS += mailinfo.o
-LIB_OBJS += mailmap.o
-LIB_OBJS += match-trees.o
-LIB_OBJS += mem-pool.o
-LIB_OBJS += merge-blobs.o
-LIB_OBJS += merge-ll.o
-LIB_OBJS += merge-ort.o
-LIB_OBJS += merge-ort-wrappers.o
-LIB_OBJS += merge.o
-LIB_OBJS += midx.o
-LIB_OBJS += midx-write.o
-LIB_OBJS += name-hash.o
-LIB_OBJS += negotiator/default.o
-LIB_OBJS += negotiator/noop.o
-LIB_OBJS += negotiator/skipping.o
-LIB_OBJS += notes-cache.o
-LIB_OBJS += notes-merge.o
-LIB_OBJS += notes-utils.o
-LIB_OBJS += notes.o
-LIB_OBJS += object-file-convert.o
-LIB_OBJS += object-file.o
-LIB_OBJS += object-name.o
-LIB_OBJS += object.o
-LIB_OBJS += odb.o
-LIB_OBJS += odb/source.o
-LIB_OBJS += odb/source-files.o
-LIB_OBJS += odb/source-inmemory.o
-LIB_OBJS += odb/source-loose.o
-LIB_OBJS += odb/source-packed.o
-LIB_OBJS += odb/streaming.o
-LIB_OBJS += odb/transaction.o
-LIB_OBJS += oid-array.o
-LIB_OBJS += oidmap.o
-LIB_OBJS += oidset.o
-LIB_OBJS += oidtree.o
-LIB_OBJS += pack-bitmap-write.o
-LIB_OBJS += pack-bitmap.o
-LIB_OBJS += pack-check.o
-LIB_OBJS += pack-mtimes.o
-LIB_OBJS += pack-objects.o
-LIB_OBJS += pack-refs.o
-LIB_OBJS += pack-revindex.o
-LIB_OBJS += pack-write.o
-LIB_OBJS += packfile.o
-LIB_OBJS += packfile-list.o
-LIB_OBJS += pager.o
-LIB_OBJS += parallel-checkout.o
-LIB_OBJS += parse.o
-LIB_OBJS += parse-options-cb.o
-LIB_OBJS += parse-options.o
-LIB_OBJS += patch-delta.o
-LIB_OBJS += patch-ids.o
-LIB_OBJS += path.o
-LIB_OBJS += path-walk.o
-LIB_OBJS += pathspec.o
-LIB_OBJS += pkt-line.o
-LIB_OBJS += preload-index.o
-LIB_OBJS += pretty.o
-LIB_OBJS += prio-queue.o
-LIB_OBJS += progress.o
-LIB_OBJS += promisor-remote.o
-LIB_OBJS += prompt.o
-LIB_OBJS += protocol.o
-LIB_OBJS += protocol-caps.o
-LIB_OBJS += prune-packed.o
-LIB_OBJS += pseudo-merge.o
-LIB_OBJS += quote.o
-LIB_OBJS += range-diff.o
-LIB_OBJS += reachable.o
-LIB_OBJS += read-cache.o
-LIB_OBJS += rebase-interactive.o
-LIB_OBJS += rebase.o
-LIB_OBJS += ref-filter.o
-LIB_OBJS += reflog-walk.o
-LIB_OBJS += reflog.o
-LIB_OBJS += refs.o
-LIB_OBJS += refs/debug.o
-LIB_OBJS += refs/files-backend.o
-LIB_OBJS += refs/reftable-backend.o
-LIB_OBJS += refs/iterator.o
-LIB_OBJS += refs/packed-backend.o
-LIB_OBJS += refs/ref-cache.o
-LIB_OBJS += refspec.o
-LIB_OBJS += reftable/basics.o
-LIB_OBJS += reftable/block.o
-LIB_OBJS += reftable/blocksource.o
-LIB_OBJS += reftable/error.o
-LIB_OBJS += reftable/fsck.o
-LIB_OBJS += reftable/iter.o
-LIB_OBJS += reftable/merged.o
-LIB_OBJS += reftable/pq.o
-LIB_OBJS += reftable/record.o
-LIB_OBJS += reftable/stack.o
-LIB_OBJS += reftable/system.o
-LIB_OBJS += reftable/table.o
-LIB_OBJS += reftable/tree.o
-LIB_OBJS += reftable/writer.o
-LIB_OBJS += remote.o
-LIB_OBJS += repack.o
-LIB_OBJS += repack-cruft.o
-LIB_OBJS += repack-filtered.o
-LIB_OBJS += repack-geometry.o
-LIB_OBJS += repack-midx.o
-LIB_OBJS += repack-promisor.o
-LIB_OBJS += replace-object.o
-LIB_OBJS += replay.o
-LIB_OBJS += repo-settings.o
-LIB_OBJS += repository.o
-LIB_OBJS += rerere.o
-LIB_OBJS += reset.o
-LIB_OBJS += resolve-undo.o
-LIB_OBJS += revision.o
-LIB_OBJS += run-command.o
-LIB_OBJS += send-pack.o
-LIB_OBJS += sequencer.o
-LIB_OBJS += serve.o
-LIB_OBJS += server-info.o
-LIB_OBJS += setup.o
-LIB_OBJS += shallow.o
-LIB_OBJS += sideband.o
-LIB_OBJS += sigchain.o
-LIB_OBJS += sparse-index.o
-LIB_OBJS += split-index.o
-LIB_OBJS += stable-qsort.o
-LIB_OBJS += statinfo.o
-LIB_OBJS += strbuf.o
-LIB_OBJS += string-list.o
-LIB_OBJS += strmap.o
-LIB_OBJS += strvec.o
-LIB_OBJS += sub-process.o
-LIB_OBJS += submodule-config.o
-LIB_OBJS += submodule.o
-LIB_OBJS += symlinks.o
-LIB_OBJS += tag.o
-LIB_OBJS += tempfile.o
-LIB_OBJS += thread-utils.o
-LIB_OBJS += tmp-objdir.o
-LIB_OBJS += trace.o
-LIB_OBJS += trace2.o
-LIB_OBJS += trace2/tr2_cfg.o
-LIB_OBJS += trace2/tr2_cmd_name.o
-LIB_OBJS += trace2/tr2_ctr.o
-LIB_OBJS += trace2/tr2_dst.o
-LIB_OBJS += trace2/tr2_sid.o
-LIB_OBJS += trace2/tr2_sysenv.o
-LIB_OBJS += trace2/tr2_tbuf.o
-LIB_OBJS += trace2/tr2_tgt_event.o
-LIB_OBJS += trace2/tr2_tgt_normal.o
-LIB_OBJS += trace2/tr2_tgt_perf.o
-LIB_OBJS += trace2/tr2_tls.o
-LIB_OBJS += trace2/tr2_tmr.o
-LIB_OBJS += trailer.o
-LIB_OBJS += transport-helper.o
-LIB_OBJS += transport.o
-LIB_OBJS += tree-diff.o
-LIB_OBJS += tree-walk.o
-LIB_OBJS += tree.o
-LIB_OBJS += unpack-trees.o
-LIB_OBJS += upload-pack.o
-LIB_OBJS += url.o
-LIB_OBJS += urlmatch.o
-LIB_OBJS += usage.o
-LIB_OBJS += userdiff.o
-LIB_OBJS += utf8.o
+LIB_OBJS += lib/abspath.o
+LIB_OBJS += lib/add-interactive.o
+LIB_OBJS += lib/add-patch.o
+LIB_OBJS += lib/advice.o
+LIB_OBJS += lib/alias.o
+LIB_OBJS += lib/alloc.o
+LIB_OBJS += lib/apply.o
+LIB_OBJS += lib/archive-tar.o
+LIB_OBJS += lib/archive-zip.o
+LIB_OBJS += lib/archive.o
+LIB_OBJS += lib/attr.o
+LIB_OBJS += lib/base85.o
+LIB_OBJS += lib/bisect.o
+LIB_OBJS += lib/blame.o
+LIB_OBJS += lib/blob.o
+LIB_OBJS += lib/bloom.o
+LIB_OBJS += lib/branch.o
+LIB_OBJS += lib/bundle-uri.o
+LIB_OBJS += lib/bundle.o
+LIB_OBJS += lib/cache-tree.o
+LIB_OBJS += lib/cbtree.o
+LIB_OBJS += lib/chdir-notify.o
+LIB_OBJS += lib/checkout.o
+LIB_OBJS += lib/chunk-format.o
+LIB_OBJS += lib/color.o
+LIB_OBJS += lib/column.o
+LIB_OBJS += lib/combine-diff.o
+LIB_OBJS += lib/commit-graph.o
+LIB_OBJS += lib/commit-reach.o
+LIB_OBJS += lib/commit.o
+LIB_OBJS += lib/common-exit.o
+LIB_OBJS += lib/common-init.o
+LIB_OBJS += lib/compat/nonblock.o
+LIB_OBJS += lib/compat/obstack.o
+LIB_OBJS += lib/compat/open.o
+LIB_OBJS += lib/compat/terminal.o
+LIB_OBJS += lib/compiler-tricks/not-constant.o
+LIB_OBJS += lib/config.o
+LIB_OBJS += lib/connect.o
+LIB_OBJS += lib/connected.o
+LIB_OBJS += lib/convert.o
+LIB_OBJS += lib/copy.o
+LIB_OBJS += lib/credential.o
+LIB_OBJS += lib/csum-file.o
+LIB_OBJS += lib/ctype.o
+LIB_OBJS += lib/date.o
+LIB_OBJS += lib/decorate.o
+LIB_OBJS += lib/delta-islands.o
+LIB_OBJS += lib/diagnose.o
+LIB_OBJS += lib/diff-delta.o
+LIB_OBJS += lib/diff-merges.o
+LIB_OBJS += lib/diff-lib.o
+LIB_OBJS += lib/diff-no-index.o
+LIB_OBJS += lib/diff.o
+LIB_OBJS += lib/diffcore-break.o
+LIB_OBJS += lib/diffcore-delta.o
+LIB_OBJS += lib/diffcore-order.o
+LIB_OBJS += lib/diffcore-pickaxe.o
+LIB_OBJS += lib/diffcore-rename.o
+LIB_OBJS += lib/diffcore-rotate.o
+LIB_OBJS += lib/dir-iterator.o
+LIB_OBJS += lib/dir.o
+LIB_OBJS += lib/editor.o
+LIB_OBJS += lib/entry.o
+LIB_OBJS += lib/environment.o
+LIB_OBJS += lib/ewah/bitmap.o
+LIB_OBJS += lib/ewah/ewah_bitmap.o
+LIB_OBJS += lib/ewah/ewah_io.o
+LIB_OBJS += lib/ewah/ewah_rlw.o
+LIB_OBJS += lib/exec-cmd.o
+LIB_OBJS += lib/fetch-negotiator.o
+LIB_OBJS += lib/fetch-pack.o
+LIB_OBJS += lib/fmt-merge-msg.o
+LIB_OBJS += lib/fsck.o
+LIB_OBJS += lib/fsmonitor.o
+LIB_OBJS += lib/fsmonitor-ipc.o
+LIB_OBJS += lib/fsmonitor-settings.o
+LIB_OBJS += lib/gettext.o
+LIB_OBJS += lib/git-zlib.o
+LIB_OBJS += lib/gpg-interface.o
+LIB_OBJS += lib/graph.o
+LIB_OBJS += lib/grep.o
+LIB_OBJS += lib/hash-lookup.o
+LIB_OBJS += lib/hash.o
+LIB_OBJS += lib/hashmap.o
+LIB_OBJS += lib/help.o
+LIB_OBJS += lib/hex.o
+LIB_OBJS += lib/hex-ll.o
+LIB_OBJS += lib/hook.o
+LIB_OBJS += lib/ident.o
+LIB_OBJS += lib/json-writer.o
+LIB_OBJS += lib/kwset.o
+LIB_OBJS += lib/levenshtein.o
+LIB_OBJS += lib/line-log.o
+LIB_OBJS += lib/line-range.o
+LIB_OBJS += lib/linear-assignment.o
+LIB_OBJS += lib/list-objects-filter-options.o
+LIB_OBJS += lib/list-objects-filter.o
+LIB_OBJS += lib/list-objects.o
+LIB_OBJS += lib/lockfile.o
+LIB_OBJS += lib/log-tree.o
+LIB_OBJS += lib/loose.o
+LIB_OBJS += lib/ls-refs.o
+LIB_OBJS += lib/mailinfo.o
+LIB_OBJS += lib/mailmap.o
+LIB_OBJS += lib/match-trees.o
+LIB_OBJS += lib/mem-pool.o
+LIB_OBJS += lib/merge-blobs.o
+LIB_OBJS += lib/merge-ll.o
+LIB_OBJS += lib/merge-ort.o
+LIB_OBJS += lib/merge-ort-wrappers.o
+LIB_OBJS += lib/merge.o
+LIB_OBJS += lib/midx.o
+LIB_OBJS += lib/midx-write.o
+LIB_OBJS += lib/name-hash.o
+LIB_OBJS += lib/negotiator/default.o
+LIB_OBJS += lib/negotiator/noop.o
+LIB_OBJS += lib/negotiator/skipping.o
+LIB_OBJS += lib/notes-cache.o
+LIB_OBJS += lib/notes-merge.o
+LIB_OBJS += lib/notes-utils.o
+LIB_OBJS += lib/notes.o
+LIB_OBJS += lib/object-file-convert.o
+LIB_OBJS += lib/object-file.o
+LIB_OBJS += lib/object-name.o
+LIB_OBJS += lib/object.o
+LIB_OBJS += lib/odb.o
+LIB_OBJS += lib/odb/source.o
+LIB_OBJS += lib/odb/source-files.o
+LIB_OBJS += lib/odb/source-inmemory.o
+LIB_OBJS += lib/odb/source-loose.o
+LIB_OBJS += lib/odb/source-packed.o
+LIB_OBJS += lib/odb/streaming.o
+LIB_OBJS += lib/odb/transaction.o
+LIB_OBJS += lib/oid-array.o
+LIB_OBJS += lib/oidmap.o
+LIB_OBJS += lib/oidset.o
+LIB_OBJS += lib/oidtree.o
+LIB_OBJS += lib/pack-bitmap-write.o
+LIB_OBJS += lib/pack-bitmap.o
+LIB_OBJS += lib/pack-check.o
+LIB_OBJS += lib/pack-mtimes.o
+LIB_OBJS += lib/pack-objects.o
+LIB_OBJS += lib/pack-refs.o
+LIB_OBJS += lib/pack-revindex.o
+LIB_OBJS += lib/pack-write.o
+LIB_OBJS += lib/packfile.o
+LIB_OBJS += lib/packfile-list.o
+LIB_OBJS += lib/pager.o
+LIB_OBJS += lib/parallel-checkout.o
+LIB_OBJS += lib/parse.o
+LIB_OBJS += lib/parse-options-cb.o
+LIB_OBJS += lib/parse-options.o
+LIB_OBJS += lib/patch-delta.o
+LIB_OBJS += lib/patch-ids.o
+LIB_OBJS += lib/path.o
+LIB_OBJS += lib/path-walk.o
+LIB_OBJS += lib/pathspec.o
+LIB_OBJS += lib/pkt-line.o
+LIB_OBJS += lib/preload-index.o
+LIB_OBJS += lib/pretty.o
+LIB_OBJS += lib/prio-queue.o
+LIB_OBJS += lib/progress.o
+LIB_OBJS += lib/promisor-remote.o
+LIB_OBJS += lib/prompt.o
+LIB_OBJS += lib/protocol.o
+LIB_OBJS += lib/protocol-caps.o
+LIB_OBJS += lib/prune-packed.o
+LIB_OBJS += lib/pseudo-merge.o
+LIB_OBJS += lib/quote.o
+LIB_OBJS += lib/range-diff.o
+LIB_OBJS += lib/reachable.o
+LIB_OBJS += lib/read-cache.o
+LIB_OBJS += lib/rebase-interactive.o
+LIB_OBJS += lib/rebase.o
+LIB_OBJS += lib/ref-filter.o
+LIB_OBJS += lib/reflog-walk.o
+LIB_OBJS += lib/reflog.o
+LIB_OBJS += lib/refs.o
+LIB_OBJS += lib/refs/debug.o
+LIB_OBJS += lib/refs/files-backend.o
+LIB_OBJS += lib/refs/reftable-backend.o
+LIB_OBJS += lib/refs/iterator.o
+LIB_OBJS += lib/refs/packed-backend.o
+LIB_OBJS += lib/refs/ref-cache.o
+LIB_OBJS += lib/refspec.o
+LIB_OBJS += lib/reftable/basics.o
+LIB_OBJS += lib/reftable/block.o
+LIB_OBJS += lib/reftable/blocksource.o
+LIB_OBJS += lib/reftable/error.o
+LIB_OBJS += lib/reftable/fsck.o
+LIB_OBJS += lib/reftable/iter.o
+LIB_OBJS += lib/reftable/merged.o
+LIB_OBJS += lib/reftable/pq.o
+LIB_OBJS += lib/reftable/record.o
+LIB_OBJS += lib/reftable/stack.o
+LIB_OBJS += lib/reftable/system.o
+LIB_OBJS += lib/reftable/table.o
+LIB_OBJS += lib/reftable/tree.o
+LIB_OBJS += lib/reftable/writer.o
+LIB_OBJS += lib/remote.o
+LIB_OBJS += lib/repack.o
+LIB_OBJS += lib/repack-cruft.o
+LIB_OBJS += lib/repack-filtered.o
+LIB_OBJS += lib/repack-geometry.o
+LIB_OBJS += lib/repack-midx.o
+LIB_OBJS += lib/repack-promisor.o
+LIB_OBJS += lib/replace-object.o
+LIB_OBJS += lib/replay.o
+LIB_OBJS += lib/repo-settings.o
+LIB_OBJS += lib/repository.o
+LIB_OBJS += lib/rerere.o
+LIB_OBJS += lib/reset.o
+LIB_OBJS += lib/resolve-undo.o
+LIB_OBJS += lib/revision.o
+LIB_OBJS += lib/run-command.o
+LIB_OBJS += lib/send-pack.o
+LIB_OBJS += lib/sequencer.o
+LIB_OBJS += lib/serve.o
+LIB_OBJS += lib/server-info.o
+LIB_OBJS += lib/setup.o
+LIB_OBJS += lib/shallow.o
+LIB_OBJS += lib/sideband.o
+LIB_OBJS += lib/sigchain.o
+LIB_OBJS += lib/sparse-index.o
+LIB_OBJS += lib/split-index.o
+LIB_OBJS += lib/stable-qsort.o
+LIB_OBJS += lib/statinfo.o
+LIB_OBJS += lib/strbuf.o
+LIB_OBJS += lib/string-list.o
+LIB_OBJS += lib/strmap.o
+LIB_OBJS += lib/strvec.o
+LIB_OBJS += lib/sub-process.o
+LIB_OBJS += lib/submodule-config.o
+LIB_OBJS += lib/submodule.o
+LIB_OBJS += lib/symlinks.o
+LIB_OBJS += lib/tag.o
+LIB_OBJS += lib/tempfile.o
+LIB_OBJS += lib/thread-utils.o
+LIB_OBJS += lib/tmp-objdir.o
+LIB_OBJS += lib/trace.o
+LIB_OBJS += lib/trace2.o
+LIB_OBJS += lib/trace2/tr2_cfg.o
+LIB_OBJS += lib/trace2/tr2_cmd_name.o
+LIB_OBJS += lib/trace2/tr2_ctr.o
+LIB_OBJS += lib/trace2/tr2_dst.o
+LIB_OBJS += lib/trace2/tr2_sid.o
+LIB_OBJS += lib/trace2/tr2_sysenv.o
+LIB_OBJS += lib/trace2/tr2_tbuf.o
+LIB_OBJS += lib/trace2/tr2_tgt_event.o
+LIB_OBJS += lib/trace2/tr2_tgt_normal.o
+LIB_OBJS += lib/trace2/tr2_tgt_perf.o
+LIB_OBJS += lib/trace2/tr2_tls.o
+LIB_OBJS += lib/trace2/tr2_tmr.o
+LIB_OBJS += lib/trailer.o
+LIB_OBJS += lib/transport-helper.o
+LIB_OBJS += lib/transport.o
+LIB_OBJS += lib/tree-diff.o
+LIB_OBJS += lib/tree-walk.o
+LIB_OBJS += lib/tree.o
+LIB_OBJS += lib/unpack-trees.o
+LIB_OBJS += lib/upload-pack.o
+LIB_OBJS += lib/url.o
+LIB_OBJS += lib/urlmatch.o
+LIB_OBJS += lib/usage.o
+LIB_OBJS += lib/userdiff.o
+LIB_OBJS += lib/utf8.o
 ifdef NO_RUST
-LIB_OBJS += varint.o
-endif
-LIB_OBJS += version.o
-LIB_OBJS += versioncmp.o
-LIB_OBJS += walker.o
-LIB_OBJS += wildmatch.o
-LIB_OBJS += worktree.o
-LIB_OBJS += wrapper.o
-LIB_OBJS += write-or-die.o
-LIB_OBJS += ws.o
-LIB_OBJS += wt-status.o
-LIB_OBJS += xdiff-interface.o
-LIB_OBJS += xdiff/xdiffi.o
-LIB_OBJS += xdiff/xemit.o
-LIB_OBJS += xdiff/xhistogram.o
-LIB_OBJS += xdiff/xmerge.o
-LIB_OBJS += xdiff/xpatience.o
-LIB_OBJS += xdiff/xprepare.o
-LIB_OBJS += xdiff/xutils.o
+LIB_OBJS += lib/varint.o
+endif
+LIB_OBJS += lib/version.o
+LIB_OBJS += lib/versioncmp.o
+LIB_OBJS += lib/walker.o
+LIB_OBJS += lib/wildmatch.o
+LIB_OBJS += lib/worktree.o
+LIB_OBJS += lib/wrapper.o
+LIB_OBJS += lib/write-or-die.o
+LIB_OBJS += lib/ws.o
+LIB_OBJS += lib/wt-status.o
+LIB_OBJS += lib/xdiff-interface.o
+LIB_OBJS += lib/xdiff/xdiffi.o
+LIB_OBJS += lib/xdiff/xemit.o
+LIB_OBJS += lib/xdiff/xhistogram.o
+LIB_OBJS += lib/xdiff/xmerge.o
+LIB_OBJS += lib/xdiff/xpatience.o
+LIB_OBJS += lib/xdiff/xprepare.o
+LIB_OBJS += lib/xdiff/xutils.o
 
