git/list[1] front-page[2] threads[3] people[4] search[5] about
 

[PATCH 16/16] refs: tests for lmdb backend

From
David Turner <dturner@twopensource.com>
Date
Dec 3, 2015, 00:35 UTC
Message-ID
<1449102921-7707-17-git-send-email-dturner@twopensource.com>
In-Reply-To
<1449102921-7707-1-git-send-email-dturner@twopensource.com>
Add tests for the database backend.
Signed-off-by: David Turner <dturner@twopensource.com>
Helped-by: Dennis Kaarsemaker <dennis@kaarsemaker.net>
---
 t/t1460-refs-lmdb-backend.sh        | 1109 +++++++++++++++++++++++++++++++++++
 t/t1470-refs-lmdb-backend-reflog.sh |  359 ++++++++++++
 t/test-lib.sh                       |    1 +
 3 files changed, 1469 insertions(+)
 create mode 100755 t/t1460-refs-lmdb-backend.sh
 create mode 100755 t/t1470-refs-lmdb-backend-reflog.sh
diff --git a/t/t1460-refs-lmdb-backend.sh b/t/t1460-refs-lmdb-backend.sh
new file mode 100755
index 0000000..390e148
--- /dev/null
+++ b/t/t1460-refs-lmdb-backend.sh
@@ -0,0 +1,1109 @@
+#!/bin/sh
+#
+# Copyright (c) 2015 Twitter, Inc
+# Copyright (c) 2006 Shawn Pearce
+# This test is based on t1400-update-ref.sh
+#
+
+test_description='Test lmdb refs backend'
+TEST_NO_CREATE_REPO=1
+. ./test-lib.sh
+
+if ! test_have_prereq LMDB
+then
+	skip_all="Skipping lmdb refs backend tests, lmdb backend not built"
+	test_done
+fi
+
+raw_ref() {
+	test-refs-lmdb-backend "$1"
+}
+
+delete_ref() {
+	test-refs-lmdb-backend -d "$1"
+}
+
+write_ref() {
+	test-refs-lmdb-backend "$1" "$2"
+}
+
+raw_reflog() {
+	test-refs-lmdb-backend -l "$1"
+}
+
+delete_all_reflogs() {
+	test-refs-lmdb-backend -c
+}
+
+append_reflog() {
+	test-refs-lmdb-backend -a "$1"
+}
+
+Z=$_z40
+
+test_expect_success setup '
+	git init --refs-backend-type=lmdb &&
+	for name in A B C D E F
+	do
+		test_tick &&
+		T=$(git write-tree) &&
+		sha1=$(echo $name | git commit-tree $T) &&
+		eval $name=$sha1
+	done
+'
+
+m=refs/heads/master
+n_dir=refs/heads/gu
+n=$n_dir/fixes
+
+test_expect_success \
+	"create $m" \
+	"git update-ref $m $A &&
+	 test $A"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"create $m" \
+	"git update-ref $m $B $A &&
+	 test $B"' = $(raw_ref '"$m"')'
+test_expect_success "fail to delete $m with stale ref" '
+	test_must_fail git update-ref -d $m $A &&
+	test $B = "$(raw_ref $m)"
+'
+test_expect_success "delete $m" '
+	git update-ref -d $m $B &&
+	! raw_ref $m
+'
+delete_ref $m
+
+test_expect_success "delete $m without oldvalue verification" "
+	git update-ref $m $A &&
+	test $A = \$(raw_ref $m) &&
+	git update-ref -d $m &&
+	! raw_ref $m
+"
+delete_ref $m
+
+test_expect_success \
+	"fail to create $n" \
+	"git update-ref $n_dir $A &&
+	 test_must_fail git update-ref $n $A >out 2>err"
+
+delete_ref $n_dir
+rm -f out err
+
+test_expect_success \
+	"create $m (by HEAD)" \
+	"git update-ref HEAD $A &&
+	 test $A"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"create $m (by HEAD)" \
+	"git update-ref HEAD $B $A &&
+	 test $B"' = $(raw_ref '"$m"')'
+test_expect_success "fail to delete $m (by HEAD) with stale ref" '
+	test_must_fail git update-ref -d HEAD $A &&
+	test $B = $(raw_ref '"$m"')
+'
+test_expect_success "delete $m (by HEAD)" '
+	git update-ref -d HEAD $B &&
+	! raw_ref $m
+'
+delete_ref $m
+
+test_expect_success \
+	"create $m (by HEAD)" \
+	"git update-ref HEAD $A &&
+	 test $A"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"pack refs" \
+	"git pack-refs --all"
+test_expect_success \
+	"move $m (by HEAD)" \
+	"git update-ref HEAD $B $A &&
+	 test $B"' = $(raw_ref '"$m"')'
+test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" '
+	git update-ref -d HEAD $B &&
+	! raw_ref $m
+'
+delete_ref $m
+
+OLD_HEAD=$(raw_ref HEAD)
+test_expect_success "delete symref without dereference" '
+	git update-ref --no-deref -d HEAD &&
+	! raw_ref HEAD
+'
+write_ref HEAD "$OLD_HEAD"
+
+test_expect_success "delete symref without dereference when the referred ref is packed" '
+	echo foo >foo.c &&
+	git add foo.c &&
+	git commit -m foo &&
+	git pack-refs --all &&
+	git update-ref --no-deref -d HEAD &&
+	! raw_ref HEAD
+'
+write_ref HEAD "$OLD_HEAD"
+delete_ref $m
+
+test_expect_success 'update-ref -d is not confused by self-reference' '
+	git symbolic-ref refs/heads/self refs/heads/self &&
+	test_when_finished "delete_ref refs/heads/self" &&
+	test_must_fail git update-ref -d refs/heads/self
+'
+
+test_expect_success 'update-ref --no-deref -d can delete self-reference' '
+	git symbolic-ref refs/heads/self refs/heads/self &&
+	test_when_finished "delete_ref refs/heads/self" &&
+	git update-ref --no-deref -d refs/heads/self
+'
+
+test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' '
+	test-refs-lmdb-backend refs/heads/bad "" &&
+	test_when_finished "delete_ref refs/heads/bad" &&
+	git symbolic-ref refs/heads/ref-to-bad refs/heads/bad &&
+	test_when_finished "delete_ref refs/heads/ref-to-bad" &&
+	raw_ref refs/heads/ref-to-bad &&
+	git update-ref --no-deref -d refs/heads/ref-to-bad &&
+	! raw_ref refs/heads/ref-to-bad
+'
+
+test_expect_success '(not) create HEAD with old sha1' "
+	test_must_fail git update-ref HEAD $A $B
+"
+test_expect_success "(not) prior created .git/$m" "
+	! raw_ref $m
+"
+delete_ref $m
+
+test_expect_success \
+	"create HEAD" \
+	"git update-ref HEAD $A"
+test_expect_success '(not) change HEAD with wrong SHA1' "
+	test_must_fail git update-ref HEAD $B $Z
+"
+test_expect_success "(not) changed .git/$m" "
+	! test $B"' = $(raw_ref '"$m"')
