midx: write multi-pack indices via their source
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> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Patrick Steinhardt committed
Aug 11, 2025 at 15:46 UTC
c3f5d251469525a52074b0373671a588f0e5b972
4 files changed
+47
-49
builtin/multi-pack-index.c
+11
-8
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,
builtin/repack.c
+1
-1
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);
}
midx-write.c
+31
-36
index b858be475f..bf7c01d4b1 100644
--- a/midx-write.c
+++ b/midx-write.c
@@ -913,13 +913,6 @@ cleanup:
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_or_die(r->objects, 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)
{
@@ -1010,7 +1003,7 @@ done:
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)
{
@@ -1029,16 +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);
@@ -1046,13 +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;
@@ -1076,15 +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;
@@ -1138,7 +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) &&
@@ -1158,7 +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;
}
}
@@ -1326,7 +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);
@@ -1389,7 +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;
@@ -1412,7 +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"));
@@ -1446,7 +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"));
@@ -1479,7 +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);
@@ -1508,29 +1502,29 @@ cleanup:
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)
@@ -1543,7 +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++) {
@@ -1555,7 +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++) {
@@ -1583,7 +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);
@@ -1708,14 +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
@@ -1749,7 +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");
@@ -1790,7 +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:
midx.h
+4
-4
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);