 BUILTIN_OBJS += builtin/add.o
 BUILTIN_OBJS += builtin/am.o
@@ -1513,13 +1513,13 @@ BUILTIN_OBJS += builtin/write-tree.o
 # files which are taken from some third-party source where we want to be
 # less strict about issues such as coding style so we don't diverge from
 # upstream unnecessarily (making merging in future changes easier).
-THIRD_PARTY_SOURCES += compat/inet_ntop.c
-THIRD_PARTY_SOURCES += compat/inet_pton.c
-THIRD_PARTY_SOURCES += compat/obstack.%
-THIRD_PARTY_SOURCES += compat/poll/%
-THIRD_PARTY_SOURCES += compat/regex/%
-THIRD_PARTY_SOURCES += sha1collisiondetection/%
-THIRD_PARTY_SOURCES += sha1dc/%
+THIRD_PARTY_SOURCES += lib/compat/inet_ntop.c
+THIRD_PARTY_SOURCES += lib/compat/inet_pton.c
+THIRD_PARTY_SOURCES += lib/compat/obstack.%
+THIRD_PARTY_SOURCES += lib/compat/poll/%
+THIRD_PARTY_SOURCES += lib/compat/regex/%
+THIRD_PARTY_SOURCES += lib/sha1collisiondetection/%
+THIRD_PARTY_SOURCES += lib/sha1dc/%
 THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/%
 THIRD_PARTY_SOURCES += $(UNIT_TEST_DIR)/clar/clar/%
 
@@ -1750,7 +1750,7 @@ endif
 
 ifdef NO_LIBGEN_H
 	COMPAT_CFLAGS += -DNO_LIBGEN_H
-	COMPAT_OBJS += compat/basename.o
+	COMPAT_OBJS += lib/compat/basename.o
 endif
 
 ifdef USE_LIBPCRE1
@@ -1816,7 +1816,7 @@ else
         endif
         ifdef USE_CURL_FOR_IMAP_SEND
 		BASIC_CFLAGS += -DUSE_CURL_FOR_IMAP_SEND
-		IMAP_SEND_BUILDDEPS = http.o
+		IMAP_SEND_BUILDDEPS = lib/http.o
 		IMAP_SEND_LDFLAGS += $(CURL_LIBCURL)
         endif
         ifndef NO_EXPAT
@@ -1937,11 +1937,11 @@ ifdef NO_NSEC
 endif
 ifdef SNPRINTF_RETURNS_BOGUS
 	COMPAT_CFLAGS += -DSNPRINTF_RETURNS_BOGUS
-	COMPAT_OBJS += compat/snprintf.o
+	COMPAT_OBJS += lib/compat/snprintf.o
 endif
 ifdef FREAD_READS_DIRECTORIES
 	COMPAT_CFLAGS += -DFREAD_READS_DIRECTORIES
-	COMPAT_OBJS += compat/fopen.o
+	COMPAT_OBJS += lib/compat/fopen.o
 endif
 ifdef OPEN_RETURNS_EINTR
 	COMPAT_CFLAGS += -DOPEN_RETURNS_EINTR
@@ -1956,38 +1956,38 @@ endif
 ifdef NO_POLL
 	NO_POLL_H = YesPlease
 	NO_SYS_POLL_H = YesPlease
-	COMPAT_CFLAGS += -DNO_POLL -Icompat/poll
-	COMPAT_OBJS += compat/poll/poll.o
+	COMPAT_CFLAGS += -DNO_POLL -Ilib/compat/poll
+	COMPAT_OBJS += lib/compat/poll/poll.o
 endif
 ifdef NO_STRCASESTR
 	COMPAT_CFLAGS += -DNO_STRCASESTR
-	COMPAT_OBJS += compat/strcasestr.o
+	COMPAT_OBJS += lib/compat/strcasestr.o
 endif
 ifdef NO_STRLCPY
 	COMPAT_CFLAGS += -DNO_STRLCPY
-	COMPAT_OBJS += compat/strlcpy.o
+	COMPAT_OBJS += lib/compat/strlcpy.o
 endif
 ifdef NO_STRTOUMAX
 	COMPAT_CFLAGS += -DNO_STRTOUMAX
-	COMPAT_OBJS += compat/strtoumax.o compat/strtoimax.o
+	COMPAT_OBJS += lib/compat/strtoumax.o lib/compat/strtoimax.o
 endif
 ifdef NO_STRTOULL
 	COMPAT_CFLAGS += -DNO_STRTOULL
 endif
 ifdef NO_SETENV
 	COMPAT_CFLAGS += -DNO_SETENV
-	COMPAT_OBJS += compat/setenv.o
+	COMPAT_OBJS += lib/compat/setenv.o
 endif
 ifdef NO_MKDTEMP
 	COMPAT_CFLAGS += -DNO_MKDTEMP
 endif
 ifdef MKDIR_WO_TRAILING_SLASH
 	COMPAT_CFLAGS += -DMKDIR_WO_TRAILING_SLASH
-	COMPAT_OBJS += compat/mkdir.o
+	COMPAT_OBJS += lib/compat/mkdir.o
 endif
 ifdef NO_UNSETENV
 	COMPAT_CFLAGS += -DNO_UNSETENV
-	COMPAT_OBJS += compat/unsetenv.o
+	COMPAT_OBJS += lib/compat/unsetenv.o
 endif
 ifdef NO_SYS_SELECT_H
 	BASIC_CFLAGS += -DNO_SYS_SELECT_H
@@ -2009,11 +2009,11 @@ ifdef NO_INITGROUPS
 endif
 ifdef NO_MMAP
 	COMPAT_CFLAGS += -DNO_MMAP
-	COMPAT_OBJS += compat/mmap.o
+	COMPAT_OBJS += lib/compat/mmap.o
 else
         ifdef USE_WIN32_MMAP
 		COMPAT_CFLAGS += -DUSE_WIN32_MMAP
-		COMPAT_OBJS += compat/win32mmap.o
+		COMPAT_OBJS += lib/compat/win32mmap.o
         endif
 endif
 ifdef MMAP_PREVENTS_DELETE
@@ -2031,7 +2031,7 @@ ifdef NO_SETITIMER
 endif
 ifdef NO_PREAD
 	COMPAT_CFLAGS += -DNO_PREAD
-	COMPAT_OBJS += compat/pread.o
+	COMPAT_OBJS += lib/compat/pread.o
 endif
 ifdef NO_FAST_WORKING_DIRECTORY
 	BASIC_CFLAGS += -DNO_FAST_WORKING_DIRECTORY
@@ -2041,7 +2041,7 @@ ifdef NO_TRUSTABLE_FILEMODE
 endif
 ifdef NEEDS_MODE_TRANSLATION
 	COMPAT_CFLAGS += -DNEEDS_MODE_TRANSLATION
-	COMPAT_OBJS += compat/stat.o
+	COMPAT_OBJS += lib/compat/stat.o
 endif
 ifdef NO_IPV6
 	BASIC_CFLAGS += -DNO_IPV6
@@ -2057,18 +2057,18 @@ else
 endif
 endif
 ifdef NO_INET_NTOP
-	LIB_OBJS += compat/inet_ntop.o
+	LIB_OBJS += lib/compat/inet_ntop.o
 	BASIC_CFLAGS += -DNO_INET_NTOP
 endif
 ifdef NO_INET_PTON
-	LIB_OBJS += compat/inet_pton.o
+	LIB_OBJS += lib/compat/inet_pton.o
 	BASIC_CFLAGS += -DNO_INET_PTON
 endif
 ifdef NO_UNIX_SOCKETS
 	BASIC_CFLAGS += -DNO_UNIX_SOCKETS
 else
-	LIB_OBJS += unix-socket.o
-	LIB_OBJS += unix-stream-server.o
+	LIB_OBJS += lib/unix-socket.o
+	LIB_OBJS += lib/unix-stream-server.o
 endif
 
 # Simple IPC requires threads and platform-specific IPC support.
@@ -2084,14 +2084,14 @@ endif
 #
 ifdef USE_WIN32_IPC
 	BASIC_CFLAGS += -DSUPPORTS_SIMPLE_IPC
-	LIB_OBJS += compat/simple-ipc/ipc-shared.o
-	LIB_OBJS += compat/simple-ipc/ipc-win32.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-shared.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-win32.o
 else
 ifndef NO_PTHREADS
 ifndef NO_UNIX_SOCKETS
 	BASIC_CFLAGS += -DSUPPORTS_SIMPLE_IPC
-	LIB_OBJS += compat/simple-ipc/ipc-shared.o
-	LIB_OBJS += compat/simple-ipc/ipc-unix-socket.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-shared.o
+	LIB_OBJS += lib/compat/simple-ipc/ipc-unix-socket.o
 endif
 endif
 endif
@@ -2126,7 +2126,7 @@ ifdef OPENSSL_SHA1
 	BASIC_CFLAGS += -DSHA1_OPENSSL
 else
 ifdef BLK_SHA1
-	LIB_OBJS += block-sha1/sha1.o
+	LIB_OBJS += lib/block-sha1/sha1.o
 	BASIC_CFLAGS += -DSHA1_BLK
 else
 ifdef APPLE_COMMON_CRYPTO_SHA1
@@ -2134,7 +2134,7 @@ ifdef APPLE_COMMON_CRYPTO_SHA1
 	BASIC_CFLAGS += -DSHA1_APPLE
 else
 	BASIC_CFLAGS += -DSHA1_DC
-	LIB_OBJS += sha1dc_git.o
+	LIB_OBJS += lib/sha1dc_git.o
 ifdef DC_SHA1_EXTERNAL
         ifdef DC_SHA1_SUBMODULE
                 ifneq ($(DC_SHA1_SUBMODULE),auto)
@@ -2145,12 +2145,12 @@ $(error Only set DC_SHA1_EXTERNAL or DC_SHA1_SUBMODULE, not both)
 	EXTLIBS += -lsha1detectcoll
 else
 ifdef DC_SHA1_SUBMODULE
-	LIB_OBJS += sha1collisiondetection/lib/sha1.o
-	LIB_OBJS += sha1collisiondetection/lib/ubc_check.o
+	LIB_OBJS += lib/sha1collisiondetection/lib/sha1.o
+	LIB_OBJS += lib/sha1collisiondetection/lib/ubc_check.o
 	BASIC_CFLAGS += -DDC_SHA1_SUBMODULE
 else
-	LIB_OBJS += sha1dc/sha1.o
-	LIB_OBJS += sha1dc/ubc_check.o
+	LIB_OBJS += lib/sha1dc/sha1.o
+	LIB_OBJS += lib/sha1dc/ubc_check.o
 endif
 	BASIC_CFLAGS += \
 		-DSHA1DC_NO_STANDARD_INCLUDES \
@@ -2170,7 +2170,7 @@ endif
 else
 ifdef BLK_SHA1_UNSAFE
 ifndef BLK_SHA1
-	LIB_OBJS += block-sha1/sha1.o
+	LIB_OBJS += lib/block-sha1/sha1.o
 	BASIC_CFLAGS += -DSHA1_BLK_UNSAFE
 endif
 else
@@ -2195,23 +2195,23 @@ ifdef GCRYPT_SHA256
 	BASIC_CFLAGS += -DSHA256_GCRYPT
 	EXTLIBS += -lgcrypt
 else
-	LIB_OBJS += sha256/block/sha256.o
+	LIB_OBJS += lib/sha256/block/sha256.o
 	BASIC_CFLAGS += -DSHA256_BLK
 endif
 endif
 endif
 