+'
+
+: a repository with working tree always has reflog these days...
+delete_all_reflogs
+: | append_reflog $m
+delete_ref $m
+
+test_expect_success \
+	"create $m (logged by touch)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:30" \
+	 git update-ref HEAD '"$A"' -m "Initial Creation" &&
+	 test '"$A"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"update $m (logged by touch)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:31" \
+	 git update-ref HEAD'" $B $A "'-m "Switch" &&
+	 test '"$B"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"set $m (logged by touch)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:41" \
+	 git update-ref HEAD'" $A &&
+	 test $A"' = $(raw_ref '"$m"')'
+
+cat >expect <<EOF
+$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000	Initial Creation
+$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000	Switch
+$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000
+EOF
+test_expect_success \
+	"verifying $m's log" \
+	"raw_reflog $m >actual &&
+	 test_cmp expect actual"
+delete_ref $m
+delete_all_reflogs
+: | append_reflog $m
+rm -f actual expect
+
+test_expect_success \
+	'enable core.logAllRefUpdates' \
+	'git config core.logAllRefUpdates true &&
+	 test true = $(git config --bool --get core.logAllRefUpdates)'
+
+test_expect_success \
+	"create $m (logged by config)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:32" \
+	 git update-ref HEAD'" $A "'-m "Initial Creation" &&
+	 test '"$A"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"update $m (logged by config)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:33" \
+	 git update-ref HEAD'" $B $A "'-m "Switch" &&
+	 test '"$B"' = $(raw_ref '"$m"')'
+test_expect_success \
+	"set $m (logged by config)" \
+	'GIT_COMMITTER_DATE="2005-05-26 23:43" \
+	 git update-ref HEAD '"$A &&
+	 test $A"' = $(raw_ref '"$m"')'
+
+cat >expect <<EOF
+$Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000	Initial Creation
+$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000	Switch
+$B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000
+EOF
+test_expect_success \
+	"verifying $m's log" \
+	'raw_reflog $m >actual &&
+	test_cmp expect actual'
+delete_ref $m
+rm -f expect
+
+git update-ref $m $D
+git reflog expire --expire=all $m
+
+append_reflog $m <<EOF
+0000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500
+$C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500
+$A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500
+$F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500
+$Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500
+EOF
+
+ed="Thu, 26 May 2005 18:32:00 -0500"
+gd="Thu, 26 May 2005 18:33:00 -0500"
+ld="Thu, 26 May 2005 18:43:00 -0500"
+test_expect_success \
+	'Query "master@{May 25 2005}" (before history)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
+	 test '"$C"' = $(cat o) &&
+	 test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
+test_expect_success \
+	"Query master@{2005-05-25} (before history)" \
+	'rm -f o e &&
+	 git rev-parse --verify master@{2005-05-25} >o 2>e &&
+	 test '"$C"' = $(cat o) &&
+	 echo test "warning: Log for '\'master\'' only goes back to $ed." = "$(cat e)"'
+test_expect_success \
+	'Query "master@{May 26 2005 23:31:59}" (1 second before history)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e &&
+	 test '"$C"' = $(cat o) &&
+	 test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)"'
+test_expect_success \
+	'Query "master@{May 26 2005 23:32:00}" (exactly history start)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e &&
+	 test '"$C"' = $(cat o) &&
+	 test "" = "$(cat e)"'
+test_expect_success \
+	'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e &&
+	 test '"$A"' = $(cat o) &&
+	 test "" = "$(cat e)"'
+test_expect_success \
+	'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
+	 test '"$B"' = $(cat o) &&
+	 test "warning: Log for ref '"$m has gap after $gd"'." = "$(cat e)"'
+test_expect_success \
+	'Query "master@{2005-05-26 23:38:00}" (middle of history)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e &&
+	 test '"$Z"' = $(cat o) &&
+	 test "" = "$(cat e)"'
+test_expect_success \
+	'Query "master@{2005-05-26 23:43:00}" (exact end of history)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e &&
+	 test '"$E"' = $(cat o) &&
+	 test "" = "$(cat e)"'
+test_expect_success \
+	'Query "master@{2005-05-28}" (past end of history)' \
+	'rm -f o e &&
+	 git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
+	 test '"$D"' = $(cat o) &&
+	 test "warning: Log for ref '"$m unexpectedly ended on $ld"'." = "$(cat e)"'
+
+
+git reflog expire --expire=all $m
+delete_ref $m
+
+test_expect_success \
+    'creating initial files' \
+    'echo TEST >F &&
+     git add F &&
+	 GIT_AUTHOR_DATE="2005-05-26 23:30" \
+	 GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a &&
+	 h_TEST=$(git rev-parse --verify HEAD) &&
+	 echo The other day this did not work. >M &&
+	 echo And then Bob told me how to fix it. >>M &&
+	 echo OTHER >F &&
+	 GIT_AUTHOR_DATE="2005-05-26 23:41" \
+	 GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a &&
+	 h_OTHER=$(git rev-parse --verify HEAD) &&
+	 GIT_AUTHOR_DATE="2005-05-26 23:44" \
+	 GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend &&
+	 h_FIXED=$(git rev-parse --verify HEAD) &&
+	 echo Merged initial commit and a later commit. >M &&
+	 echo $h_TEST >.git/MERGE_HEAD &&
