[PATCH v2 7/9] midx: write multi-pack indices via their source
- From
Patrick Steinhardt <ps@pks.im>
- Date
- Aug 7, 2025, 08:09 UTC
- Message-ID
- <20250807-b4-pks-midx-deduplicate-source-info-v2-7-bcffb8fc119c@pks.im>
- In-Reply-To
- <20250807-b4-pks-midx-deduplicate-source-info-v2-0-bcffb8fc119c@pks.im>
Similar to the preceding commit, refactor the writing side of multi-pack indices so that we pass in the object database source where the index should be written to.
Signed-off-by: Patrick Steinhardt <ps@pks.im> --- builtin/multi-pack-index.c | 19 +++++++------ builtin/repack.c | 2 +- midx-write.c | 69 +++++++++++++++++++++------------------------- midx.h | 8 +++--- 4 files changed, 47 insertions(+), 51 deletions(-)
diff --git a/builtin/multi-pack-index.c b/builtin/multi-pack-index.c index e4a9305af3..b1e971e535 100644 --- a/builtin/multi-pack-index.c +++ b/builtin/multi-pack-index.c @@ -147,6 +147,7 @@ static int cmd_multi_pack_index_write(int argc, const char **argv, N_("refs snapshot for selecting bitmap commits")), OPT_END(), }; + struct odb_source *source; int ret; opts.flags |= MIDX_WRITE_BITMAP_HASH_CACHE; @@ -165,7 +166,7 @@ static int cmd_multi_pack_index_write(int argc, const char **argv, if (argc) usage_with_options(builtin_multi_pack_index_write_usage, options); - handle_object_dir_option(repo); + source = handle_object_dir_option(repo); FREE_AND_NULL(options); @@ -174,7 +175,7 @@ static int cmd_multi_pack_index_write(int argc, const char **argv, read_packs_from_stdin(&packs); - ret = write_midx_file_only(repo, opts.object_dir, &packs, + ret = write_midx_file_only(source, &packs, opts.preferred_pack, opts.refs_snapshot, opts.flags); @@ -185,7 +186,7 @@ static int cmd_multi_pack_index_write(int argc, const char **argv, } - ret = write_midx_file(repo, opts.object_dir, opts.preferred_pack, + ret = write_midx_file(source, opts.preferred_pack, opts.refs_snapshot, opts.flags); free(opts.refs_snapshot); @@ -233,6 +234,8 @@ static int cmd_multi_pack_index_expire(int argc, const char **argv, N_("force progress reporting"), MIDX_PROGRESS), OPT_END(), }; + struct odb_source *source; + options = add_common_options(builtin_multi_pack_index_expire_options); trace2_cmd_mode(argv[0]); @@ -245,11 +248,11 @@ static int cmd_multi_pack_index_expire(int argc, const char **argv, if (argc) usage_with_options(builtin_multi_pack_index_expire_usage, options); - handle_object_dir_option(the_repository); + source = handle_object_dir_option(the_repository); FREE_AND_NULL(options); - return expire_midx_packs(the_repository, opts.object_dir, opts.flags); + return expire_midx_packs(source, opts.flags); } static int cmd_multi_pack_index_repack(int argc, const char **argv, @@ -264,6 +267,7 @@ static int cmd_multi_pack_index_repack(int argc, const char **argv, N_("force progress reporting"), MIDX_PROGRESS), OPT_END(), }; + struct odb_source *source; options = add_common_options(builtin_multi_pack_index_repack_options); @@ -278,12 +282,11 @@ static int cmd_multi_pack_index_repack(int argc, const char **argv, if (argc) usage_with_options(builtin_multi_pack_index_repack_usage, options); - handle_object_dir_option(the_repository); + source = handle_object_dir_option(the_repository); FREE_AND_NULL(options); - return midx_repack(the_repository, opts.object_dir, - (size_t)opts.batch_size, opts.flags); + return midx_repack(source, (size_t)opts.batch_size, opts.flags); } int cmd_multi_pack_index(int argc, diff --git a/builtin/repack.c b/builtin/repack.c index 21723866b9..94dec26f18 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -1711,7 +1711,7 @@ int cmd_repack(int argc, unsigned flags = 0; if (git_env_bool(GIT_TEST_MULTI_PACK_INDEX_WRITE_INCREMENTAL, 0)) flags |= MIDX_WRITE_INCREMENTAL; - write_midx_file(the_repository, repo_get_object_directory(the_repository), + write_midx_file(the_repository->objects->sources, NULL, NULL, flags); } diff --git a/midx-write.c b/midx-write.c index 37a0b1682f..bf7c01d4b1 100644 --- a/midx-write.c +++ b/midx-write.c @@ -913,15 +913,6 @@ static int write_midx_bitmap(struct write_midx_context *ctx, return ret; } -static struct multi_pack_index *lookup_multi_pack_index(struct repository *r, - const char *object_dir) -{ - struct odb_source *source = odb_find_source(r->objects, object_dir); - if (!source) - die(_("could not find object directory matching %s"), object_dir); - return get_multi_pack_index(source); -} - static int fill_packs_from_midx(struct write_midx_context *ctx, const char *preferred_pack_name, uint32_t flags) { @@ -1012,7 +1003,7 @@ static int link_midx_to_chain(struct multi_pack_index *m) return ret; } -static void clear_midx_files(struct repository *r, const char *object_dir, +static void clear_midx_files(struct odb_source *source, const char **hashes, uint32_t hashes_nr, unsigned incremental) { @@ -1031,16 +1022,16 @@ static void clear_midx_files(struct repository *r, const char *object_dir, uint32_t i, j; for (i = 0; i < ARRAY_SIZE(exts); i++) { - clear_incremental_midx_files_ext(object_dir, exts[i], + clear_incremental_midx_files_ext(source->path, exts[i], hashes, hashes_nr); for (j = 0; j < hashes_nr; j++) - clear_midx_files_ext(object_dir, exts[i], hashes[j]); + clear_midx_files_ext(source->path, exts[i], hashes[j]); } if (incremental) - get_midx_filename(r->hash_algo, &buf, object_dir); + get_midx_filename(source->odb->repo->hash_algo, &buf, source->path); else - get_midx_chain_filename(&buf, object_dir); + get_midx_chain_filename(&buf, source->path); if (unlink(buf.buf) && errno != ENOENT) die_errno(_("failed to clear multi-pack-index at %s"), buf.buf); @@ -1048,13 +1039,14 @@ static void clear_midx_files(struct repository *r, const char *object_dir, strbuf_release(&buf); } -static int write_midx_internal(struct repository *r, const char *object_dir, +static int write_midx_internal(struct odb_source *source, struct string_list *packs_to_include, struct string_list *packs_to_drop, const char *preferred_pack_name, const char *refs_snapshot, unsigned flags) { + struct repository *r = source->odb->repo; struct strbuf midx_name = STRBUF_INIT; unsigned char midx_hash[GIT_MAX_RAWSZ]; uint32_t i, start_pack; @@ -1078,15 +1070,15 @@ static int write_midx_internal(struct repository *r, const char *object_dir, if (ctx.incremental) strbuf_addf(&midx_name, "%s/pack/multi-pack-index.d/tmp_midx_XXXXXX", - object_dir); + source->path); else - get_midx_filename(r->hash_algo, &midx_name, object_dir); + get_midx_filename(r->hash_algo, &midx_name, source->path); if (safe_create_leading_directories(r, midx_name.buf)) die_errno(_("unable to create leading directories of %s"), midx_name.buf); if (!packs_to_include || ctx.incremental) { - struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); + struct multi_pack_index *m = get_multi_pack_index(source); if (m && !midx_checksum_valid(m)) { warning(_("ignoring existing multi-pack-index; checksum mismatch")); m = NULL; @@ -1140,7 +1132,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, ctx.to_include = packs_to_include; - for_each_file_in_pack_dir(object_dir, add_pack_to_midx, &ctx); + for_each_file_in_pack_dir(source->path, add_pack_to_midx, &ctx); stop_progress(&ctx.progress); if ((ctx.m && ctx.nr == ctx.m->num_packs + ctx.m->num_packs_in_base) && @@ -1160,7 +1152,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, * corresponding bitmap (or one wasn't requested). */ if (!want_bitmap) - clear_midx_files_ext(object_dir, "bitmap", NULL); + clear_midx_files_ext(source->path, "bitmap", NULL); goto cleanup; } } @@ -1328,7 +1320,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, if (ctx.incremental) { struct strbuf lock_name = STRBUF_INIT; - get_midx_chain_filename(&lock_name, object_dir); + get_midx_chain_filename(&lock_name, source->path); hold_lock_file_for_update(&lk, lock_name.buf, LOCK_DIE_ON_ERROR); strbuf_release(&lock_name); @@ -1391,7 +1383,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, if (flags & MIDX_WRITE_REV_INDEX && git_env_bool("GIT_TEST_MIDX_WRITE_REV", 0)) - write_midx_reverse_index(&ctx, object_dir, midx_hash); + write_midx_reverse_index(&ctx, source->path, midx_hash); if (flags & MIDX_WRITE_BITMAP) { struct packing_data pdata; @@ -1414,7 +1406,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, FREE_AND_NULL(ctx.entries); ctx.entries_nr = 0; - if (write_midx_bitmap(&ctx, object_dir, + if (write_midx_bitmap(&ctx, source->path, midx_hash, &pdata, commits, commits_nr, flags) < 0) { error(_("could not write multi-pack bitmap")); @@ -1448,7 +1440,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, return -1; get_split_midx_filename_ext(r->hash_algo, &final_midx_name, - object_dir, midx_hash, MIDX_EXT_MIDX); + source->path, midx_hash, MIDX_EXT_MIDX); if (rename_tempfile(&incr, final_midx_name.buf) < 0) { error_errno(_("unable to rename new multi-pack-index layer")); @@ -1481,7 +1473,7 @@ static int write_midx_internal(struct repository *r, const char *object_dir, if (commit_lock_file(&lk) < 0) die_errno(_("could not write multi-pack-index")); - clear_midx_files(r, object_dir, keep_hashes, + clear_midx_files(source, keep_hashes, ctx.num_multi_pack_indexes_before + 1, ctx.incremental); @@ -1510,29 +1502,29 @@ static int write_midx_internal(struct repository *r, const char *object_dir, return result; } -int write_midx_file(struct repository *r, const char *object_dir, +int write_midx_file(struct odb_source *source, const char *preferred_pack_name, const char *refs_snapshot, unsigned flags) { - return write_midx_internal(r, object_dir, NULL, NULL, + return write_midx_internal(source, NULL, NULL, preferred_pack_name, refs_snapshot, flags); } -int write_midx_file_only(struct repository *r, const char *object_dir, +int write_midx_file_only(struct odb_source *source, struct string_list *packs_to_include, const char *preferred_pack_name, const char *refs_snapshot, unsigned flags) { - return write_midx_internal(r, object_dir, packs_to_include, NULL, + return write_midx_internal(source, packs_to_include, NULL, preferred_pack_name, refs_snapshot, flags); } -int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags) +int expire_midx_packs(struct odb_source *source, unsigned flags) { uint32_t i, *count, result = 0; struct string_list packs_to_drop = STRING_LIST_INIT_DUP; - struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); + struct multi_pack_index *m = get_multi_pack_index(source); struct progress *progress = NULL; if (!m) @@ -1545,7 +1537,7 @@ int expire_midx_packs(struct repository *r, const char *object_dir, unsigned fla if (flags & MIDX_PROGRESS) progress = start_delayed_progress( - r, + source->odb->repo, _("Counting referenced objects"), m->num_objects); for (i = 0; i < m->num_objects; i++) { @@ -1557,7 +1549,7 @@ int expire_midx_packs(struct repository *r, const char *object_dir, unsigned fla if (flags & MIDX_PROGRESS) progress = start_delayed_progress( - r, + source->odb->repo, _("Finding and deleting unreferenced packfiles"), m->num_packs); for (i = 0; i < m->num_packs; i++) { @@ -1585,7 +1577,7 @@ int expire_midx_packs(struct repository *r, const char *object_dir, unsigned fla free(count); if (packs_to_drop.nr) - result = write_midx_internal(r, object_dir, NULL, + result = write_midx_internal(source, NULL, &packs_to_drop, NULL, NULL, flags); string_list_clear(&packs_to_drop, 0); @@ -1710,14 +1702,15 @@ static void fill_included_packs_batch(struct repository *r, free(pack_info); } -int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags) +int midx_repack(struct odb_source *source, size_t batch_size, unsigned flags) { + struct repository *r = source->odb->repo; int result = 0; uint32_t i, packs_to_repack = 0; unsigned char *include_pack; struct child_process cmd = CHILD_PROCESS_INIT; FILE *cmd_in; - struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); + struct multi_pack_index *m = get_multi_pack_index(source); /* * When updating the default for these configuration @@ -1751,7 +1744,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, strvec_push(&cmd.args, "pack-objects"); - strvec_pushf(&cmd.args, "%s/pack/pack", object_dir); + strvec_pushf(&cmd.args, "%s/pack/pack", source->path); if (delta_base_offset) strvec_push(&cmd.args, "--delta-base-offset"); @@ -1792,7 +1785,7 @@ int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, goto cleanup; } - result = write_midx_internal(r, object_dir, NULL, NULL, NULL, NULL, + result = write_midx_internal(source, NULL, NULL, NULL, NULL, flags); cleanup: diff --git a/midx.h b/midx.h index 970d043989..d162001fbb 100644 --- a/midx.h +++ b/midx.h @@ -126,17 +126,17 @@ int prepare_multi_pack_index_one(struct odb_source *source); * Variant of write_midx_file which writes a MIDX containing only the packs * specified in packs_to_include. */ -int write_midx_file(struct repository *r, const char *object_dir, +int write_midx_file(struct odb_source *source, const char *preferred_pack_name, const char *refs_snapshot, unsigned flags); -int write_midx_file_only(struct repository *r, const char *object_dir, +int write_midx_file_only(struct odb_source *source, struct string_list *packs_to_include, const char *preferred_pack_name, const char *refs_snapshot, unsigned flags); void clear_midx_file(struct repository *r); int verify_midx_file(struct odb_source *source, unsigned flags); -int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags); -int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags); +int expire_midx_packs(struct odb_source *source, unsigned flags); +int midx_repack(struct odb_source *source, size_t batch_size, unsigned flags); void close_midx(struct multi_pack_index *m);
-- 2.51.0.rc0.215.g125493bb4a.dirty