 ifdef SHA1_MAX_BLOCK_SIZE
-	LIB_OBJS += compat/sha1-chunked.o
+	LIB_OBJS += lib/compat/sha1-chunked.o
 	BASIC_CFLAGS += -DSHA1_MAX_BLOCK_SIZE="$(SHA1_MAX_BLOCK_SIZE)"
 endif
 ifdef NO_HSTRERROR
 	COMPAT_CFLAGS += -DNO_HSTRERROR
-	COMPAT_OBJS += compat/hstrerror.o
+	COMPAT_OBJS += lib/compat/hstrerror.o
 endif
 ifdef NO_MEMMEM
 	COMPAT_CFLAGS += -DNO_MEMMEM
-	COMPAT_OBJS += compat/memmem.o
+	COMPAT_OBJS += lib/compat/memmem.o
 endif
 ifdef NO_GETPAGESIZE
 	COMPAT_CFLAGS += -DNO_GETPAGESIZE
@@ -2222,7 +2222,7 @@ endif
 ifdef HAVE_ISO_QSORT_S
 	COMPAT_CFLAGS += -DHAVE_ISO_QSORT_S
 else
-	COMPAT_OBJS += compat/qsort_s.o
+	COMPAT_OBJS += lib/compat/qsort_s.o
 endif
 ifdef RUNTIME_PREFIX
 	COMPAT_CFLAGS += -DRUNTIME_PREFIX
@@ -2259,12 +2259,12 @@ ifdef UNRELIABLE_FSTAT
 	BASIC_CFLAGS += -DUNRELIABLE_FSTAT
 endif
 ifdef NO_REGEX
-	COMPAT_CFLAGS += -Icompat/regex
-	COMPAT_OBJS += compat/regex/regex.o
+	COMPAT_CFLAGS += -Ilib/compat/regex
+	COMPAT_OBJS += lib/compat/regex/regex.o
 else
 ifdef USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS
 	COMPAT_CFLAGS += -DUSE_ENHANCED_BASIC_REGULAR_EXPRESSIONS
-	COMPAT_OBJS += compat/regcomp_enhanced.o
+	COMPAT_OBJS += lib/compat/regcomp_enhanced.o
 endif
 endif
 ifdef NATIVE_CRLF
@@ -2273,7 +2273,7 @@ endif
 
 ifdef OVERRIDE_STRDUP
 	COMPAT_CFLAGS += -DOVERRIDE_STRDUP
-	COMPAT_OBJS += compat/strdup.o
+	COMPAT_OBJS += lib/compat/strdup.o
 endif
 
 ifdef GIT_TEST_CMP_USE_COPIED_CONTEXT
@@ -2335,7 +2335,7 @@ ifneq ($(findstring openssl,$(CSPRNG_METHOD)),)
 endif
 
 ifndef HAVE_PLATFORM_PROCINFO
-	COMPAT_OBJS += compat/stub/procinfo.o
+	COMPAT_OBJS += lib/compat/stub/procinfo.o
 endif
 
 ifdef RUNTIME_PREFIX
@@ -2365,25 +2365,25 @@ endif
 
 ifdef FILENO_IS_A_MACRO
 	COMPAT_CFLAGS += -DFILENO_IS_A_MACRO
-	COMPAT_OBJS += compat/fileno.o
+	COMPAT_OBJS += lib/compat/fileno.o
 endif
 
 ifdef NEED_ACCESS_ROOT_HANDLER
 	COMPAT_CFLAGS += -DNEED_ACCESS_ROOT_HANDLER
-	COMPAT_OBJS += compat/access.o
+	COMPAT_OBJS += lib/compat/access.o
 endif
 
 ifdef FSMONITOR_DAEMON_BACKEND
 	COMPAT_CFLAGS += -DHAVE_FSMONITOR_DAEMON_BACKEND
-	COMPAT_OBJS += compat/fsmonitor/fsm-listen-$(FSMONITOR_DAEMON_BACKEND).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-health-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-listen-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-health-$(FSMONITOR_DAEMON_BACKEND).o
 endif
 
 ifdef FSMONITOR_OS_SETTINGS
 	COMPAT_CFLAGS += -DHAVE_FSMONITOR_OS_SETTINGS
-	COMPAT_OBJS += compat/fsmonitor/fsm-ipc-$(FSMONITOR_OS_SETTINGS).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-settings-$(FSMONITOR_OS_SETTINGS).o
-	COMPAT_OBJS += compat/fsmonitor/fsm-path-utils-$(FSMONITOR_DAEMON_BACKEND).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-ipc-$(FSMONITOR_OS_SETTINGS).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-settings-$(FSMONITOR_OS_SETTINGS).o
+	COMPAT_OBJS += lib/compat/fsmonitor/fsm-path-utils-$(FSMONITOR_DAEMON_BACKEND).o
 endif
 
 ifdef WITH_BREAKING_CHANGES
@@ -2667,9 +2667,9 @@ git$X: git.o GIT-LDFLAGS $(BUILTIN_OBJS) $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) \
 		$(filter %.o,$^) $(LIBS)
 
-help.sp help.s help.o: command-list.h
+lib/help.sp lib/help.s lib/help.o: command-list.h
 builtin/bugreport.sp builtin/bugreport.s builtin/bugreport.o: hook-list.h
-hook.sp hook.s hook.o: hook-list.h
+lib/hook.sp lib/hook.s lib/hook.o: hook-list.h
 
 builtin/help.sp builtin/help.s builtin/help.o: config-list.h GIT-PREFIX
 builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
@@ -2680,13 +2680,13 @@ builtin/help.sp builtin/help.s builtin/help.o: EXTRA_CPPFLAGS = \
 PAGER_ENV_SQ = $(subst ','\'',$(PAGER_ENV))
 PAGER_ENV_CQ = "$(subst ",\",$(subst \,\\,$(PAGER_ENV)))"
 PAGER_ENV_CQ_SQ = $(subst ','\'',$(PAGER_ENV_CQ))
-pager.sp pager.s pager.o: EXTRA_CPPFLAGS = \
+lib/pager.sp lib/pager.s lib/pager.o: EXTRA_CPPFLAGS = \
 	-DPAGER_ENV='$(PAGER_ENV_CQ_SQ)'
 
-version-def.h: version-def.h.in GIT-VERSION-GEN GIT-VERSION-FILE GIT-USER-AGENT
+version-def.h: lib/version-def.h.in GIT-VERSION-GEN GIT-VERSION-FILE GIT-USER-AGENT
 	$(QUIET_GEN)$(call version_gen,"$(shell pwd)",$<,$@)
 
-version.sp version.s version.o: version-def.h
+lib/version.sp lib/version.s lib/version.o: version-def.h
 
 $(BUILT_INS): git$X
 	$(QUIET_BUILT_IN)$(RM) $@ && \
@@ -2879,7 +2879,7 @@ ifdef INCLUDE_LIBGIT_RS
 endif
 
 ifndef NO_CURL
-	OBJECTS += http.o http-walker.o remote-curl.o
+	OBJECTS += lib/http.o lib/http-walker.o remote-curl.o
 endif
 
 .PHONY: objects
@@ -2944,44 +2944,44 @@ compile_commands.json:
 	@if test -s $@+; then mv $@+ $@; else $(RM) $@+; fi
 endif
 
-exec-cmd.sp exec-cmd.s exec-cmd.o: GIT-PREFIX
-exec-cmd.sp exec-cmd.s exec-cmd.o: EXTRA_CPPFLAGS = \
+lib/exec-cmd.sp lib/exec-cmd.s lib/exec-cmd.o: GIT-PREFIX
+lib/exec-cmd.sp lib/exec-cmd.s lib/exec-cmd.o: EXTRA_CPPFLAGS = \
 	'-DGIT_EXEC_PATH="$(gitexecdir_SQ)"' \
 	'-DGIT_LOCALE_PATH="$(localedir_relative_SQ)"' \
 	'-DBINDIR="$(bindir_relative_SQ)"' \
 	'-DFALLBACK_RUNTIME_PREFIX="$(prefix_SQ)"'
 
-setup.sp setup.s setup.o: GIT-PREFIX
-setup.sp setup.s setup.o: EXTRA_CPPFLAGS = \
+lib/setup.sp lib/setup.s lib/setup.o: GIT-PREFIX
+lib/setup.sp lib/setup.s lib/setup.o: EXTRA_CPPFLAGS = \
 	-DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir_SQ)"'
 
-config.sp config.s config.o: GIT-PREFIX
-config.sp config.s config.o: EXTRA_CPPFLAGS = \
+lib/config.sp lib/config.s lib/config.o: GIT-PREFIX
+lib/config.sp lib/config.s lib/config.o: EXTRA_CPPFLAGS = \
 	-DETC_GITCONFIG='"$(ETC_GITCONFIG_SQ)"'
 
-attr.sp attr.s attr.o: GIT-PREFIX
-attr.sp attr.s attr.o: EXTRA_CPPFLAGS = \
+lib/attr.sp lib/attr.s lib/attr.o: GIT-PREFIX
+lib/attr.sp lib/attr.s lib/attr.o: EXTRA_CPPFLAGS = \
 	-DETC_GITATTRIBUTES='"$(ETC_GITATTRIBUTES_SQ)"'
 
-gettext.sp gettext.s gettext.o: GIT-PREFIX
-gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
+lib/gettext.sp lib/gettext.s lib/gettext.o: GIT-PREFIX
+lib/gettext.sp lib/gettext.s lib/gettext.o: EXTRA_CPPFLAGS = \
 	-DGIT_LOCALE_PATH='"$(localedir_relative_SQ)"'
 
-http-push.sp http.sp http-walker.sp remote-curl.sp imap-send.sp: SP_EXTRA_FLAGS += \
+http-push.sp lib/http.sp lib/http-walker.sp remote-curl.sp imap-send.sp: SP_EXTRA_FLAGS += \
 	-DCURL_DISABLE_TYPECHECK
 
 pack-revindex.sp: SP_EXTRA_FLAGS += -Wno-memcpy-max-count
 
 ifdef NO_EXPAT
-http-walker.sp http-walker.s http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
+lib/http-walker.sp lib/http-walker.s lib/http-walker.o: EXTRA_CPPFLAGS = -DNO_EXPAT
 endif
 
 ifdef NO_REGEX
-compat/regex/regex.sp compat/regex/regex.o: EXTRA_CPPFLAGS = \
+lib/compat/regex/regex.sp lib/compat/regex/regex.o: EXTRA_CPPFLAGS = \
 	-DGAWK -DNO_MBSUPPORT
 endif
 
-headless-git.o: compat/win32/headless.c GIT-CFLAGS
+headless-git.o: lib/compat/win32/headless.c GIT-CFLAGS
 	$(QUIET_CC)$(CC) $(ALL_CFLAGS) $(COMPAT_CFLAGS) \
 		-fno-stack-protector -o $@ -c -Wall -Wwrite-strings $<
 
@@ -2995,10 +2995,10 @@ git-imap-send$X: imap-send.o $(IMAP_SEND_BUILDDEPS) GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(IMAP_SEND_LDFLAGS) $(LIBS)
 
-git-http-fetch$X: http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
+git-http-fetch$X: lib/http.o lib/http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(LIBS)
-git-http-push$X: http.o http-push.o GIT-LDFLAGS $(GITLIBS)
+git-http-push$X: lib/http.o http-push.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)
 
@@ -3008,7 +3008,7 @@ $(REMOTE_CURL_ALIASES): $(REMOTE_CURL_PRIMARY)
 	ln -s $< $@ 2>/dev/null || \
 	cp $< $@
 
-$(REMOTE_CURL_PRIMARY): remote-curl.o http.o http-walker.o GIT-LDFLAGS $(GITLIBS)
+$(REMOTE_CURL_PRIMARY): remote-curl.o lib/http.o lib/http-walker.o GIT-LDFLAGS $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
 		$(CURL_LIBCURL) $(EXPAT_LIBEXPAT) $(LIBS)
 
@@ -3172,8 +3172,8 @@ LOCALIZED_C_CORE += builtin/clone.c
 LOCALIZED_C_CORE += builtin/index-pack.c
 LOCALIZED_C_CORE += builtin/push.c
 LOCALIZED_C_CORE += builtin/reset.c
-LOCALIZED_C_CORE += remote.c
-LOCALIZED_C_CORE += wt-status.c
+LOCALIZED_C_CORE += lib/remote.c
+LOCALIZED_C_CORE += lib/wt-status.c
 
 LOCALIZED_C_CORE_GEN_PO = $(LOCALIZED_C_CORE:%=.build/pot/po/%.po)
 
@@ -3412,18 +3412,18 @@ $(SP_OBJ): %.sp: %.c %.o $(GENERATED_H)
 .PHONY: sparse
 sparse: $(SP_OBJ)
 
-EXCEPT_HDRS := $(GENERATED_H) unicode-width.h compat/% xdiff/% $(UNIT_TEST_DIR)/clar/% $(UNIT_TEST_DIR)/clar/clar/%
+EXCEPT_HDRS := $(GENERATED_H) lib/unicode-width.h lib/compat/% lib/xdiff/% $(UNIT_TEST_DIR)/clar/% $(UNIT_TEST_DIR)/clar/clar/%
 ifndef OPENSSL_SHA1
-	EXCEPT_HDRS += sha1/openssl.h
+	EXCEPT_HDRS += lib/sha1/openssl.h
 endif
 ifndef OPENSSL_SHA256
-	EXCEPT_HDRS += sha256/openssl.h
+	EXCEPT_HDRS += lib/sha256/openssl.h
 endif
 ifndef NETTLE_SHA256
-	EXCEPT_HDRS += sha256/nettle.h
+	EXCEPT_HDRS += lib/sha256/nettle.h
 endif
 ifndef GCRYPT_SHA256
-	EXCEPT_HDRS += sha256/gcrypt.h
+	EXCEPT_HDRS += lib/sha256/gcrypt.h
 endif
 CHK_HDRS = $(filter-out $(EXCEPT_HDRS),$(LIB_H))
 HCO = $(patsubst %.h,%.hco,$(CHK_HDRS))
@@ -3775,13 +3775,13 @@ GIT_ARCHIVE_EXTRA_FILES = \
 	--add-file=.dist-tmp-dir/git-gui/version
 ifdef DC_SHA1_SUBMODULE
 GIT_ARCHIVE_EXTRA_FILES += \
-	--prefix=$(GIT_TARNAME)/sha1collisiondetection/ \
-	--add-file=sha1collisiondetection/LICENSE.txt \
-	--prefix=$(GIT_TARNAME)/sha1collisiondetection/lib/ \
-	--add-file=sha1collisiondetection/lib/sha1.c \
-	--add-file=sha1collisiondetection/lib/sha1.h \
-	--add-file=sha1collisiondetection/lib/ubc_check.c \
-	--add-file=sha1collisiondetection/lib/ubc_check.h
+	--prefix=$(GIT_TARNAME)/lib/sha1collisiondetection/ \
+	--add-file=lib/sha1collisiondetection/LICENSE.txt \
+	--prefix=$(GIT_TARNAME)/lib/sha1collisiondetection/lib/ \
+	--add-file=lib/sha1collisiondetection/lib/sha1.c \
+	--add-file=lib/sha1collisiondetection/lib/sha1.h \
+	--add-file=lib/sha1collisiondetection/lib/ubc_check.c \
+	--add-file=lib/sha1collisiondetection/lib/ubc_check.h
 endif
 dist: git-archive$(X) configure
 	@$(RM) -r .dist-tmp-dir
@@ -3911,7 +3911,7 @@ ifdef MSVC
 	$(RM) $(patsubst %.exe,%.pdb,$(TEST_PROGRAMS))
 	$(RM) $(patsubst %.exe,%.iobj,$(TEST_PROGRAMS))
 	$(RM) $(patsubst %.exe,%.ipdb,$(TEST_PROGRAMS))
-	$(RM) compat/vcbuild/MSVC-DEFS-GEN
+	$(RM) lib/compat/vcbuild/MSVC-DEFS-GEN
 endif
 
 .PHONY: all install profile-clean cocciclean clean strip
diff --git a/config.mak.uname b/config.mak.uname
index 8719e09f66..7af406439e 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -21,17 +21,17 @@ ifdef MSVC
 
 	# Generate and include makefile variables that point to the
 	# currently installed set of MSVC command line tools.
-compat/vcbuild/MSVC-DEFS-GEN: compat/vcbuild/find_vs_env.bat
+lib/compat/vcbuild/MSVC-DEFS-GEN: lib/compat/vcbuild/find_vs_env.bat
 	@"$<" | tr '\\' / >"$@"
-include compat/vcbuild/MSVC-DEFS-GEN
+include lib/compat/vcbuild/MSVC-DEFS-GEN
 
 	# See if vcpkg and the vcpkg-build versions of the third-party
 	# libraries that we use are installed.  We include the result
 	# to get $(vcpkg_*) variables defined for the Makefile.
 ifeq (,$(SKIP_VCPKG))
-compat/vcbuild/VCPKG-DEFS: compat/vcbuild/vcpkg_install.bat
+lib/compat/vcbuild/VCPKG-DEFS: lib/compat/vcbuild/vcpkg_install.bat
 	@"$<"
-include compat/vcbuild/VCPKG-DEFS
+include lib/compat/vcbuild/VCPKG-DEFS
 endif
 endif
 