+	 GIT_AUTHOR_DATE="2005-05-26 23:45" \
+	 GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M &&
+	 h_MERGED=$(git rev-parse --verify HEAD) &&
+	 rm -f M'
+
+cat >expect <<EOF
+$Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000	commit (initial): add
+$h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000	commit: The other day this did not work.
+$h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000	commit (amend): The other day this did not work.
+$h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000	commit (merge): Merged initial commit and a later commit.
+EOF
+test_expect_success \
+	'git commit logged updates' \
+	"raw_reflog $m >actual &&
+	test_cmp expect actual"
+unset h_TEST h_OTHER h_FIXED h_MERGED
+
+test_expect_success \
+	'git cat-file blob master:F (expect OTHER)' \
+	'test OTHER = $(git cat-file blob master:F)'
+test_expect_success \
+	'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' \
+	'test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F")'
+test_expect_success \
+	'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' \
+	'test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F")'
+
+a=refs/heads/a
+b=refs/heads/b
+c=refs/heads/c
+E='""'
+F='%s\0'
+pws='path with space'
+
+test_expect_success 'stdin test setup' '
+	echo "$pws" >"$pws" &&
+	git add -- "$pws" &&
+	git commit -m "$pws"
+'
+
+test_expect_success '-z fails without --stdin' '
+	test_must_fail git update-ref -z $m $m $m 2>err &&
+	grep "usage: git update-ref" err
+'
+
+test_expect_success 'stdin works with no input' '
+	>stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse --verify -q $m
+'
+
+test_expect_success 'stdin fails on empty line' '
+	echo "" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: empty command in input" err
+'
+
+test_expect_success 'stdin fails on only whitespace' '
+	echo " " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: whitespace before command:  " err
+'
+
+test_expect_success 'stdin fails on leading whitespace' '
+	echo " create $a $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: whitespace before command:  create $a $m" err
+'
+
+test_expect_success 'stdin fails on unknown command' '
+	echo "unknown $a" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: unknown command: unknown $a" err
+'
+
+test_expect_success 'stdin fails on unbalanced quotes' '
+	echo "create $a \"master" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: badly quoted argument: \\\"master" err
+'
+
+test_expect_success 'stdin fails on invalid escape' '
+	echo "create $a \"ma\zter\"" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err
+'
+
+test_expect_success 'stdin fails on junk after quoted argument' '
+	echo "create \"$a\"master" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err
+'
+
+test_expect_success 'stdin fails create with no ref' '
+	echo "create " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: create: missing <ref>" err
+'
+
+test_expect_success 'stdin fails create with no new value' '
+	echo "create $a" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: create $a: missing <newvalue>" err
+'
+
+test_expect_success 'stdin fails create with too many arguments' '
+	echo "create $a $m $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: create $a: extra input:  $m" err
+'
+
+test_expect_success 'stdin fails update with no ref' '
+	echo "update " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: update: missing <ref>" err
+'
+
+test_expect_success 'stdin fails update with no new value' '
+	echo "update $a" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: update $a: missing <newvalue>" err
+'
+
+test_expect_success 'stdin fails update with too many arguments' '
+	echo "update $a $m $m $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: update $a: extra input:  $m" err
+'
+
+test_expect_success 'stdin fails delete with no ref' '
+	echo "delete " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: delete: missing <ref>" err
+'
+
+test_expect_success 'stdin fails delete with too many arguments' '
+	echo "delete $a $m $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: delete $a: extra input:  $m" err
+'
+
+test_expect_success 'stdin fails verify with too many arguments' '
+	echo "verify $a $m $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: verify $a: extra input:  $m" err
+'
+
+test_expect_success 'stdin fails option with unknown name' '
+	echo "option unknown" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: option unknown: unknown" err
+'
+
+test_expect_success 'stdin fails with duplicate refs' '
+	cat >stdin <<-EOF &&
+	create $a $m
+	create $b $m
+	create $a $m
+	EOF
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: Multiple updates for ref '"'"'$a'"'"' not allowed." err
+'
+
+test_expect_success 'stdin create ref works' '
+	echo "create $a $m" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin succeeds with quoted argument' '
+	git update-ref -d $a &&
+	echo "create $a \"$m\"" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin succeeds with escaped character' '
+	git update-ref -d $a &&
+	echo "create $a \"ma\\163ter\"" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin update ref creates with zero old value' '
+	echo "update $b $m $Z" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	git update-ref -d $b
+'
+
+test_expect_success 'stdin update ref creates with empty old value' '