@@ -62,7 +62,7 @@ ifeq ($(uname_S),Linux)
 	HAVE_SYSINFO = YesPlease
 	PROCFS_EXECUTABLE_PATH = /proc/self/exe
 	HAVE_PLATFORM_PROCINFO = YesPlease
-	COMPAT_OBJS += compat/linux/procinfo.o
+	COMPAT_OBJS += lib/compat/linux/procinfo.o
 	EXTLIBS += -ldl
 	# centos7/rhel7 provides gcc 4.8.5 and zlib 1.2.7.
         ifneq ($(findstring .el7.,$(uname_R)),)
@@ -152,7 +152,7 @@ ifeq ($(uname_S),Darwin)
 	NO_MEMMEM = YesPlease
 	USE_ST_TIMESPEC = YesPlease
 	HAVE_DEV_TTY = YesPlease
-	COMPAT_OBJS += compat/precompose_utf8.o
+	COMPAT_OBJS += lib/compat/precompose_utf8.o
 	BASIC_CFLAGS += -DPRECOMPOSE_UNICODE
 	BASIC_CFLAGS += -DPROTECT_HFS_DEFAULT=1
 	HAVE_BSD_SYSCTL = YesPlease
@@ -161,7 +161,7 @@ ifeq ($(uname_S),Darwin)
 	CSPRNG_METHOD = arc4random
 	USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS = YesPlease
 	HAVE_PLATFORM_PROCINFO = YesPlease
-	COMPAT_OBJS += compat/darwin/procinfo.o
+	COMPAT_OBJS += lib/compat/darwin/procinfo.o
 
         ifeq ($(uname_M),arm64)
 		HOMEBREW_PREFIX = /opt/homebrew
@@ -292,7 +292,7 @@ ifeq ($(uname_O),Cygwin)
 	UNRELIABLE_FSTAT = UnfortunatelyYes
 	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
 	MMAP_PREVENTS_DELETE = UnfortunatelyYes
-	COMPAT_OBJS += compat/win32/path-utils.o
+	COMPAT_OBJS += lib/compat/win32/path-utils.o
 	FREAD_READS_DIRECTORIES = UnfortunatelyYes
 endif
 ifeq ($(uname_S),FreeBSD)
@@ -523,17 +523,17 @@ ifeq (/mingw64,$(subst 32,64,$(subst clangarm,mingw,$(prefix))))
 	ETC_GITATTRIBUTES = ../etc/gitattributes
 endif
 
-	CC = compat/vcbuild/scripts/clink.pl
-	AR = compat/vcbuild/scripts/lib.pl
+	CC = lib/compat/vcbuild/scripts/clink.pl
+	AR = lib/compat/vcbuild/scripts/lib.pl
 	CFLAGS =
-	BASIC_CFLAGS = -nologo -I. -Icompat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
-	COMPAT_OBJS = compat/msvc.o compat/winansi.o \
-		compat/win32/flush.o \
-		compat/win32/path-utils.o \
-		compat/win32/pthread.o compat/win32/syslog.o \
-		compat/win32/trace2_win32_process_info.o \
-		compat/win32/dirent.o
-	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DDETECT_MSYS_TTY -DNOGDI -DHAVE_STRING_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
+	BASIC_CFLAGS = -nologo -I. -Ilib/compat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
+	COMPAT_OBJS = lib/compat/msvc.o lib/compat/winansi.o \
+		lib/compat/win32/flush.o \
+		lib/compat/win32/path-utils.o \
+		lib/compat/win32/pthread.o lib/compat/win32/syslog.o \
+		lib/compat/win32/trace2_win32_process_info.o \
+		lib/compat/win32/dirent.o
+	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DDETECT_MSYS_TTY -DNOGDI -DHAVE_STRING_H -Ilib/compat -Ilib/compat/regex -Ilib/compat/win32 -DSTRIP_EXTENSION=\".exe\"
 	BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -ENTRY:wmainCRTStartup -SUBSYSTEM:CONSOLE
 	# invalidcontinue.obj allows Git's source code to close the same file
 	# handle twice, or to access the osfhandle of an already-closed stdout
@@ -573,7 +573,7 @@ endif
 
 	EXTRA_PROGRAMS += headless-git$X
 
-compat/msvc.o: compat/msvc.c compat/mingw.c GIT-CFLAGS
+lib/compat/msvc.o: lib/compat/msvc.c lib/compat/mingw.c GIT-CFLAGS
 endif
 ifeq ($(uname_S),Interix)
 	NO_INITGROUPS = YesPlease
@@ -724,14 +724,14 @@ ifeq ($(uname_S),MINGW)
 	HAVE_PLATFORM_PROCINFO = YesPlease
 	CSPRNG_METHOD = rtlgenrandom
 	BASIC_LDFLAGS += -municode
-	COMPAT_CFLAGS += -DNOGDI -Icompat -Icompat/win32
+	COMPAT_CFLAGS += -DNOGDI -Ilib/compat -Ilib/compat/win32
 	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
-	COMPAT_OBJS += compat/mingw.o compat/winansi.o \
-		compat/win32/trace2_win32_process_info.o \
-		compat/win32/flush.o \
-		compat/win32/path-utils.o \
-		compat/win32/pthread.o compat/win32/syslog.o \
-		compat/win32/dirent.o
+	COMPAT_OBJS += lib/compat/mingw.o lib/compat/winansi.o \
+		lib/compat/win32/trace2_win32_process_info.o \
+		lib/compat/win32/flush.o \
+		lib/compat/win32/path-utils.o \
+		lib/compat/win32/pthread.o lib/compat/win32/syslog.o \
+		lib/compat/win32/dirent.o
 	BASIC_CFLAGS += -DWIN32
 	EXTLIBS += -lws2_32
 	GITLIBS += git.res
diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
index a57c4b464f..446a6c889f 100644
--- a/contrib/buildsystems/CMakeLists.txt
+++ b/contrib/buildsystems/CMakeLists.txt
@@ -62,10 +62,10 @@ if(NOT DEFINED CMAKE_EXPORT_COMPILE_COMMANDS)
 endif()
 
 if(USE_VCPKG)
-	set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg")
+	set(VCPKG_DIR "${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg")
 	if(NOT EXISTS ${VCPKG_DIR})
 		message("Initializing vcpkg and building the Git's dependencies (this will take a while...)")
-		execute_process(COMMAND ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg_install.bat)
+		execute_process(COMMAND ${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg_install.bat)
 	endif()
 	list(APPEND CMAKE_PREFIX_PATH "${VCPKG_DIR}/installed/x64-windows")
 
@@ -194,7 +194,7 @@ else()
 	find_program(MSGFMT_EXE msgfmt)
 	if(NOT MSGFMT_EXE)
 		if(USE_VCPKG)
-			set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe)
+			set(MSGFMT_EXE ${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/vcpkg/downloads/tools/msys2/msys64/usr/bin/msgfmt.exe)
 		endif()
 		if(NOT EXISTS ${MSGFMT_EXE})
 			message(WARNING "Text Translations won't be built")
@@ -212,13 +212,14 @@ endif()
 
 #default behaviour
 include_directories(${CMAKE_SOURCE_DIR})
+include_directories(${CMAKE_SOURCE_DIR}/lib)
 add_compile_definitions(GIT_HOST_CPU="${CMAKE_SYSTEM_PROCESSOR}")
 add_compile_definitions(SHA256_BLK INTERNAL_QSORT RUNTIME_PREFIX)
 add_compile_definitions(NO_OPENSSL SHA1_DC SHA1DC_NO_STANDARD_INCLUDES
 			SHA1DC_INIT_SAFE_HASH_DEFAULT=0
 			SHA1DC_CUSTOM_INCLUDE_SHA1_C="git-compat-util.h"
 			SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="git-compat-util.h" )
-list(APPEND compat_SOURCES sha1dc_git.c sha1dc/sha1.c sha1dc/ubc_check.c block-sha1/sha1.c sha256/block/sha256.c compat/qsort_s.c)
+list(APPEND compat_SOURCES lib/sha1dc_git.c lib/sha1dc/sha1.c lib/sha1dc/ubc_check.c lib/block-sha1/sha1.c lib/sha256/block/sha256.c lib/compat/qsort_s.c)
 
 
 add_compile_definitions(PAGER_ENV="LESS=FRX LV=-c"
@@ -248,43 +249,43 @@ endif()
 #Platform Specific
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
 	if(CMAKE_C_COMPILER_ID STREQUAL "MSVC" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
-		include_directories(${CMAKE_SOURCE_DIR}/compat/vcbuild/include)
+		include_directories(${CMAKE_SOURCE_DIR}/lib/compat/vcbuild/include)
 		add_compile_definitions(_CRT_SECURE_NO_WARNINGS _CRT_NONSTDC_NO_DEPRECATE)
 	endif()
-	include_directories(${CMAKE_SOURCE_DIR}/compat/win32)
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/win32)
 	add_compile_definitions(HAVE_ALLOCA_H NO_POSIX_GOODIES NATIVE_CRLF NO_UNIX_SOCKETS WIN32
 				_CONSOLE DETECT_MSYS_TTY STRIP_EXTENSION=".exe"  NO_SYMLINK_HEAD UNRELIABLE_FSTAT
 				NOGDI OBJECT_CREATION_MODE=1 __USE_MINGW_ANSI_STDIO=0
 				OVERRIDE_STRDUP MMAP_PREVENTS_DELETE USE_WIN32_MMAP
 				HAVE_WPGMPTR ENSURE_MSYSTEM_IS_SET HAVE_RTLGENRANDOM)
 	list(APPEND compat_SOURCES
-		compat/mingw.c
-		compat/winansi.c
-		compat/win32/flush.c
-		compat/win32/path-utils.c
-		compat/win32/pthread.c
-		compat/win32mmap.c
-		compat/win32/syslog.c
-		compat/win32/trace2_win32_process_info.c
-		compat/win32/dirent.c
-		compat/strdup.c)
+		lib/compat/mingw.c
+		lib/compat/winansi.c
+		lib/compat/win32/flush.c
+		lib/compat/win32/path-utils.c
+		lib/compat/win32/pthread.c
+		lib/compat/win32mmap.c
+		lib/compat/win32/syslog.c
+		lib/compat/win32/trace2_win32_process_info.c
+		lib/compat/win32/dirent.c
+		lib/compat/strdup.c)
 	set(NO_UNIX_SOCKETS 1)
 
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 	add_compile_definitions(PROCFS_EXECUTABLE_PATH="/proc/self/exe" HAVE_DEV_TTY )
-	list(APPEND compat_SOURCES unix-socket.c unix-stream-server.c compat/linux/procinfo.c)
+	list(APPEND compat_SOURCES lib/unix-socket.c lib/unix-stream-server.c lib/compat/linux/procinfo.c)
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
-	list(APPEND compat_SOURCES compat/darwin/procinfo.c)
+	list(APPEND compat_SOURCES lib/compat/darwin/procinfo.c)
 endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
-	list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-win32.c)
+	list(APPEND compat_SOURCES lib/compat/simple-ipc/ipc-shared.c lib/compat/simple-ipc/ipc-win32.c)
 	add_compile_definitions(SUPPORTS_SIMPLE_IPC)
 	set(SUPPORTS_SIMPLE_IPC 1)
 else()
 	# Simple IPC requires both Unix sockets and pthreads on Unix-based systems.
 	if(NOT NO_UNIX_SOCKETS AND NOT NO_PTHREADS)
-		list(APPEND compat_SOURCES compat/simple-ipc/ipc-shared.c compat/simple-ipc/ipc-unix-socket.c)
+		list(APPEND compat_SOURCES lib/compat/simple-ipc/ipc-shared.c lib/compat/simple-ipc/ipc-unix-socket.c)
 		add_compile_definitions(SUPPORTS_SIMPLE_IPC)
 		set(SUPPORTS_SIMPLE_IPC 1)
 	endif()
@@ -305,13 +306,13 @@ if(SUPPORTS_SIMPLE_IPC)
 
 	if(FSMONITOR_DAEMON_BACKEND)
 		add_compile_definitions(HAVE_FSMONITOR_DAEMON_BACKEND)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-listen-${FSMONITOR_DAEMON_BACKEND}.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-health-${FSMONITOR_DAEMON_BACKEND}.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-ipc-${FSMONITOR_OS_SETTINGS}.c)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-path-utils-${FSMONITOR_DAEMON_BACKEND}.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-listen-${FSMONITOR_DAEMON_BACKEND}.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-health-${FSMONITOR_DAEMON_BACKEND}.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-ipc-${FSMONITOR_OS_SETTINGS}.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-path-utils-${FSMONITOR_DAEMON_BACKEND}.c)
 
 		add_compile_definitions(HAVE_FSMONITOR_OS_SETTINGS)
-		list(APPEND compat_SOURCES compat/fsmonitor/fsm-settings-${FSMONITOR_OS_SETTINGS}.c)
+		list(APPEND compat_SOURCES lib/compat/fsmonitor/fsm-settings-${FSMONITOR_OS_SETTINGS}.c)
 	endif()
 endif()
 
@@ -321,7 +322,7 @@ set(EXE_EXTENSION ${CMAKE_EXECUTABLE_SUFFIX})
 check_include_file(libgen.h HAVE_LIBGEN_H)
 if(NOT HAVE_LIBGEN_H)
 	add_compile_definitions(NO_LIBGEN_H)
-	list(APPEND compat_SOURCES compat/basename.c)
+	list(APPEND compat_SOURCES lib/compat/basename.c)
 endif()
 
 check_include_file(sys/sysinfo.h HAVE_SYSINFO)
@@ -394,42 +395,42 @@ foreach(f ${function_checks})
 endforeach()
 
 if(NOT HAVE_POLL_H OR NOT HAVE_SYS_POLL_H OR NOT HAVE_POLL)
-	include_directories(${CMAKE_SOURCE_DIR}/compat/poll)
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/poll)
 	add_compile_definitions(NO_POLL)
-	list(APPEND compat_SOURCES compat/poll/poll.c)
+	list(APPEND compat_SOURCES lib/compat/poll/poll.c)
 endif()
 
 if(NOT HAVE_STRCASESTR)
-	list(APPEND compat_SOURCES compat/strcasestr.c)
+	list(APPEND compat_SOURCES lib/compat/strcasestr.c)
 endif()
 
 if(NOT HAVE_STRLCPY)
-	list(APPEND compat_SOURCES compat/strlcpy.c)
+	list(APPEND compat_SOURCES lib/compat/strlcpy.c)
 endif()
 
 if(NOT HAVE_STRTOUMAX)
-	list(APPEND compat_SOURCES compat/strtoumax.c compat/strtoimax.c)
+	list(APPEND compat_SOURCES lib/compat/strtoumax.c lib/compat/strtoimax.c)
 endif()
 
 if(NOT HAVE_SETENV)
-	list(APPEND compat_SOURCES compat/setenv.c)
+	list(APPEND compat_SOURCES lib/compat/setenv.c)
 endif()
 
 if(NOT HAVE_PREAD)
-	list(APPEND compat_SOURCES compat/pread.c)
+	list(APPEND compat_SOURCES lib/compat/pread.c)
 endif()
 
 if(NOT HAVE_MEMMEM)
-	list(APPEND compat_SOURCES compat/memmem.c)
+	list(APPEND compat_SOURCES lib/compat/memmem.c)
 endif()
 
 if(NOT WIN32)
 	if(NOT HAVE_UNSETENV)
-		list(APPEND compat_SOURCES compat/unsetenv.c)
+		list(APPEND compat_SOURCES lib/compat/unsetenv.c)
 	endif()
 
 	if(NOT HAVE_HSTRERROR)
-		list(APPEND compat_SOURCES compat/hstrerror.c)
+		list(APPEND compat_SOURCES lib/compat/hstrerror.c)
 	endif()
 endif()
 
@@ -486,7 +487,7 @@ int main(void)
 SNPRINTF_OK)
 if(NOT SNPRINTF_OK)
 	add_compile_definitions(SNPRINTF_RETURNS_BOGUS)
-	list(APPEND compat_SOURCES compat/snprintf.c)
+	list(APPEND compat_SOURCES lib/compat/snprintf.c)
 endif()
 
 check_c_source_runs("
@@ -501,7 +502,7 @@ int main(void)
 FREAD_READS_DIRECTORIES_NO)
 if(NOT FREAD_READS_DIRECTORIES_NO)
 	add_compile_definitions(FREAD_READS_DIRECTORIES)
-	list(APPEND compat_SOURCES compat/fopen.c)
+	list(APPEND compat_SOURCES lib/compat/fopen.c)
 endif()
 
 check_c_source_compiles("
@@ -516,8 +517,8 @@ int main(void)
 }"
 HAVE_REGEX)
 if(NOT HAVE_REGEX)
-	include_directories(${CMAKE_SOURCE_DIR}/compat/regex)
-	list(APPEND compat_SOURCES compat/regex/regex.c )
+	include_directories(${CMAKE_SOURCE_DIR}/lib/compat/regex)
+	list(APPEND compat_SOURCES lib/compat/regex/regex.c )
 	add_compile_definitions(NO_REGEX NO_MBSUPPORT GAWK)
 endif()
 
@@ -670,10 +671,10 @@ list(TRANSFORM compat_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
 add_custom_command(OUTPUT "${CMAKE_BINARY_DIR}/version-def.h"
 	COMMAND "${SH_EXE}" "${CMAKE_SOURCE_DIR}/GIT-VERSION-GEN"
 		"${CMAKE_SOURCE_DIR}"
-		"${CMAKE_SOURCE_DIR}/version-def.h.in"
+		"${CMAKE_SOURCE_DIR}/lib/version-def.h.in"
 		"${CMAKE_BINARY_DIR}/version-def.h"
 	DEPENDS "${SH_EXE}" "${CMAKE_SOURCE_DIR}/GIT-VERSION-GEN"
-		"${CMAKE_SOURCE_DIR}/version-def.h.in"
+		"${CMAKE_SOURCE_DIR}/lib/version-def.h.in"
 	VERBATIM)
 list(APPEND libgit_SOURCES "${CMAKE_BINARY_DIR}/version-def.h")
 
@@ -732,7 +733,7 @@ if(WIN32)
 		message(FATAL_ERROR "Unhandled compiler: ${CMAKE_C_COMPILER_ID}")
 	endif()
 
-	add_executable(headless-git ${CMAKE_SOURCE_DIR}/compat/win32/headless.c)
+	add_executable(headless-git ${CMAKE_SOURCE_DIR}/lib/compat/win32/headless.c)
 	if(CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang")
 		target_link_options(headless-git PUBLIC -municode -Wl,-subsystem,windows)
 	elseif(CMAKE_C_COMPILER_ID STREQUAL "MSVC")
@@ -767,15 +768,15 @@ add_executable(scalar ${CMAKE_SOURCE_DIR}/scalar.c)
 target_link_libraries(scalar common-main)
 
 if(CURL_FOUND)
-	add_library(http_obj OBJECT ${CMAKE_SOURCE_DIR}/http.c)
+	add_library(http_obj OBJECT ${CMAKE_SOURCE_DIR}/lib/http.c)
 
 	add_executable(git-imap-send ${CMAKE_SOURCE_DIR}/imap-send.c)
 	target_link_libraries(git-imap-send http_obj common-main ${CURL_LIBRARIES})
 
-	add_executable(git-http-fetch ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/http-fetch.c)
+	add_executable(git-http-fetch ${CMAKE_SOURCE_DIR}/lib/http-walker.c ${CMAKE_SOURCE_DIR}/http-fetch.c)
 	target_link_libraries(git-http-fetch http_obj common-main ${CURL_LIBRARIES})
 
-	add_executable(git-remote-http ${CMAKE_SOURCE_DIR}/http-walker.c ${CMAKE_SOURCE_DIR}/remote-curl.c)
+	add_executable(git-remote-http ${CMAKE_SOURCE_DIR}/lib/http-walker.c ${CMAKE_SOURCE_DIR}/remote-curl.c)
 	target_link_libraries(git-remote-http http_obj common-main ${CURL_LIBRARIES} )
 
 	if(EXPAT_FOUND)
@@ -1201,7 +1202,7 @@ string(REPLACE "@USE_LIBPCRE2@" "" git_build_options "${git_build_options}")
 string(REPLACE "@WITH_BREAKING_CHANGES@" "" git_build_options "${git_build_options}")
 string(REPLACE "@X@" "${EXE_EXTENSION}" git_build_options "${git_build_options}")
 if(USE_VCPKG)
-	string(APPEND git_build_options "PATH=\"$PATH:$TEST_DIRECTORY/../compat/vcbuild/vcpkg/installed/x64-windows/bin\"\n")
+	string(APPEND git_build_options "PATH=\"$PATH:$TEST_DIRECTORY/../lib/compat/vcbuild/vcpkg/installed/x64-windows/bin\"\n")
 endif()
 file(WRITE ${CMAKE_BINARY_DIR}/GIT-BUILD-OPTIONS ${git_build_options})
 
diff --git a/git.rc.in b/git.rc.in
index e69444eef3..87cdefd50b 100644
--- a/git.rc.in
+++ b/git.rc.in
@@ -21,4 +21,4 @@ BEGIN
   END
 END
 
-1 RT_MANIFEST "compat/win32/git.manifest"
+1 RT_MANIFEST "lib/compat/win32/git.manifest"
diff --git a/abspath.c b/lib/abspath.c
similarity index 100%
rename from abspath.c
rename to lib/abspath.c
diff --git a/abspath.h b/lib/abspath.h
similarity index 100%
rename from abspath.h
rename to lib/abspath.h
diff --git a/add-interactive.c b/lib/add-interactive.c
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diff --git a/compat/fsmonitor/fsm-darwin-gcc.h b/lib/compat/fsmonitor/fsm-darwin-gcc.h
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diff --git a/compat/fsmonitor/fsm-ipc-unix.c b/lib/compat/fsmonitor/fsm-ipc-unix.c
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diff --git a/compat/fsmonitor/fsm-path-utils-darwin.c b/lib/compat/fsmonitor/fsm-path-utils-darwin.c
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diff --git a/compat/hstrerror.c b/lib/compat/hstrerror.c
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diff --git a/compat/inet_pton.c b/lib/compat/inet_pton.c
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diff --git a/compat/linux/procinfo.c b/lib/compat/linux/procinfo.c
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diff --git a/compat/mingw-posix.h b/lib/compat/mingw-posix.h
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diff --git a/compat/mkdir.c b/lib/compat/mkdir.c
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diff --git a/compat/mmap.c b/lib/compat/mmap.c
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diff --git a/compat/msvc-posix.h b/lib/compat/msvc-posix.h
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diff --git a/compat/nonblock.c b/lib/compat/nonblock.c
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diff --git a/compat/obstack.c b/lib/compat/obstack.c
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diff --git a/compat/open.c b/lib/compat/open.c
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diff --git a/compat/poll/poll.c b/lib/compat/poll/poll.c
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diff --git a/compat/poll/poll.h b/lib/compat/poll/poll.h
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diff --git a/compat/posix.h b/lib/compat/posix.h
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diff --git a/compat/pread.c b/lib/compat/pread.c
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diff --git a/compat/precompose_utf8.c b/lib/compat/precompose_utf8.c
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diff --git a/compat/qsort_s.c b/lib/compat/qsort_s.c
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diff --git a/compat/regex/regexec.c b/lib/compat/regex/regexec.c
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diff --git a/compat/setenv.c b/lib/compat/setenv.c
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diff --git a/compat/sha1-chunked.c b/lib/compat/sha1-chunked.c
similarity index 100%
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diff --git a/compat/sha1-chunked.h b/lib/compat/sha1-chunked.h
similarity index 100%
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diff --git a/compat/simple-ipc/ipc-shared.c b/lib/compat/simple-ipc/ipc-shared.c
similarity index 100%
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rename to lib/compat/simple-ipc/ipc-shared.c
diff --git a/compat/simple-ipc/ipc-unix-socket.c b/lib/compat/simple-ipc/ipc-unix-socket.c
similarity index 100%
rename from compat/simple-ipc/ipc-unix-socket.c
rename to lib/compat/simple-ipc/ipc-unix-socket.c
diff --git a/compat/simple-ipc/ipc-win32.c b/lib/compat/simple-ipc/ipc-win32.c
similarity index 100%
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rename to lib/compat/simple-ipc/ipc-win32.c
diff --git a/compat/snprintf.c b/lib/compat/snprintf.c
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diff --git a/compat/stat.c b/lib/compat/stat.c
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rename to lib/compat/stat.c
diff --git a/compat/strcasestr.c b/lib/compat/strcasestr.c
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rename to lib/compat/strcasestr.c
diff --git a/compat/strdup.c b/lib/compat/strdup.c
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rename to lib/compat/strdup.c
diff --git a/compat/strlcpy.c b/lib/compat/strlcpy.c
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rename to lib/compat/strlcpy.c
diff --git a/compat/strtoimax.c b/lib/compat/strtoimax.c
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rename to lib/compat/strtoimax.c
diff --git a/compat/strtoumax.c b/lib/compat/strtoumax.c
similarity index 100%
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rename to lib/compat/strtoumax.c
diff --git a/compat/stub/procinfo.c b/lib/compat/stub/procinfo.c
similarity index 100%
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rename to lib/compat/stub/procinfo.c
diff --git a/compat/terminal.c b/lib/compat/terminal.c
similarity index 100%
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rename to lib/compat/terminal.c
diff --git a/compat/terminal.h b/lib/compat/terminal.h
similarity index 100%
rename from compat/terminal.h
rename to lib/compat/terminal.h
diff --git a/compat/unsetenv.c b/lib/compat/unsetenv.c
similarity index 100%
rename from compat/unsetenv.c
rename to lib/compat/unsetenv.c
diff --git a/compat/vcbuild/.gitignore b/lib/compat/vcbuild/.gitignore
similarity index 100%
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rename to lib/compat/vcbuild/.gitignore
diff --git a/compat/vcbuild/README b/lib/compat/vcbuild/README
similarity index 94%
rename from compat/vcbuild/README
rename to lib/compat/vcbuild/README
index 29ec1d0f10..63ee00a4ef 100644
--- a/compat/vcbuild/README
+++ b/lib/compat/vcbuild/README
@@ -6,17 +6,17 @@ The Steps to Build Git with VS2015 or VS2017 from the command line.
    Prompt or from an SDK bash window:
 
    $ cd <repo_root>
-   $ ./compat/vcbuild/vcpkg_install.bat
+   $ ./lib/compat/vcbuild/vcpkg_install.bat
 
    The vcpkg tools and all of the third-party sources will be installed
    in this folder:
-      <repo_root>/compat/vcbuild/vcpkg/
+      <repo_root>/lib/compat/vcbuild/vcpkg/
 
    A file will be created with a set of Makefile macros pointing to a
    unified "include", "lib", and "bin" directory (release and debug) for
    all of the required packages.  This file will be included by the main
    Makefile:
-      <repo_root>/compat/vcbuild/MSVC-DEFS-GEN
+      <repo_root>/lib/compat/vcbuild/MSVC-DEFS-GEN
 
 2. OPTIONALLY copy the third-party *.dll and *.pdb files into the repo
    root to make it easier to run and debug git.exe without having to
@@ -26,8 +26,8 @@ The Steps to Build Git with VS2015 or VS2017 from the command line.
    Use ONE of the following forms which should match how you want to
    compile git.exe.
 
-   $ ./compat/vcbuild/vcpkg_copy_dlls.bat debug
-   $ ./compat/vcbuild/vcpkg_copy_dlls.bat release
+   $ ./lib/compat/vcbuild/vcpkg_copy_dlls.bat debug
+   $ ./lib/compat/vcbuild/vcpkg_copy_dlls.bat release
 