+	echo "update $b $m $E" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin create ref works with path with space to blob' '
+	echo "create refs/blobs/pws \"$m:$pws\"" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse "$m:$pws" >expect &&
+	git rev-parse refs/blobs/pws >actual &&
+	test_cmp expect actual &&
+	git update-ref -d refs/blobs/pws
+'
+
+test_expect_success 'stdin update ref fails with wrong old value' '
+	echo "update $c $m $m~1" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$c'"'"'" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin update ref fails with bad old value' '
+	echo "update $c $m does-not-exist" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin create ref fails with bad new value' '
+	echo "create $c does-not-exist" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin create ref fails with zero new value' '
+	echo "create $c " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: create $c: zero <newvalue>" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin update ref works with right old value' '
+	echo "update $b $m~1 $m" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin delete ref fails with wrong old value' '
+	echo "delete $a $m~1" >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$a'"'"'" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin delete ref fails with zero old value' '
+	echo "delete $a " >stdin &&
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: delete $a: zero <oldvalue>" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin update symref works option no-deref' '
+	git symbolic-ref refs/TESTSYMREF $b &&
+	cat >stdin <<-EOF &&
+	option no-deref
+	update refs/TESTSYMREF $a $b
+	EOF
+	git update-ref --stdin <stdin &&
+	git rev-parse refs/TESTSYMREF >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin delete symref works option no-deref' '
+	git symbolic-ref refs/TESTSYMREF $b &&
+	cat >stdin <<-EOF &&
+	option no-deref
+	delete refs/TESTSYMREF $b
+	EOF
+	git update-ref --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/TESTSYMREF &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin delete ref works with right old value' '
+	echo "delete $b $m~1" >stdin &&
+	git update-ref --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q $b
+'
+
+test_expect_success 'stdin update/create/verify combination works' '
+	cat >stdin <<-EOF &&
+	update $a $m
+	create $b $m
+	verify $c
+	EOF
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin verify succeeds for correct value' '
+	git rev-parse $m >expect &&
+	echo "verify $m $m" >stdin &&
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin verify succeeds for missing reference' '
+	echo "verify refs/heads/missing $Z" >stdin &&
+	git update-ref --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin verify treats no value as missing' '
+	echo "verify refs/heads/missing" >stdin &&
+	git update-ref --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin verify fails for wrong value' '
+	git rev-parse $m >expect &&
+	echo "verify $m $m~1" >stdin &&
+	test_must_fail git update-ref --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin verify fails for mistaken null value' '
+	git rev-parse $m >expect &&
+	echo "verify $m $Z" >stdin &&
+	test_must_fail git update-ref --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin verify fails for mistaken empty value' '
+	M=$(git rev-parse $m) &&
+	test_when_finished "git update-ref $m $M" &&
+	git rev-parse $m >expect &&
+	echo "verify $m" >stdin &&
+	test_must_fail git update-ref --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin update refs works with identity updates' '
+	cat >stdin <<-EOF &&
+	update $a $m $m
+	update $b $m $m
+	update $c $Z $E
+	EOF
+	git update-ref --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin update refs fails with wrong old value' '
+	git update-ref $c $m &&
+	cat >stdin <<-EOF &&
+	update $a $m $m
+	update $b $m $m
+	update $c  ''
+	EOF
+	test_must_fail git update-ref --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$c'"'"'" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	git rev-parse $c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin delete refs works with packed and loose refs' '
+	git pack-refs --all &&
+	git update-ref $c $m~1 &&
+	cat >stdin <<-EOF &&
+	delete $a $m
+	update $b $Z $m
+	update $c $E $m~1
+	EOF
+	git update-ref --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q $a &&
+	test_must_fail git rev-parse --verify -q $b &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z works on empty input' '
+	>stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse --verify -q $m
+'
+
+test_expect_success 'stdin -z fails on empty line' '
+	echo "" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: whitespace before command: " err
+'
+
+test_expect_success 'stdin -z fails on empty command' '
+	printf $F "" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: empty command in input" err
+'
+
+test_expect_success 'stdin -z fails on only whitespace' '
+	printf $F " " >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: whitespace before command:  " err
+'
+
+test_expect_success 'stdin -z fails on leading whitespace' '
+	printf $F " create $a" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: whitespace before command:  create $a" err
+'
+
+test_expect_success 'stdin -z fails on unknown command' '