 3. Build git using MSVC from an SDK bash window using one of the
    following commands:
diff --git a/compat/vcbuild/find_vs_env.bat b/lib/compat/vcbuild/find_vs_env.bat
similarity index 98%
rename from compat/vcbuild/find_vs_env.bat
rename to lib/compat/vcbuild/find_vs_env.bat
index b35d264c0e..30e884b3d7 100644
--- a/compat/vcbuild/find_vs_env.bat
+++ b/lib/compat/vcbuild/find_vs_env.bat
@@ -25,7 +25,7 @@ REM
 REM The output of this script should be written to a make "include
 REM file" and referenced by the top-level Makefile.
 REM
-REM See "config.mak.uname" (look for compat/vcbuild/MSVC-DEFS-GEN).
+REM See "config.mak.uname" (look for lib/compat/vcbuild/MSVC-DEFS-GEN).
 REM ================================================================
 REM The provided command prompts are custom to each VS release and
 REM filled with lots of internal knowledge (such as Registry settings);
diff --git a/compat/vcbuild/include/sys/param.h b/lib/compat/vcbuild/include/sys/param.h
similarity index 100%
rename from compat/vcbuild/include/sys/param.h
rename to lib/compat/vcbuild/include/sys/param.h
diff --git a/compat/vcbuild/include/sys/time.h b/lib/compat/vcbuild/include/sys/time.h
similarity index 100%
rename from compat/vcbuild/include/sys/time.h
rename to lib/compat/vcbuild/include/sys/time.h
diff --git a/compat/vcbuild/include/sys/utime.h b/lib/compat/vcbuild/include/sys/utime.h
similarity index 100%
rename from compat/vcbuild/include/sys/utime.h
rename to lib/compat/vcbuild/include/sys/utime.h
diff --git a/compat/vcbuild/include/unistd.h b/lib/compat/vcbuild/include/unistd.h
similarity index 100%
rename from compat/vcbuild/include/unistd.h
rename to lib/compat/vcbuild/include/unistd.h
diff --git a/compat/vcbuild/include/utime.h b/lib/compat/vcbuild/include/utime.h
similarity index 100%
rename from compat/vcbuild/include/utime.h
rename to lib/compat/vcbuild/include/utime.h
diff --git a/compat/vcbuild/scripts/clink.pl b/lib/compat/vcbuild/scripts/clink.pl
similarity index 100%
rename from compat/vcbuild/scripts/clink.pl
rename to lib/compat/vcbuild/scripts/clink.pl
diff --git a/compat/vcbuild/scripts/lib.pl b/lib/compat/vcbuild/scripts/lib.pl
similarity index 100%
rename from compat/vcbuild/scripts/lib.pl
rename to lib/compat/vcbuild/scripts/lib.pl
diff --git a/compat/vcbuild/vcpkg_copy_dlls.bat b/lib/compat/vcbuild/vcpkg_copy_dlls.bat
similarity index 100%
rename from compat/vcbuild/vcpkg_copy_dlls.bat
rename to lib/compat/vcbuild/vcpkg_copy_dlls.bat
diff --git a/compat/vcbuild/vcpkg_install.bat b/lib/compat/vcbuild/vcpkg_install.bat
similarity index 95%
rename from compat/vcbuild/vcpkg_install.bat
rename to lib/compat/vcbuild/vcpkg_install.bat
index ebd0bad242..64c1b199e0 100644
--- a/compat/vcbuild/vcpkg_install.bat
+++ b/lib/compat/vcbuild/vcpkg_install.bat
@@ -5,10 +5,10 @@ REM it to build the third-party libraries that git requires when it
 REM is built using MSVC.
 REM
 REM [1] Install VCPKG.
-REM     [a] Create <root>/compat/vcbuild/vcpkg/
+REM     [a] Create <root>/lib/compat/vcbuild/vcpkg/
 REM     [b] Download "vcpkg".
 REM     [c] Compile using the currently installed version of VS.
-REM     [d] Create <root>/compat/vcbuild/vcpkg/vcpkg.exe
+REM     [d] Create <root>/lib/compat/vcbuild/vcpkg/vcpkg.exe
 REM
 REM [2] Install third-party libraries.
 REM     [a] Download each (which may also install CMAKE).
diff --git a/compat/win32.h b/lib/compat/win32.h
similarity index 100%
rename from compat/win32.h
rename to lib/compat/win32.h
diff --git a/compat/win32/alloca.h b/lib/compat/win32/alloca.h
similarity index 100%
rename from compat/win32/alloca.h
rename to lib/compat/win32/alloca.h
diff --git a/compat/win32/dirent.c b/lib/compat/win32/dirent.c
similarity index 100%
rename from compat/win32/dirent.c
rename to lib/compat/win32/dirent.c
diff --git a/compat/win32/dirent.h b/lib/compat/win32/dirent.h
similarity index 100%
rename from compat/win32/dirent.h
rename to lib/compat/win32/dirent.h
diff --git a/compat/win32/exit-process.h b/lib/compat/win32/exit-process.h
similarity index 100%
rename from compat/win32/exit-process.h
rename to lib/compat/win32/exit-process.h
diff --git a/compat/win32/flush.c b/lib/compat/win32/flush.c
similarity index 100%
rename from compat/win32/flush.c
rename to lib/compat/win32/flush.c
diff --git a/compat/win32/git.manifest b/lib/compat/win32/git.manifest
similarity index 100%
rename from compat/win32/git.manifest
rename to lib/compat/win32/git.manifest
diff --git a/compat/win32/headless.c b/lib/compat/win32/headless.c
similarity index 100%
rename from compat/win32/headless.c
rename to lib/compat/win32/headless.c
diff --git a/compat/win32/lazyload.h b/lib/compat/win32/lazyload.h
similarity index 100%
rename from compat/win32/lazyload.h
rename to lib/compat/win32/lazyload.h
diff --git a/compat/win32/path-utils.c b/lib/compat/win32/path-utils.c
similarity index 100%
rename from compat/win32/path-utils.c
rename to lib/compat/win32/path-utils.c
diff --git a/compat/win32/path-utils.h b/lib/compat/win32/path-utils.h
similarity index 100%
rename from compat/win32/path-utils.h
rename to lib/compat/win32/path-utils.h
diff --git a/compat/win32/pthread.c b/lib/compat/win32/pthread.c
similarity index 100%
rename from compat/win32/pthread.c
rename to lib/compat/win32/pthread.c
diff --git a/compat/win32/pthread.h b/lib/compat/win32/pthread.h
similarity index 100%
rename from compat/win32/pthread.h
rename to lib/compat/win32/pthread.h
diff --git a/compat/win32/syslog.c b/lib/compat/win32/syslog.c
similarity index 100%
rename from compat/win32/syslog.c
rename to lib/compat/win32/syslog.c
diff --git a/compat/win32/syslog.h b/lib/compat/win32/syslog.h
similarity index 100%
rename from compat/win32/syslog.h
rename to lib/compat/win32/syslog.h
diff --git a/compat/win32/trace2_win32_process_info.c b/lib/compat/win32/trace2_win32_process_info.c
similarity index 100%
rename from compat/win32/trace2_win32_process_info.c
rename to lib/compat/win32/trace2_win32_process_info.c
diff --git a/compat/win32mmap.c b/lib/compat/win32mmap.c
similarity index 100%
rename from compat/win32mmap.c
rename to lib/compat/win32mmap.c
diff --git a/compat/winansi.c b/lib/compat/winansi.c
similarity index 100%
rename from compat/winansi.c
rename to lib/compat/winansi.c
diff --git a/compat/zlib-compat.h b/lib/compat/zlib-compat.h
similarity index 100%
rename from compat/zlib-compat.h
rename to lib/compat/zlib-compat.h
diff --git a/compiler-tricks/not-constant.c b/lib/compiler-tricks/not-constant.c
similarity index 100%
rename from compiler-tricks/not-constant.c
rename to lib/compiler-tricks/not-constant.c
diff --git a/config.c b/lib/config.c
similarity index 100%
rename from config.c
rename to lib/config.c
diff --git a/config.h b/lib/config.h
similarity index 100%
rename from config.h
rename to lib/config.h
diff --git a/connect.c b/lib/connect.c
similarity index 100%
rename from connect.c
rename to lib/connect.c
diff --git a/connect.h b/lib/connect.h
similarity index 100%
rename from connect.h
rename to lib/connect.h
diff --git a/connected.c b/lib/connected.c
similarity index 100%
rename from connected.c
rename to lib/connected.c
diff --git a/connected.h b/lib/connected.h
similarity index 100%
rename from connected.h
rename to lib/connected.h
diff --git a/convert.c b/lib/convert.c
similarity index 100%
rename from convert.c
rename to lib/convert.c
diff --git a/convert.h b/lib/convert.h
similarity index 100%
rename from convert.h
rename to lib/convert.h
diff --git a/copy.c b/lib/copy.c
similarity index 100%
rename from copy.c
rename to lib/copy.c
diff --git a/copy.h b/lib/copy.h
similarity index 100%
rename from copy.h
rename to lib/copy.h
diff --git a/credential.c b/lib/credential.c
similarity index 100%
rename from credential.c
rename to lib/credential.c
diff --git a/credential.h b/lib/credential.h
similarity index 100%
rename from credential.h
rename to lib/credential.h
diff --git a/csum-file.c b/lib/csum-file.c
similarity index 100%
rename from csum-file.c
rename to lib/csum-file.c
diff --git a/csum-file.h b/lib/csum-file.h
similarity index 100%
rename from csum-file.h
rename to lib/csum-file.h
diff --git a/ctype.c b/lib/ctype.c
similarity index 100%
rename from ctype.c
rename to lib/ctype.c
diff --git a/date.c b/lib/date.c
similarity index 100%
rename from date.c
rename to lib/date.c
diff --git a/date.h b/lib/date.h
similarity index 100%
rename from date.h
rename to lib/date.h
diff --git a/decorate.c b/lib/decorate.c
similarity index 100%
rename from decorate.c
rename to lib/decorate.c
diff --git a/decorate.h b/lib/decorate.h
similarity index 100%
rename from decorate.h
rename to lib/decorate.h
diff --git a/delta-islands.c b/lib/delta-islands.c
similarity index 100%
rename from delta-islands.c
rename to lib/delta-islands.c
diff --git a/delta-islands.h b/lib/delta-islands.h
similarity index 100%
rename from delta-islands.h
rename to lib/delta-islands.h
diff --git a/delta.h b/lib/delta.h
similarity index 100%
rename from delta.h
rename to lib/delta.h
diff --git a/diagnose.c b/lib/diagnose.c
similarity index 100%
rename from diagnose.c
rename to lib/diagnose.c
diff --git a/diagnose.h b/lib/diagnose.h
similarity index 100%
rename from diagnose.h
rename to lib/diagnose.h
diff --git a/diff-delta.c b/lib/diff-delta.c
similarity index 100%
rename from diff-delta.c
rename to lib/diff-delta.c
diff --git a/diff-lib.c b/lib/diff-lib.c
similarity index 100%
rename from diff-lib.c
rename to lib/diff-lib.c
diff --git a/diff-merges.c b/lib/diff-merges.c
similarity index 100%
rename from diff-merges.c
rename to lib/diff-merges.c
diff --git a/diff-merges.h b/lib/diff-merges.h
similarity index 100%
rename from diff-merges.h
rename to lib/diff-merges.h
diff --git a/diff-no-index.c b/lib/diff-no-index.c
similarity index 100%
rename from diff-no-index.c
rename to lib/diff-no-index.c
diff --git a/diff.c b/lib/diff.c
similarity index 100%
rename from diff.c
rename to lib/diff.c
diff --git a/diff.h b/lib/diff.h
similarity index 100%
rename from diff.h
rename to lib/diff.h
diff --git a/diffcore-break.c b/lib/diffcore-break.c
similarity index 100%
rename from diffcore-break.c
rename to lib/diffcore-break.c
diff --git a/diffcore-delta.c b/lib/diffcore-delta.c
similarity index 100%
rename from diffcore-delta.c
rename to lib/diffcore-delta.c
diff --git a/diffcore-order.c b/lib/diffcore-order.c
similarity index 100%
rename from diffcore-order.c
rename to lib/diffcore-order.c
diff --git a/diffcore-pickaxe.c b/lib/diffcore-pickaxe.c
similarity index 100%
rename from diffcore-pickaxe.c
rename to lib/diffcore-pickaxe.c
diff --git a/diffcore-rename.c b/lib/diffcore-rename.c
similarity index 100%
rename from diffcore-rename.c
rename to lib/diffcore-rename.c
diff --git a/diffcore-rotate.c b/lib/diffcore-rotate.c
similarity index 100%
rename from diffcore-rotate.c
rename to lib/diffcore-rotate.c
diff --git a/diffcore.h b/lib/diffcore.h
similarity index 100%
rename from diffcore.h
rename to lib/diffcore.h
diff --git a/dir-iterator.c b/lib/dir-iterator.c
similarity index 100%
rename from dir-iterator.c
rename to lib/dir-iterator.c
diff --git a/dir-iterator.h b/lib/dir-iterator.h
similarity index 100%
rename from dir-iterator.h
rename to lib/dir-iterator.h
diff --git a/dir.c b/lib/dir.c
similarity index 100%
rename from dir.c
rename to lib/dir.c
diff --git a/dir.h b/lib/dir.h
similarity index 100%
rename from dir.h
rename to lib/dir.h
diff --git a/editor.c b/lib/editor.c
similarity index 100%
rename from editor.c
rename to lib/editor.c
diff --git a/editor.h b/lib/editor.h
similarity index 100%
rename from editor.h
rename to lib/editor.h
diff --git a/entry.c b/lib/entry.c
similarity index 100%
rename from entry.c
rename to lib/entry.c
diff --git a/entry.h b/lib/entry.h
similarity index 100%
rename from entry.h
rename to lib/entry.h
diff --git a/environment.c b/lib/environment.c
similarity index 100%
rename from environment.c
rename to lib/environment.c
diff --git a/environment.h b/lib/environment.h
similarity index 100%
rename from environment.h
rename to lib/environment.h
diff --git a/ewah/bitmap.c b/lib/ewah/bitmap.c
similarity index 100%
rename from ewah/bitmap.c
rename to lib/ewah/bitmap.c
diff --git a/ewah/ewah_bitmap.c b/lib/ewah/ewah_bitmap.c
similarity index 100%
rename from ewah/ewah_bitmap.c
rename to lib/ewah/ewah_bitmap.c
diff --git a/ewah/ewah_io.c b/lib/ewah/ewah_io.c
similarity index 100%
rename from ewah/ewah_io.c
rename to lib/ewah/ewah_io.c
diff --git a/ewah/ewah_rlw.c b/lib/ewah/ewah_rlw.c
similarity index 100%
rename from ewah/ewah_rlw.c
rename to lib/ewah/ewah_rlw.c
diff --git a/ewah/ewok.h b/lib/ewah/ewok.h
similarity index 100%
rename from ewah/ewok.h
rename to lib/ewah/ewok.h
diff --git a/ewah/ewok_rlw.h b/lib/ewah/ewok_rlw.h
similarity index 100%
rename from ewah/ewok_rlw.h
rename to lib/ewah/ewok_rlw.h
diff --git a/exec-cmd.c b/lib/exec-cmd.c
similarity index 100%
rename from exec-cmd.c
rename to lib/exec-cmd.c
diff --git a/exec-cmd.h b/lib/exec-cmd.h
similarity index 100%
rename from exec-cmd.h
rename to lib/exec-cmd.h
diff --git a/fetch-negotiator.c b/lib/fetch-negotiator.c
similarity index 100%
rename from fetch-negotiator.c
rename to lib/fetch-negotiator.c
diff --git a/fetch-negotiator.h b/lib/fetch-negotiator.h
similarity index 100%
rename from fetch-negotiator.h
rename to lib/fetch-negotiator.h
diff --git a/fetch-pack.c b/lib/fetch-pack.c
similarity index 100%
rename from fetch-pack.c
rename to lib/fetch-pack.c
diff --git a/fetch-pack.h b/lib/fetch-pack.h
similarity index 100%
rename from fetch-pack.h
rename to lib/fetch-pack.h
diff --git a/fmt-merge-msg.c b/lib/fmt-merge-msg.c
similarity index 100%
rename from fmt-merge-msg.c
rename to lib/fmt-merge-msg.c
diff --git a/fmt-merge-msg.h b/lib/fmt-merge-msg.h
similarity index 100%
rename from fmt-merge-msg.h
rename to lib/fmt-merge-msg.h
diff --git a/for-each-ref.h b/lib/for-each-ref.h
similarity index 100%
rename from for-each-ref.h
rename to lib/for-each-ref.h
diff --git a/fsck.c b/lib/fsck.c
similarity index 100%
rename from fsck.c
rename to lib/fsck.c
diff --git a/fsck.h b/lib/fsck.h
similarity index 100%
rename from fsck.h
rename to lib/fsck.h
diff --git a/fsmonitor--daemon.h b/lib/fsmonitor--daemon.h
similarity index 100%
rename from fsmonitor--daemon.h
rename to lib/fsmonitor--daemon.h
diff --git a/fsmonitor-ipc.c b/lib/fsmonitor-ipc.c
similarity index 100%
rename from fsmonitor-ipc.c
rename to lib/fsmonitor-ipc.c
diff --git a/fsmonitor-ipc.h b/lib/fsmonitor-ipc.h
similarity index 100%
rename from fsmonitor-ipc.h
rename to lib/fsmonitor-ipc.h
diff --git a/fsmonitor-ll.h b/lib/fsmonitor-ll.h
similarity index 100%
rename from fsmonitor-ll.h
rename to lib/fsmonitor-ll.h
diff --git a/fsmonitor-path-utils.h b/lib/fsmonitor-path-utils.h
similarity index 100%
rename from fsmonitor-path-utils.h
rename to lib/fsmonitor-path-utils.h
diff --git a/fsmonitor-settings.c b/lib/fsmonitor-settings.c
similarity index 100%
rename from fsmonitor-settings.c
rename to lib/fsmonitor-settings.c
diff --git a/fsmonitor-settings.h b/lib/fsmonitor-settings.h
similarity index 100%
rename from fsmonitor-settings.h
rename to lib/fsmonitor-settings.h
diff --git a/fsmonitor.c b/lib/fsmonitor.c
similarity index 100%
rename from fsmonitor.c
rename to lib/fsmonitor.c
diff --git a/fsmonitor.h b/lib/fsmonitor.h
similarity index 100%
rename from fsmonitor.h
rename to lib/fsmonitor.h
diff --git a/gettext.c b/lib/gettext.c
similarity index 100%
rename from gettext.c
rename to lib/gettext.c
diff --git a/gettext.h b/lib/gettext.h
similarity index 100%
rename from gettext.h
rename to lib/gettext.h
diff --git a/git-compat-util.h b/lib/git-compat-util.h
similarity index 100%
rename from git-compat-util.h
rename to lib/git-compat-util.h
diff --git a/git-curl-compat.h b/lib/git-curl-compat.h
similarity index 100%
rename from git-curl-compat.h
rename to lib/git-curl-compat.h
diff --git a/git-zlib.c b/lib/git-zlib.c
similarity index 100%
rename from git-zlib.c
rename to lib/git-zlib.c
diff --git a/git-zlib.h b/lib/git-zlib.h
similarity index 100%
rename from git-zlib.h
rename to lib/git-zlib.h
diff --git a/gpg-interface.c b/lib/gpg-interface.c
similarity index 100%
rename from gpg-interface.c
rename to lib/gpg-interface.c
diff --git a/gpg-interface.h b/lib/gpg-interface.h
similarity index 100%
rename from gpg-interface.h
rename to lib/gpg-interface.h
diff --git a/graph.c b/lib/graph.c
similarity index 100%
rename from graph.c
rename to lib/graph.c
diff --git a/graph.h b/lib/graph.h
similarity index 100%
rename from graph.h
rename to lib/graph.h
diff --git a/grep.c b/lib/grep.c
similarity index 100%
rename from grep.c
rename to lib/grep.c
diff --git a/grep.h b/lib/grep.h
similarity index 100%
rename from grep.h
rename to lib/grep.h
diff --git a/hash-lookup.c b/lib/hash-lookup.c
similarity index 100%
rename from hash-lookup.c
rename to lib/hash-lookup.c
diff --git a/hash-lookup.h b/lib/hash-lookup.h
similarity index 100%
rename from hash-lookup.h
rename to lib/hash-lookup.h
diff --git a/hash.c b/lib/hash.c
similarity index 100%
rename from hash.c
rename to lib/hash.c
diff --git a/hash.h b/lib/hash.h
similarity index 100%
rename from hash.h
rename to lib/hash.h
diff --git a/hashmap.c b/lib/hashmap.c
similarity index 100%
rename from hashmap.c
rename to lib/hashmap.c
diff --git a/hashmap.h b/lib/hashmap.h
similarity index 100%
rename from hashmap.h
rename to lib/hashmap.h
diff --git a/help.c b/lib/help.c
similarity index 100%
rename from help.c
rename to lib/help.c
diff --git a/help.h b/lib/help.h
similarity index 100%
rename from help.h
rename to lib/help.h
diff --git a/hex-ll.c b/lib/hex-ll.c
similarity index 100%
rename from hex-ll.c
rename to lib/hex-ll.c
diff --git a/hex-ll.h b/lib/hex-ll.h
similarity index 100%
rename from hex-ll.h
rename to lib/hex-ll.h
diff --git a/hex.c b/lib/hex.c
similarity index 100%
rename from hex.c
rename to lib/hex.c
diff --git a/hex.h b/lib/hex.h
similarity index 100%
rename from hex.h
rename to lib/hex.h
diff --git a/hook.c b/lib/hook.c
similarity index 100%
rename from hook.c
rename to lib/hook.c
diff --git a/hook.h b/lib/hook.h
similarity index 100%
rename from hook.h
rename to lib/hook.h
diff --git a/http-walker.c b/lib/http-walker.c
similarity index 100%
rename from http-walker.c
rename to lib/http-walker.c
diff --git a/http.c b/lib/http.c
similarity index 100%
rename from http.c
rename to lib/http.c
diff --git a/http.h b/lib/http.h
similarity index 100%
rename from http.h
rename to lib/http.h
diff --git a/ident.c b/lib/ident.c
similarity index 100%
rename from ident.c
rename to lib/ident.c
diff --git a/ident.h b/lib/ident.h
similarity index 100%
rename from ident.h
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diff --git a/symlinks.c b/lib/symlinks.c
similarity index 100%
rename from symlinks.c
rename to lib/symlinks.c
diff --git a/symlinks.h b/lib/symlinks.h
similarity index 100%
rename from symlinks.h
rename to lib/symlinks.h
diff --git a/tag.c b/lib/tag.c
similarity index 100%
rename from tag.c
rename to lib/tag.c
diff --git a/tag.h b/lib/tag.h
similarity index 100%
rename from tag.h
rename to lib/tag.h
diff --git a/tar.h b/lib/tar.h
similarity index 100%
rename from tar.h
rename to lib/tar.h
diff --git a/tempfile.c b/lib/tempfile.c
similarity index 100%
rename from tempfile.c
rename to lib/tempfile.c
diff --git a/tempfile.h b/lib/tempfile.h
similarity index 100%
rename from tempfile.h
rename to lib/tempfile.h
diff --git a/thread-utils.c b/lib/thread-utils.c
similarity index 100%
rename from thread-utils.c
rename to lib/thread-utils.c
diff --git a/thread-utils.h b/lib/thread-utils.h
similarity index 100%
rename from thread-utils.h
rename to lib/thread-utils.h
diff --git a/tmp-objdir.c b/lib/tmp-objdir.c
similarity index 100%
rename from tmp-objdir.c
rename to lib/tmp-objdir.c
diff --git a/tmp-objdir.h b/lib/tmp-objdir.h
similarity index 100%
rename from tmp-objdir.h
rename to lib/tmp-objdir.h
diff --git a/trace.c b/lib/trace.c
similarity index 100%
rename from trace.c
rename to lib/trace.c
diff --git a/trace.h b/lib/trace.h
similarity index 100%
rename from trace.h
rename to lib/trace.h
diff --git a/trace2.c b/lib/trace2.c
similarity index 100%
rename from trace2.c
rename to lib/trace2.c
diff --git a/trace2.h b/lib/trace2.h
similarity index 100%
rename from trace2.h
rename to lib/trace2.h
diff --git a/trace2/tr2_cfg.c b/lib/trace2/tr2_cfg.c
similarity index 100%
rename from trace2/tr2_cfg.c
rename to lib/trace2/tr2_cfg.c
diff --git a/trace2/tr2_cfg.h b/lib/trace2/tr2_cfg.h
similarity index 100%
rename from trace2/tr2_cfg.h
rename to lib/trace2/tr2_cfg.h
diff --git a/trace2/tr2_cmd_name.c b/lib/trace2/tr2_cmd_name.c
similarity index 100%
rename from trace2/tr2_cmd_name.c
rename to lib/trace2/tr2_cmd_name.c
diff --git a/trace2/tr2_cmd_name.h b/lib/trace2/tr2_cmd_name.h
similarity index 100%
rename from trace2/tr2_cmd_name.h
rename to lib/trace2/tr2_cmd_name.h
diff --git a/trace2/tr2_ctr.c b/lib/trace2/tr2_ctr.c
similarity index 100%
rename from trace2/tr2_ctr.c
rename to lib/trace2/tr2_ctr.c
diff --git a/trace2/tr2_ctr.h b/lib/trace2/tr2_ctr.h
similarity index 100%
rename from trace2/tr2_ctr.h
rename to lib/trace2/tr2_ctr.h
diff --git a/trace2/tr2_dst.c b/lib/trace2/tr2_dst.c
similarity index 100%
rename from trace2/tr2_dst.c
rename to lib/trace2/tr2_dst.c
diff --git a/trace2/tr2_dst.h b/lib/trace2/tr2_dst.h
similarity index 100%
rename from trace2/tr2_dst.h
rename to lib/trace2/tr2_dst.h
diff --git a/trace2/tr2_sid.c b/lib/trace2/tr2_sid.c
similarity index 100%
rename from trace2/tr2_sid.c
rename to lib/trace2/tr2_sid.c
diff --git a/trace2/tr2_sid.h b/lib/trace2/tr2_sid.h
similarity index 100%
rename from trace2/tr2_sid.h
rename to lib/trace2/tr2_sid.h
diff --git a/trace2/tr2_sysenv.c b/lib/trace2/tr2_sysenv.c
similarity index 100%
rename from trace2/tr2_sysenv.c
rename to lib/trace2/tr2_sysenv.c
diff --git a/trace2/tr2_sysenv.h b/lib/trace2/tr2_sysenv.h
similarity index 100%
rename from trace2/tr2_sysenv.h
rename to lib/trace2/tr2_sysenv.h
diff --git a/trace2/tr2_tbuf.c b/lib/trace2/tr2_tbuf.c
similarity index 100%
rename from trace2/tr2_tbuf.c
rename to lib/trace2/tr2_tbuf.c
diff --git a/trace2/tr2_tbuf.h b/lib/trace2/tr2_tbuf.h
similarity index 100%
rename from trace2/tr2_tbuf.h
rename to lib/trace2/tr2_tbuf.h
diff --git a/trace2/tr2_tgt.h b/lib/trace2/tr2_tgt.h
similarity index 100%
rename from trace2/tr2_tgt.h
rename to lib/trace2/tr2_tgt.h
diff --git a/trace2/tr2_tgt_event.c b/lib/trace2/tr2_tgt_event.c
similarity index 100%
rename from trace2/tr2_tgt_event.c
rename to lib/trace2/tr2_tgt_event.c
diff --git a/trace2/tr2_tgt_normal.c b/lib/trace2/tr2_tgt_normal.c
similarity index 100%
rename from trace2/tr2_tgt_normal.c
rename to lib/trace2/tr2_tgt_normal.c
diff --git a/trace2/tr2_tgt_perf.c b/lib/trace2/tr2_tgt_perf.c
similarity index 100%
rename from trace2/tr2_tgt_perf.c
rename to lib/trace2/tr2_tgt_perf.c
diff --git a/trace2/tr2_tls.c b/lib/trace2/tr2_tls.c
similarity index 100%
rename from trace2/tr2_tls.c
rename to lib/trace2/tr2_tls.c
diff --git a/trace2/tr2_tls.h b/lib/trace2/tr2_tls.h
similarity index 100%
rename from trace2/tr2_tls.h
rename to lib/trace2/tr2_tls.h
diff --git a/trace2/tr2_tmr.c b/lib/trace2/tr2_tmr.c
similarity index 100%
rename from trace2/tr2_tmr.c
rename to lib/trace2/tr2_tmr.c
diff --git a/trace2/tr2_tmr.h b/lib/trace2/tr2_tmr.h
similarity index 100%
rename from trace2/tr2_tmr.h
rename to lib/trace2/tr2_tmr.h
diff --git a/trailer.c b/lib/trailer.c
similarity index 100%
rename from trailer.c
rename to lib/trailer.c
diff --git a/trailer.h b/lib/trailer.h
similarity index 100%
rename from trailer.h
rename to lib/trailer.h
diff --git a/transport-helper.c b/lib/transport-helper.c
similarity index 100%
rename from transport-helper.c
rename to lib/transport-helper.c
diff --git a/transport-internal.h b/lib/transport-internal.h
similarity index 100%
rename from transport-internal.h
rename to lib/transport-internal.h
diff --git a/transport.c b/lib/transport.c
similarity index 100%
rename from transport.c
rename to lib/transport.c
diff --git a/transport.h b/lib/transport.h
similarity index 100%
rename from transport.h
rename to lib/transport.h
diff --git a/tree-diff.c b/lib/tree-diff.c
similarity index 100%
rename from tree-diff.c
rename to lib/tree-diff.c
diff --git a/tree-walk.c b/lib/tree-walk.c
similarity index 100%
rename from tree-walk.c
rename to lib/tree-walk.c
diff --git a/tree-walk.h b/lib/tree-walk.h
similarity index 100%
rename from tree-walk.h
rename to lib/tree-walk.h
diff --git a/tree.c b/lib/tree.c
similarity index 100%
rename from tree.c
rename to lib/tree.c
diff --git a/tree.h b/lib/tree.h
similarity index 100%
rename from tree.h
rename to lib/tree.h
diff --git a/unicode-width.h b/lib/unicode-width.h
similarity index 100%
rename from unicode-width.h
rename to lib/unicode-width.h
diff --git a/unix-socket.c b/lib/unix-socket.c
similarity index 100%
rename from unix-socket.c
rename to lib/unix-socket.c
diff --git a/unix-socket.h b/lib/unix-socket.h
similarity index 100%
rename from unix-socket.h
rename to lib/unix-socket.h
diff --git a/unix-stream-server.c b/lib/unix-stream-server.c
similarity index 100%
rename from unix-stream-server.c
rename to lib/unix-stream-server.c
diff --git a/unix-stream-server.h b/lib/unix-stream-server.h
similarity index 100%
rename from unix-stream-server.h
rename to lib/unix-stream-server.h
diff --git a/unpack-trees.c b/lib/unpack-trees.c
similarity index 100%
rename from unpack-trees.c
rename to lib/unpack-trees.c
diff --git a/unpack-trees.h b/lib/unpack-trees.h
similarity index 100%
rename from unpack-trees.h
rename to lib/unpack-trees.h
diff --git a/upload-pack.c b/lib/upload-pack.c
similarity index 100%
rename from upload-pack.c
rename to lib/upload-pack.c
diff --git a/upload-pack.h b/lib/upload-pack.h
similarity index 100%
rename from upload-pack.h
rename to lib/upload-pack.h
diff --git a/url.c b/lib/url.c
similarity index 100%
rename from url.c
rename to lib/url.c
diff --git a/url.h b/lib/url.h
similarity index 100%
rename from url.h
rename to lib/url.h
diff --git a/urlmatch.c b/lib/urlmatch.c
similarity index 100%
rename from urlmatch.c
rename to lib/urlmatch.c
diff --git a/urlmatch.h b/lib/urlmatch.h
similarity index 100%
rename from urlmatch.h
rename to lib/urlmatch.h
diff --git a/usage.c b/lib/usage.c
similarity index 100%
rename from usage.c
rename to lib/usage.c
diff --git a/userdiff.c b/lib/userdiff.c
similarity index 100%
rename from userdiff.c
rename to lib/userdiff.c
diff --git a/userdiff.h b/lib/userdiff.h
similarity index 100%
rename from userdiff.h
rename to lib/userdiff.h
diff --git a/utf8.c b/lib/utf8.c
similarity index 100%
rename from utf8.c
rename to lib/utf8.c
diff --git a/utf8.h b/lib/utf8.h
similarity index 100%
rename from utf8.h
rename to lib/utf8.h
diff --git a/varint.c b/lib/varint.c
similarity index 100%
rename from varint.c
rename to lib/varint.c
diff --git a/varint.h b/lib/varint.h
similarity index 100%
rename from varint.h
rename to lib/varint.h
diff --git a/version-def.h.in b/lib/version-def.h.in
similarity index 100%
rename from version-def.h.in
rename to lib/version-def.h.in
diff --git a/version.c b/lib/version.c
similarity index 100%
rename from version.c
rename to lib/version.c
diff --git a/version.h b/lib/version.h
similarity index 100%
rename from version.h
rename to lib/version.h
diff --git a/versioncmp.c b/lib/versioncmp.c
similarity index 100%
rename from versioncmp.c
rename to lib/versioncmp.c
diff --git a/versioncmp.h b/lib/versioncmp.h
similarity index 100%
rename from versioncmp.h
rename to lib/versioncmp.h
diff --git a/walker.c b/lib/walker.c
similarity index 100%
rename from walker.c
rename to lib/walker.c
diff --git a/walker.h b/lib/walker.h
similarity index 100%
rename from walker.h
rename to lib/walker.h
diff --git a/wildmatch.c b/lib/wildmatch.c
similarity index 100%
rename from wildmatch.c
rename to lib/wildmatch.c
diff --git a/wildmatch.h b/lib/wildmatch.h
similarity index 100%
rename from wildmatch.h
rename to lib/wildmatch.h
diff --git a/worktree.c b/lib/worktree.c
similarity index 100%
rename from worktree.c
rename to lib/worktree.c
diff --git a/worktree.h b/lib/worktree.h
similarity index 100%
rename from worktree.h
rename to lib/worktree.h
diff --git a/wrapper.c b/lib/wrapper.c
similarity index 100%
rename from wrapper.c
rename to lib/wrapper.c
diff --git a/wrapper.h b/lib/wrapper.h
similarity index 100%
rename from wrapper.h
rename to lib/wrapper.h
diff --git a/write-or-die.c b/lib/write-or-die.c
similarity index 100%
rename from write-or-die.c
rename to lib/write-or-die.c
diff --git a/write-or-die.h b/lib/write-or-die.h
similarity index 100%
rename from write-or-die.h
rename to lib/write-or-die.h
diff --git a/ws.c b/lib/ws.c
similarity index 100%
rename from ws.c
rename to lib/ws.c
diff --git a/ws.h b/lib/ws.h
similarity index 100%
rename from ws.h
rename to lib/ws.h
diff --git a/wt-status.c b/lib/wt-status.c
similarity index 100%
rename from wt-status.c
rename to lib/wt-status.c
diff --git a/wt-status.h b/lib/wt-status.h
similarity index 100%
rename from wt-status.h
rename to lib/wt-status.h
diff --git a/xdiff-interface.c b/lib/xdiff-interface.c
similarity index 100%
rename from xdiff-interface.c
rename to lib/xdiff-interface.c
diff --git a/xdiff-interface.h b/lib/xdiff-interface.h
similarity index 100%
rename from xdiff-interface.h
rename to lib/xdiff-interface.h
diff --git a/xdiff/xdiff.h b/lib/xdiff/xdiff.h
similarity index 100%
rename from xdiff/xdiff.h
rename to lib/xdiff/xdiff.h
diff --git a/xdiff/xdiffi.c b/lib/xdiff/xdiffi.c
similarity index 100%
rename from xdiff/xdiffi.c
rename to lib/xdiff/xdiffi.c
diff --git a/xdiff/xdiffi.h b/lib/xdiff/xdiffi.h
similarity index 100%
rename from xdiff/xdiffi.h
rename to lib/xdiff/xdiffi.h
diff --git a/xdiff/xemit.c b/lib/xdiff/xemit.c
similarity index 100%
rename from xdiff/xemit.c
rename to lib/xdiff/xemit.c
diff --git a/xdiff/xemit.h b/lib/xdiff/xemit.h
similarity index 100%
rename from xdiff/xemit.h
rename to lib/xdiff/xemit.h
diff --git a/xdiff/xhistogram.c b/lib/xdiff/xhistogram.c
similarity index 100%
rename from xdiff/xhistogram.c
rename to lib/xdiff/xhistogram.c
diff --git a/xdiff/xinclude.h b/lib/xdiff/xinclude.h
similarity index 100%
rename from xdiff/xinclude.h
rename to lib/xdiff/xinclude.h
diff --git a/xdiff/xmacros.h b/lib/xdiff/xmacros.h
similarity index 100%
rename from xdiff/xmacros.h
rename to lib/xdiff/xmacros.h
diff --git a/xdiff/xmerge.c b/lib/xdiff/xmerge.c
similarity index 100%
rename from xdiff/xmerge.c
rename to lib/xdiff/xmerge.c
diff --git a/xdiff/xpatience.c b/lib/xdiff/xpatience.c
similarity index 100%
rename from xdiff/xpatience.c
rename to lib/xdiff/xpatience.c
diff --git a/xdiff/xprepare.c b/lib/xdiff/xprepare.c
similarity index 100%
rename from xdiff/xprepare.c
rename to lib/xdiff/xprepare.c
diff --git a/xdiff/xprepare.h b/lib/xdiff/xprepare.h
similarity index 100%
rename from xdiff/xprepare.h
rename to lib/xdiff/xprepare.h
diff --git a/xdiff/xtypes.h b/lib/xdiff/xtypes.h
similarity index 100%
rename from xdiff/xtypes.h
rename to lib/xdiff/xtypes.h
diff --git a/xdiff/xutils.c b/lib/xdiff/xutils.c
similarity index 100%
rename from xdiff/xutils.c
rename to lib/xdiff/xutils.c
diff --git a/xdiff/xutils.h b/lib/xdiff/xutils.h
similarity index 100%
rename from xdiff/xutils.h
rename to lib/xdiff/xutils.h
diff --git a/meson.build b/meson.build
index ca235801cf..2f90bed441 100644
--- a/meson.build
+++ b/meson.build
@@ -272,293 +272,293 @@ version_gen_environment.set('GIT_VERSION', get_option('version'))
 compiler = meson.get_compiler('c')
 