+	printf $F "unknown $a" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: unknown command: unknown $a" err
+'
+
+test_expect_success 'stdin -z fails create with no ref' '
+	printf $F "create " >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: create: missing <ref>" err
+'
+
+test_expect_success 'stdin -z fails create with no new value' '
+	printf $F "create $a" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: create $a: unexpected end of input when reading <newvalue>" err
+'
+
+test_expect_success 'stdin -z fails create with too many arguments' '
+	printf $F "create $a" "$m" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: unknown command: $m" err
+'
+
+test_expect_success 'stdin -z fails update with no ref' '
+	printf $F "update " >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: update: missing <ref>" err
+'
+
+test_expect_success 'stdin -z fails update with too few args' '
+	printf $F "update $a" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
+'
+
+test_expect_success 'stdin -z emits warning with empty new value' '
+	git update-ref $a $m &&
+	printf $F "update $a" "" "" >stdin &&
+	git update-ref -z --stdin <stdin 2>err &&
+	grep "warning: update $a: missing <newvalue>, treating as zero" err &&
+	test_must_fail git rev-parse --verify -q $a
+'
+
+test_expect_success 'stdin -z fails update with no new value' '
+	printf $F "update $a" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: update $a: unexpected end of input when reading <newvalue>" err
+'
+
+test_expect_success 'stdin -z fails update with no old value' '
+	printf $F "update $a" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err
+'
+
+test_expect_success 'stdin -z fails update with too many arguments' '
+	printf $F "update $m" "$m" "$m" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: unknown command: $m" err
+'
+
+test_expect_success 'stdin -z fails delete with no ref' '
+	printf $F "delete " >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: delete: missing <ref>" err
+'
+
+test_expect_success 'stdin -z fails delete with no old value' '
+	printf $F "delete $a" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err
+'
+
+test_expect_success 'stdin -z fails delete with too many arguments' '
+	printf $F "delete $m" "$m" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: unknown command: $m" err
+'
+
+test_expect_success 'stdin -z fails verify with too many arguments' '
+	printf $F "verify $m" "$m" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: unknown command: $m" err
+'
+
+test_expect_success 'stdin -z fails verify with no old value' '
+	printf $F "verify $a" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err
+'
+
+test_expect_success 'stdin -z fails option with unknown name' '
+	printf $F "option unknown" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: option unknown: unknown" err
+'
+
+test_expect_success 'stdin -z fails with duplicate refs' '
+	printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: Multiple updates for ref '"'"'$a'"'"' not allowed." err
+'
+
+test_expect_success 'stdin -z create ref works' '
+	printf $F "create $a" "$m" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z update ref creates with zero old value' '
+	printf $F "update $b" "$m" "$Z" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	git update-ref -d $b
+'
+
+test_expect_success 'stdin -z update ref creates with empty old value' '
+	printf $F "update $b" "$m" "" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z create ref works with path with space to blob' '
+	printf $F "create refs/blobs/pws" "$m:$pws" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse "$m:$pws" >expect &&
+	git rev-parse refs/blobs/pws >actual &&
+	test_cmp expect actual &&
+	git update-ref -d refs/blobs/pws
+'
+
+test_expect_success 'stdin -z update ref fails with wrong old value' '
+	printf $F "update $c" "$m" "$m~1" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$c'"'"'" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z update ref fails with bad old value' '
+	printf $F "update $c" "$m" "does-not-exist" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z create ref fails when ref exists' '
+	git update-ref $c $m &&
+	git rev-parse "$c" >expect &&
+	printf $F "create $c" "$m~1" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$c'"'"'" err &&
+	git rev-parse "$c" >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z create ref fails with bad new value' '
+	git update-ref -d "$c" &&
+	printf $F "create $c" "does-not-exist" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: create $c: invalid <newvalue>: does-not-exist" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z create ref fails with empty new value' '
+	printf $F "create $c" "" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: create $c: missing <newvalue>" err &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z update ref works with right old value' '
+	printf $F "update $b" "$m~1" "$m" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z delete ref fails with wrong old value' '
+	printf $F "delete $a" "$m~1" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$a'"'"'" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z delete ref fails with zero old value' '
+	printf $F "delete $a" "$Z" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: delete $a: zero <oldvalue>" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z update symref works option no-deref' '