 compat_sources = [
-  'compat/nonblock.c',
-  'compat/obstack.c',
-  'compat/open.c',
-  'compat/terminal.c',
+  'lib/compat/nonblock.c',
+  'lib/compat/obstack.c',
+  'lib/compat/open.c',
+  'lib/compat/terminal.c',
 ]
 
 libgit_sources = [
-  'abspath.c',
-  'add-interactive.c',
-  'add-patch.c',
-  'advice.c',
-  'alias.c',
-  'alloc.c',
-  'apply.c',
-  'archive-tar.c',
-  'archive-zip.c',
-  'archive.c',
-  'attr.c',
-  'base85.c',
-  'bisect.c',
-  'blame.c',
-  'blob.c',
-  'bloom.c',
-  'branch.c',
-  'bundle-uri.c',
-  'bundle.c',
-  'cache-tree.c',
-  'cbtree.c',
-  'chdir-notify.c',
-  'checkout.c',
-  'chunk-format.c',
-  'color.c',
-  'column.c',
-  'combine-diff.c',
-  'commit-graph.c',
-  'commit-reach.c',
-  'commit.c',
-  'common-exit.c',
-  'common-init.c',
-  'compiler-tricks/not-constant.c',
-  'config.c',
-  'connect.c',
-  'connected.c',
-  'convert.c',
-  'copy.c',
-  'credential.c',
-  'csum-file.c',
-  'ctype.c',
-  'date.c',
-  'decorate.c',
-  'delta-islands.c',
-  'diagnose.c',
-  'diff-delta.c',
-  'diff-merges.c',
-  'diff-lib.c',
-  'diff-no-index.c',
-  'diff.c',
-  'diffcore-break.c',
-  'diffcore-delta.c',
-  'diffcore-order.c',
-  'diffcore-pickaxe.c',
-  'diffcore-rename.c',
-  'diffcore-rotate.c',
-  'dir-iterator.c',
-  'dir.c',
-  'editor.c',
-  'entry.c',
-  'environment.c',
-  'ewah/bitmap.c',
-  'ewah/ewah_bitmap.c',
-  'ewah/ewah_io.c',
-  'ewah/ewah_rlw.c',
-  'exec-cmd.c',
-  'fetch-negotiator.c',
-  'fetch-pack.c',
-  'fmt-merge-msg.c',
-  'fsck.c',
-  'fsmonitor.c',
-  'fsmonitor-ipc.c',
-  'fsmonitor-settings.c',
-  'gettext.c',
-  'git-zlib.c',
-  'gpg-interface.c',
-  'graph.c',
-  'grep.c',
-  'hash-lookup.c',
-  'hash.c',
-  'hashmap.c',
-  'help.c',
-  'hex.c',
-  'hex-ll.c',
-  'hook.c',
-  'ident.c',
-  'json-writer.c',
-  'kwset.c',
-  'levenshtein.c',
-  'line-log.c',
-  'line-range.c',
-  'linear-assignment.c',
-  'list-objects-filter-options.c',
-  'list-objects-filter.c',
-  'list-objects.c',
-  'lockfile.c',
-  'log-tree.c',
-  'loose.c',
-  'ls-refs.c',
-  'mailinfo.c',
-  'mailmap.c',
-  'match-trees.c',
-  'mem-pool.c',
-  'merge-blobs.c',
-  'merge-ll.c',
-  'merge-ort.c',
-  'merge-ort-wrappers.c',
-  'merge.c',
-  'midx.c',
-  'midx-write.c',
-  'name-hash.c',
-  'negotiator/default.c',
-  'negotiator/noop.c',
-  'negotiator/skipping.c',
-  'notes-cache.c',
-  'notes-merge.c',
-  'notes-utils.c',
-  'notes.c',
-  'object-file-convert.c',
-  'object-file.c',
-  'object-name.c',
-  'object.c',
-  'odb.c',
-  'odb/source.c',
-  'odb/source-files.c',
-  'odb/source-inmemory.c',
-  'odb/source-loose.c',
-  'odb/source-packed.c',
-  'odb/streaming.c',
-  'odb/transaction.c',
-  'oid-array.c',
-  'oidmap.c',
-  'oidset.c',
-  'oidtree.c',
-  'pack-bitmap-write.c',
-  'pack-bitmap.c',
-  'pack-check.c',
-  'pack-mtimes.c',
-  'pack-objects.c',
-  'pack-refs.c',
-  'pack-revindex.c',
-  'pack-write.c',
-  'packfile.c',
-  'packfile-list.c',
-  'pager.c',
-  'parallel-checkout.c',
-  'parse.c',
-  'parse-options-cb.c',
-  'parse-options.c',
-  'patch-delta.c',
-  'patch-ids.c',
-  'path.c',
-  'path-walk.c',
-  'pathspec.c',
-  'pkt-line.c',
-  'preload-index.c',
-  'pretty.c',
-  'prio-queue.c',
-  'progress.c',
-  'promisor-remote.c',
-  'prompt.c',
-  'protocol.c',
-  'protocol-caps.c',
-  'prune-packed.c',
-  'pseudo-merge.c',
-  'quote.c',
-  'range-diff.c',
-  'reachable.c',
-  'read-cache.c',
-  'rebase-interactive.c',
-  'rebase.c',
-  'ref-filter.c',
-  'reflog-walk.c',
-  'reflog.c',
-  'refs.c',
-  'refs/debug.c',
-  'refs/files-backend.c',
-  'refs/reftable-backend.c',
-  'refs/iterator.c',
-  'refs/packed-backend.c',
-  'refs/ref-cache.c',
-  'refspec.c',
-  'reftable/basics.c',
-  'reftable/error.c',
-  'reftable/block.c',
-  'reftable/blocksource.c',
-  'reftable/fsck.c',
-  'reftable/iter.c',
-  'reftable/merged.c',
-  'reftable/pq.c',
-  'reftable/record.c',
-  'reftable/stack.c',
-  'reftable/system.c',
-  'reftable/table.c',
-  'reftable/tree.c',
-  'reftable/writer.c',
-  'remote.c',
-  'repack.c',
-  'repack-cruft.c',
-  'repack-filtered.c',
-  'repack-geometry.c',
-  'repack-midx.c',
-  'repack-promisor.c',
-  'replace-object.c',
-  'replay.c',
-  'repo-settings.c',
-  'repository.c',
-  'rerere.c',
-  'reset.c',
-  'resolve-undo.c',
-  'revision.c',
-  'run-command.c',
-  'send-pack.c',
-  'sequencer.c',
-  'serve.c',
-  'server-info.c',
-  'setup.c',
-  'shallow.c',
-  'sideband.c',
-  'sigchain.c',
-  'sparse-index.c',
-  'split-index.c',
-  'stable-qsort.c',
-  'statinfo.c',
-  'strbuf.c',
-  'string-list.c',
-  'strmap.c',
-  'strvec.c',
-  'sub-process.c',
-  'submodule-config.c',
-  'submodule.c',
-  'symlinks.c',
-  'tag.c',
-  'tempfile.c',
-  'thread-utils.c',
-  'tmp-objdir.c',
-  'trace.c',
-  'trace2.c',
-  'trace2/tr2_cfg.c',
-  'trace2/tr2_cmd_name.c',
-  'trace2/tr2_ctr.c',
-  'trace2/tr2_dst.c',
-  'trace2/tr2_sid.c',
-  'trace2/tr2_sysenv.c',
-  'trace2/tr2_tbuf.c',
-  'trace2/tr2_tgt_event.c',
-  'trace2/tr2_tgt_normal.c',
-  'trace2/tr2_tgt_perf.c',
-  'trace2/tr2_tls.c',
-  'trace2/tr2_tmr.c',
-  'trailer.c',
-  'transport-helper.c',
-  'transport.c',
-  'tree-diff.c',
-  'tree-walk.c',
-  'tree.c',
-  'unpack-trees.c',
-  'upload-pack.c',
-  'url.c',
-  'urlmatch.c',
-  'usage.c',
-  'userdiff.c',
-  'utf8.c',
-  'version.c',
-  'versioncmp.c',
-  'walker.c',
-  'wildmatch.c',
-  'worktree.c',
-  'wrapper.c',
-  'write-or-die.c',
-  'ws.c',
-  'wt-status.c',
-  'xdiff-interface.c',
-  'xdiff/xdiffi.c',
-  'xdiff/xemit.c',
-  'xdiff/xhistogram.c',
-  'xdiff/xmerge.c',
-  'xdiff/xpatience.c',
-  'xdiff/xprepare.c',
-  'xdiff/xutils.c',
+  'lib/abspath.c',
+  'lib/add-interactive.c',
+  'lib/add-patch.c',
+  'lib/advice.c',
+  'lib/alias.c',
+  'lib/alloc.c',
+  'lib/apply.c',
+  'lib/archive-tar.c',
+  'lib/archive-zip.c',
+  'lib/archive.c',
+  'lib/attr.c',
+  'lib/base85.c',
+  'lib/bisect.c',
+  'lib/blame.c',
+  'lib/blob.c',
+  'lib/bloom.c',
+  'lib/branch.c',
+  'lib/bundle-uri.c',
+  'lib/bundle.c',
+  'lib/cache-tree.c',
+  'lib/cbtree.c',
+  'lib/chdir-notify.c',
+  'lib/checkout.c',
+  'lib/chunk-format.c',
+  'lib/color.c',
+  'lib/column.c',
+  'lib/combine-diff.c',
+  'lib/commit-graph.c',
+  'lib/commit-reach.c',
+  'lib/commit.c',
+  'lib/common-exit.c',
+  'lib/common-init.c',
+  'lib/compiler-tricks/not-constant.c',
+  'lib/config.c',
+  'lib/connect.c',
+  'lib/connected.c',
+  'lib/convert.c',
+  'lib/copy.c',
+  'lib/credential.c',
+  'lib/csum-file.c',
+  'lib/ctype.c',
+  'lib/date.c',
+  'lib/decorate.c',
+  'lib/delta-islands.c',
+  'lib/diagnose.c',
+  'lib/diff-delta.c',
+  'lib/diff-merges.c',
+  'lib/diff-lib.c',
+  'lib/diff-no-index.c',
+  'lib/diff.c',
+  'lib/diffcore-break.c',
+  'lib/diffcore-delta.c',
+  'lib/diffcore-order.c',
+  'lib/diffcore-pickaxe.c',
+  'lib/diffcore-rename.c',
+  'lib/diffcore-rotate.c',
+  'lib/dir-iterator.c',
+  'lib/dir.c',
+  'lib/editor.c',
+  'lib/entry.c',
+  'lib/environment.c',
+  'lib/ewah/bitmap.c',
+  'lib/ewah/ewah_bitmap.c',
+  'lib/ewah/ewah_io.c',
+  'lib/ewah/ewah_rlw.c',
+  'lib/exec-cmd.c',
+  'lib/fetch-negotiator.c',
+  'lib/fetch-pack.c',
+  'lib/fmt-merge-msg.c',
+  'lib/fsck.c',
+  'lib/fsmonitor.c',
+  'lib/fsmonitor-ipc.c',
+  'lib/fsmonitor-settings.c',
+  'lib/gettext.c',
+  'lib/git-zlib.c',
+  'lib/gpg-interface.c',
+  'lib/graph.c',
+  'lib/grep.c',
+  'lib/hash-lookup.c',
+  'lib/hash.c',
+  'lib/hashmap.c',
+  'lib/help.c',
+  'lib/hex.c',
+  'lib/hex-ll.c',
+  'lib/hook.c',
+  'lib/ident.c',
+  'lib/json-writer.c',
+  'lib/kwset.c',
+  'lib/levenshtein.c',
+  'lib/line-log.c',
+  'lib/line-range.c',
+  'lib/linear-assignment.c',
+  'lib/list-objects-filter-options.c',
+  'lib/list-objects-filter.c',
+  'lib/list-objects.c',
+  'lib/lockfile.c',
+  'lib/log-tree.c',
+  'lib/loose.c',
+  'lib/ls-refs.c',
+  'lib/mailinfo.c',
+  'lib/mailmap.c',
+  'lib/match-trees.c',
+  'lib/mem-pool.c',
+  'lib/merge-blobs.c',
+  'lib/merge-ll.c',
+  'lib/merge-ort.c',
+  'lib/merge-ort-wrappers.c',
+  'lib/merge.c',
+  'lib/midx.c',
+  'lib/midx-write.c',
+  'lib/name-hash.c',
+  'lib/negotiator/default.c',
+  'lib/negotiator/noop.c',
+  'lib/negotiator/skipping.c',
+  'lib/notes-cache.c',
+  'lib/notes-merge.c',
+  'lib/notes-utils.c',
+  'lib/notes.c',
+  'lib/object-file-convert.c',
+  'lib/object-file.c',
+  'lib/object-name.c',
+  'lib/object.c',
+  'lib/odb.c',
+  'lib/odb/source.c',
+  'lib/odb/source-files.c',
+  'lib/odb/source-inmemory.c',
+  'lib/odb/source-loose.c',
+  'lib/odb/source-packed.c',
+  'lib/odb/streaming.c',
+  'lib/odb/transaction.c',
+  'lib/oid-array.c',
+  'lib/oidmap.c',
+  'lib/oidset.c',
+  'lib/oidtree.c',
+  'lib/pack-bitmap-write.c',
+  'lib/pack-bitmap.c',
+  'lib/pack-check.c',
+  'lib/pack-mtimes.c',
+  'lib/pack-objects.c',
+  'lib/pack-refs.c',
+  'lib/pack-revindex.c',
+  'lib/pack-write.c',
+  'lib/packfile.c',
+  'lib/packfile-list.c',
+  'lib/pager.c',
+  'lib/parallel-checkout.c',
+  'lib/parse.c',
+  'lib/parse-options-cb.c',
+  'lib/parse-options.c',
+  'lib/patch-delta.c',
+  'lib/patch-ids.c',
+  'lib/path.c',
+  'lib/path-walk.c',
+  'lib/pathspec.c',
+  'lib/pkt-line.c',
+  'lib/preload-index.c',
+  'lib/pretty.c',
+  'lib/prio-queue.c',
+  'lib/progress.c',
+  'lib/promisor-remote.c',
+  'lib/prompt.c',
+  'lib/protocol.c',
+  'lib/protocol-caps.c',
+  'lib/prune-packed.c',
+  'lib/pseudo-merge.c',
+  'lib/quote.c',
+  'lib/range-diff.c',
+  'lib/reachable.c',
+  'lib/read-cache.c',
+  'lib/rebase-interactive.c',
+  'lib/rebase.c',
+  'lib/ref-filter.c',
+  'lib/reflog-walk.c',
+  'lib/reflog.c',
+  'lib/refs.c',
+  'lib/refs/debug.c',
+  'lib/refs/files-backend.c',
+  'lib/refs/reftable-backend.c',
+  'lib/refs/iterator.c',
+  'lib/refs/packed-backend.c',
+  'lib/refs/ref-cache.c',
+  'lib/refspec.c',
+  'lib/reftable/basics.c',
+  'lib/reftable/error.c',
+  'lib/reftable/block.c',
+  'lib/reftable/blocksource.c',
+  'lib/reftable/fsck.c',
+  'lib/reftable/iter.c',
+  'lib/reftable/merged.c',
+  'lib/reftable/pq.c',
+  'lib/reftable/record.c',
+  'lib/reftable/stack.c',
+  'lib/reftable/system.c',
+  'lib/reftable/table.c',
+  'lib/reftable/tree.c',
+  'lib/reftable/writer.c',
+  'lib/remote.c',
+  'lib/repack.c',
+  'lib/repack-cruft.c',
+  'lib/repack-filtered.c',
+  'lib/repack-geometry.c',
+  'lib/repack-midx.c',
+  'lib/repack-promisor.c',
+  'lib/replace-object.c',
+  'lib/replay.c',
+  'lib/repo-settings.c',
+  'lib/repository.c',
+  'lib/rerere.c',
+  'lib/reset.c',
+  'lib/resolve-undo.c',
+  'lib/revision.c',
+  'lib/run-command.c',
+  'lib/send-pack.c',
+  'lib/sequencer.c',
+  'lib/serve.c',
+  'lib/server-info.c',
+  'lib/setup.c',
+  'lib/shallow.c',
+  'lib/sideband.c',
+  'lib/sigchain.c',
+  'lib/sparse-index.c',
+  'lib/split-index.c',
+  'lib/stable-qsort.c',
+  'lib/statinfo.c',
+  'lib/strbuf.c',
+  'lib/string-list.c',
+  'lib/strmap.c',
+  'lib/strvec.c',
+  'lib/sub-process.c',
+  'lib/submodule-config.c',
+  'lib/submodule.c',
+  'lib/symlinks.c',
+  'lib/tag.c',
+  'lib/tempfile.c',
+  'lib/thread-utils.c',
+  'lib/tmp-objdir.c',
+  'lib/trace.c',
+  'lib/trace2.c',
+  'lib/trace2/tr2_cfg.c',
+  'lib/trace2/tr2_cmd_name.c',
+  'lib/trace2/tr2_ctr.c',
+  'lib/trace2/tr2_dst.c',
+  'lib/trace2/tr2_sid.c',
+  'lib/trace2/tr2_sysenv.c',
+  'lib/trace2/tr2_tbuf.c',
+  'lib/trace2/tr2_tgt_event.c',
+  'lib/trace2/tr2_tgt_normal.c',
+  'lib/trace2/tr2_tgt_perf.c',
+  'lib/trace2/tr2_tls.c',
+  'lib/trace2/tr2_tmr.c',
+  'lib/trailer.c',
+  'lib/transport-helper.c',
+  'lib/transport.c',
+  'lib/tree-diff.c',
+  'lib/tree-walk.c',
+  'lib/tree.c',
+  'lib/unpack-trees.c',
+  'lib/upload-pack.c',
+  'lib/url.c',
+  'lib/urlmatch.c',
+  'lib/usage.c',
+  'lib/userdiff.c',
+  'lib/utf8.c',
+  'lib/version.c',
+  'lib/versioncmp.c',
+  'lib/walker.c',
+  'lib/wi