+	git symbolic-ref refs/TESTSYMREF $b &&
+	printf $F "option no-deref" "update refs/TESTSYMREF" "$a" "$b" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse refs/TESTSYMREF >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z delete symref works option no-deref' '
+	git symbolic-ref refs/TESTSYMREF $b &&
+	printf $F "option no-deref" "delete refs/TESTSYMREF" "$b" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/TESTSYMREF &&
+	git rev-parse $m~1 >expect &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z delete ref works with right old value' '
+	printf $F "delete $b" "$m~1" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q $b
+'
+
+test_expect_success 'stdin -z update/create/verify combination works' '
+	printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z verify succeeds for correct value' '
+	git rev-parse $m >expect &&
+	printf $F "verify $m" "$m" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify succeeds for missing reference' '
+	printf $F "verify refs/heads/missing" "$Z" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin -z verify treats no value as missing' '
+	printf $F "verify refs/heads/missing" "" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q refs/heads/missing
+'
+
+test_expect_success 'stdin -z verify fails for wrong value' '
+	git rev-parse $m >expect &&
+	printf $F "verify $m" "$m~1" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify fails for mistaken null value' '
+	git rev-parse $m >expect &&
+	printf $F "verify $m" "$Z" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z verify fails for mistaken empty value' '
+	M=$(git rev-parse $m) &&
+	test_when_finished "git update-ref $m $M" &&
+	git rev-parse $m >expect &&
+	printf $F "verify $m" "" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin &&
+	git rev-parse $m >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z update refs works with identity updates' '
+	printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_expect_success 'stdin -z update refs fails with wrong old value' '
+	git update-ref $c $m &&
+	printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin &&
+	test_must_fail git update-ref -z --stdin <stdin 2>err &&
+	grep "fatal: cannot lock the ref '"'"'$c'"'"'" err &&
+	git rev-parse $m >expect &&
+	git rev-parse $a >actual &&
+	test_cmp expect actual &&
+	git rev-parse $b >actual &&
+	test_cmp expect actual &&
+	git rev-parse $c >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stdin -z delete refs works with packed and loose refs' '
+	git pack-refs --all &&
+	git update-ref $c $m~1 &&
+	printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin &&
+	git update-ref -z --stdin <stdin &&
+	test_must_fail git rev-parse --verify -q $a &&
+	test_must_fail git rev-parse --verify -q $b &&
+	test_must_fail git rev-parse --verify -q $c
+'
+
+test_done
diff --git a/t/t1470-refs-lmdb-backend-reflog.sh b/t/t1470-refs-lmdb-backend-reflog.sh
new file mode 100755
index 0000000..35586c2
--- /dev/null
+++ b/t/t1470-refs-lmdb-backend-reflog.sh
@@ -0,0 +1,359 @@
+#!/bin/sh
+#
+# Copyright (c) 2015 Twitter, Inc
+# Copyright (c) 2007 Junio C Hamano
+#
+
+test_description='Test prune and reflog expiration'
+TEST_NO_CREATE_REPO=1
+. ./test-lib.sh
+
+if ! test_have_prereq LMDB
+then
+	skip_all="Skipping lmdb refs backend tests, lmdb backend not built"
+	test_done
+fi
+
+raw_reflog() {
+	cat .git/logs/$1 2>/dev/null || test-refs-lmdb-backend -l "$1"
+}
+
+append_reflog() {
+	test-refs-lmdb-backend -a "$1"
+}
+
+check_have () {
+	gaah= &&
+	for N in "$@"
+	do
+		eval "o=\$$N" && git cat-file -t $o || {
+			echo Gaah $N
+			gaah=$N
+			break
+		}
+	done &&
+	test -z "$gaah"
+}
+
+check_fsck () {
+	output=$(git fsck --full)
+	case "$1" in
+	'')
+		test -z "$output" ;;
+	*)
+		echo "$output" | grep "$1" ;;
+	esac
+}
+
+corrupt () {
+	aa=${1%??????????????????????????????????????} zz=${1#??}
+	mv .git/objects/$aa/$zz .git/$aa$zz
+}
+
+recover () {
+	aa=${1%??????????????????????????????????????} zz=${1#??}
+	mkdir -p .git/objects/$aa
+	mv .git/$aa$zz .git/objects/$aa/$zz
+}
+
+check_dont_have () {
+	gaah= &&
+	for N in "$@"
+	do
+		eval "o=\$$N"
+		git cat-file -t $o && {
+			echo Gaah $N
+			gaah=$N
+			break
+		}
+	done
+	test -z "$gaah"
+}
+
+test_expect_success setup '
+	git init --refs-backend-type=lmdb &&
+	mkdir -p A/B &&
+	echo rat >C &&
+	echo ox >A/D &&
+	echo tiger >A/B/E &&
+	git add . &&
+
+	test_tick && git commit -m rabbit &&
+	H=`git rev-parse --verify HEAD` &&
+	A=`git rev-parse --verify HEAD:A` &&
+	B=`git rev-parse --verify HEAD:A/B` &&
+	C=`git rev-parse --verify HEAD:C` &&
+	D=`git rev-parse --verify HEAD:A/D` &&
+	E=`git rev-parse --verify HEAD:A/B/E` &&
+	check_fsck &&
+
+	test_chmod +x C &&
+	git add C &&
+	test_tick && git commit -m dragon &&
+	L=`git rev-parse --verify HEAD` &&
+	check_fsck &&
+
+	rm -f C A/B/E &&
+	echo snake >F &&
+	echo horse >A/G &&
+	git add F A/G &&
+	test_tick && git commit -a -m sheep &&
+	F=`git rev-parse --verify HEAD:F` &&
+	G=`git rev-parse --verify HEAD:A/G` &&
+	I=`git rev-parse --verify HEAD:A` &&
+	J=`git rev-parse --verify HEAD` &&
+	check_fsck &&
+
+	rm -f A/G &&
+	test_tick && git commit -a -m monkey &&
+	K=`git rev-parse --verify HEAD` &&
+	check_fsck &&
+
+	check_have A B C D E F G H I J K L &&
+
+	git prune &&
+
+	check_have A B C D E F G H I J K L &&
+
+	check_fsck &&
+
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 4 reflog
+'
+
+test_expect_success rewind '
+	test_tick && git reset --hard HEAD~2 &&
+	test -f C &&
+	test -f A/B/E &&
+	! test -f F &&
+	! test -f A/G &&
+
+	check_have A B C D E F G H I J K L &&
+
+	git prune &&
+
+	check_have A B C D E F G H I J K L &&
+
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 5 reflog
+'
+
+test_expect_success 'corrupt and check' '
+
+	corrupt $F &&
+	check_fsck "missing blob $F"
+
+'
+
+test_expect_success 'reflog expire --dry-run should not touch reflog' '
+
+	git reflog expire --dry-run \
+		--expire=$(($test_tick - 10000)) \
+		--expire-unreachable=$(($test_tick - 10000)) \
+		--stale-fix \
+		--all &&
+
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 5 reflog &&
+
+	check_fsck "missing blob $F"
+'
+
+test_expect_success 'reflog expire' '
+
+	git reflog expire --verbose \
+		--expire=$(($test_tick - 10000)) \
+		--expire-unreachable=$(($test_tick - 10000)) \
+		--stale-fix \
+		--all &&
+
+	echo git reflog expire --verbose \
+		--expire=$(($test_tick - 10000)) \
+		--expire-unreachable=$(($test_tick - 10000)) \
+		--stale-fix \
+		--all &&
+
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 2 reflog &&
+
+	check_fsck "dangling commit $K"
+'
+
+test_expect_success 'prune and fsck' '
+
+	git prune &&
+	check_fsck &&
+
+	check_have A B C D E H L &&
+	check_dont_have F G I J K
+
+'
+
+test_expect_success 'recover and check' '
+
+	recover $F &&
+	check_fsck "dangling blob $F"
+
+'
+
+test_expect_success 'delete' '
+	echo 1 > C &&
+	test_tick &&
+	git commit -m rat C &&
+
+	echo 2 > C &&
+	test_tick &&
+	git commit -m ox C &&
+
+	echo 3 > C &&
+	test_tick &&
+	git commit -m tiger C &&
+
+	HEAD_entry_count=$(git reflog | wc -l) &&
+	master_entry_count=$(git reflog show master | wc -l) &&
+
+	test $HEAD_entry_count = 5 &&
+	test $master_entry_count = 5 &&
+
+
+	git reflog delete master@{1} &&
+	git reflog show master > output &&
+	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	test $HEAD_entry_count = $(git reflog | wc -l) &&
+	! grep ox < output &&
+
+	master_entry_count=$(wc -l < output) &&
+
+	git reflog delete HEAD@{1} &&
+	test $(($HEAD_entry_count -1)) = $(git reflog | wc -l) &&
+	test $master_entry_count = $(git reflog show master | wc -l) &&
+
+	HEAD_entry_count=$(git reflog | wc -l) &&
+
+	git reflog delete master@{07.04.2005.15:15:00.-0700} &&
+	git reflog show master > output &&
+	test $(($master_entry_count - 1)) = $(wc -l < output) &&
+	! grep dragon < output
+
+'
+
+test_expect_success 'rewind2' '
+
+	test_tick && git reset --hard HEAD~2 &&
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 4 reflog
+'
+
+test_expect_success '--expire=never' '
+
+	git reflog expire --verbose \
+		--expire=never \
+		--expire-unreachable=never \
+		--all &&
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 4 reflog
+'
+
+test_expect_success 'gc.reflogexpire=never' '
+
+	git config gc.reflogexpire never &&
+	git config gc.reflogexpireunreachable never &&
+	git reflog expire --verbose --all &&
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 4 reflog
+'
+
+test_expect_success 'gc.reflogexpire=false' '
+
+	git config gc.reflogexpire false &&
+	git config gc.reflogexpireunreachable false &&
+	git reflog expire --verbose --all &&
+	raw_reflog refs/heads/master >reflog &&
+	test_when_finished rm -f reflog &&
+	test_line_count = 4 reflog &&
+
+	git config --unset gc.reflogexpire &&
+	git config --unset gc.reflogexpireunreachable
+
+'
+
+test_expect_success 'checkout should not delete log for packed ref' '
+	test $(git reflog master | wc -l) = 4 &&
+	git branch foo &&
+	git pack-refs --all &&
+	git checkout foo &&
+	test $(git reflog master | wc -l) = 4
+'
+
+test_expect_success 'stale dirs do not cause d/f conflicts (reflogs on)' '
+	test_when_finished "git branch -d one || git branch -d one/two" &&
+
+	git branch one/two master &&
+	echo "one/two@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one/two >actual &&
+	test_cmp expect actual &&
+	git branch -d one/two &&
+
+	# now logs/refs/heads/one is a stale directory, but
+	# we should move it out of the way to create "one" reflog
+	git branch one master &&
+	echo "one@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one >actual &&
+	test_cmp expect actual
+'
+
+test_expect_success 'stale dirs do not cause d/f conflicts (reflogs off)' '
+	test_when_finished "git branch -d one || git branch -d one/two" &&
+
+	git branch one/two master &&
+	echo "one/two@{0} branch: Created from master" >expect &&
+	git log -g --format="%gd %gs" one/two >actual &&
+	test_cmp expect actual &&
+	git branch -d one/two &&
+
+	# same as before, but we only create a reflog for "one" if
+	# it already exists, which it does not
+	git -c core.logallrefupdates=false branch one master &&
+	: >expect &&
+	git log -g --format="%gd %gs" one >actual &&
+	test_cmp expect actual
+'
+
+# Triggering the bug detected by this test requires a newline to fall
+# exactly BUFSIZ-1 bytes from the end of the file. We don't know
+# what that value is, since it's platform dependent. However, if
+# we choose some value N, we also catch any D which divides N evenly
+# (since we will read backwards in chunks of D). So we choose 8K,
+# which catches glibc (with an 8K BUFSIZ) and *BSD (1K).
+#
+# Each line is 114 characters, so we need 75 to still have a few before the
+# last 8K. The 89-character padding on the final entry lines up our
+# newline exactly.
+test_expect_success 'parsing reverse reflogs at BUFSIZ boundaries' '
+	git checkout -b reflogskip &&
+	z38=00000000000000000000000000000000000000 &&
+	ident="abc <xyz> 0000000001 +0000" &&
+	for i in $(test_seq 1 75); do
+		printf "$z38%02d $z38%02d %s\t" $i $(($i+1)) "$ident" &&
+		if test $i = 75; then
+			for j in $(test_seq 1 89); do
+				printf X
+			done
+		else
+			printf X
+		fi &&
+		printf "\n"
+	done | append_reflog refs/heads/reflogskip &&
+	git rev-parse reflogskip@{73} >actual &&
+	echo ${z38}03 >expect &&
+	test_cmp expect actual
+'
+
+test_done
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 16c4d7b..c6ba541 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -958,6 +958,7 @@ test -z "$NO_PERL" && test_set_prereq PERL
 test -z "$NO_PYTHON" && test_set_prereq PYTHON
 test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
 test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
+test -n "$USE_LIBLMDB" && test_set_prereq LMDB
 
 # Can we rely on git's output in the C locale?
 if test -n "$GETTEXT_POISON"
-- 
2.4.2.749.g0ed01d8-twtrsrc
Previous: David TurnerNext: David Turner
Message 72 of 73 in “LMDB refs backend atop pre-vtable”
  1. 00/16 LMDB refs backend atop pre-vtableDavid Turner, Dec 3, 2015
  2. 01/16 refs: add a backend method structure with transaction functionsDavid Turner, Dec 3, 2015
  3. Junio C HamanoDec 5, 2015
  4. 02/16 refs: add methods for misc ref operationsDavid Turner, Dec 3, 2015
  5. Junio C HamanoDec 11, 2015
  6. David TurnerDec 11, 2015
  7. Junio C HamanoDec 11, 2015
  8. David TurnerDec 11, 2015
  9. Junio C HamanoDec 12, 2015
  10. David TurnerDec 12, 2015
  11. Howard ChuDec 18, 2015
  12. 03/16 refs: add methods for the ref iteratorsDavid Turner, Dec 3, 2015
  13. David AguilarJan 3, 2016
  14. Junio C HamanoJan 4, 2016
  15. Michael HaggertyJan 5, 2016
  16. Junio C HamanoJan 5, 2016
  17. Ronnie SahlbergJan 4, 2016
  18. Junio C HamanoJan 4, 2016
  19. Jeff KingJan 5, 2016
  20. Junio C HamanoJan 5, 2016
  21. 04/16 refs: add do_for_each_per_worktree_refDavid Turner, Dec 3, 2015
  22. Junio C HamanoDec 11, 2015
  23. David TurnerDec 12, 2015
  24. 05/16 refs: add methods for reflogDavid Turner, Dec 3, 2015
  25. 06/16 refs: add method for initial ref transaction commitDavid Turner, Dec 3, 2015
  26. 07/16 refs: add method for delete_refsDavid Turner, Dec 3, 2015
  27. 08/16 refs: add methods to init refs backend and dbDavid Turner, Dec 3, 2015
  28. Michael HaggertyDec 23, 2015
  29. David TurnerDec 23, 2015
  30. 09/16 refs: add method to rename refsDavid Turner, Dec 3, 2015
  31. 10/16 refs: make lock genericDavid Turner, Dec 3, 2015
  32. 11/16 refs: move duplicate check to common codeDavid Turner, Dec 3, 2015
  33. Michael HaggertyDec 23, 2015
  34. David TurnerJan 5, 2016
  35. 12/16 refs: always handle non-normal refs in files backendDavid Turner, Dec 3, 2015
  36. Michael HaggertyDec 23, 2015
  37. David TurnerJan 6, 2016
  38. 1/3 refs: allow log-only updatesDavid Turner, Jan 6, 2016
  39. 2/3 refs: resolve symbolic refs firstDavid Turner, Jan 6, 2016
  40. 3/3 refs: always handle non-normal refs in files backendDavid Turner, Jan 6, 2016
  41. David TurnerJan 8, 2016
  42. David TurnerJan 6, 2016
  43. 13/16 init: allow alternate backends to be set for new reposDavid Turner, Dec 3, 2015
  44. Junio C HamanoDec 5, 2015
  45. Duy NguyenDec 5, 2015
  46. Jeff KingDec 5, 2015
  47. David TurnerDec 8, 2015
  48. Michael HaggertyDec 23, 2015
  49. Jeff KingDec 23, 2015
  50. Jeff KingDec 10, 2015
  51. David TurnerDec 10, 2015
  52. clone: use child_process for recursive checkoutsMichael Haggerty, Dec 23, 2015
  53. David TurnerJan 6, 2016
  54. Michael HaggertyDec 23, 2015
  55. David TurnerJan 5, 2016
  56. Junio C HamanoJan 5, 2016
  57. David TurnerJan 5, 2016
  58. Michael HaggertyJan 6, 2016
  59. Duy NguyenJan 6, 2016
  60. Shawn PearceJan 7, 2016
  61. 14/16 refs: allow ref backend to be set for cloneDavid Turner, Dec 3, 2015
  62. Michael HaggertyDec 23, 2015
  63. Eric SunshineDec 23, 2015
  64. 15/16 refs: add LMDB refs backendDavid Turner, Dec 3, 2015
  65. Junio C HamanoDec 5, 2015
  66. David TurnerDec 5, 2015
  67. Jonathan NiederDec 17, 2015
  68. David TurnerDec 17, 2015
  69. Jonathan NiederDec 17, 2015
  70. Michael HaggertyDec 23, 2015
  71. David TurnerJan 8, 2016
  72. 16/16 refs: tests for lmdb backendDavid Turner, Dec 3, 2015
  73. David TurnerDec 22, 2015

Read the whole thread, see it on lore, or plain text.

$ cat FOOTERMessages come from the public archive at lore.kernel.org/git, fetched every hour. The front page is chosen and written each morning by an AI editor and can be wrong; the threads themselves are the record. About and API. For agents: an MCP server at https://gitlist.dev/mcp, and any thread, story or person page as Markdown by adding .md to its URL (or sending Accept: text/markdown). Details in /llms.txt.