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repository: stop initializing the object database in repo_set_gitdir()

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The function `repo_set_gitdir()` obviously sets the Git directory for a
given repository. Less obviously though, the function also configures a
couple of auxiliary settings.

One such thing is that we create the object database in this function.
This logic only happens conditionally though, as `set_git_dir()` may be
called multiple times during repository setup, and we don't want to
create the object database multiple times. This is somewhat tangled and
hard to follow.

Remove the logic from `repo_set_gitdir()` and instead initialize the
object database outside of it. This leads to some duplication right now,
but that duplication will be removed in a subsequent step where we will
start initializing the object database as part of applying the repo's
format.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2026-06-04 09:46:28 +02:00
committed by Junio C Hamano
parent 3d884b0b56
commit 6a2fbab4c9
3 changed files with 6 additions and 12 deletions
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8
repository.c
View File

@@ -181,12 +181,6 @@ void repo_set_gitdir(struct repository *repo,
free(old_gitdir);
repo_set_commondir(repo, o->commondir);
if (!repo->objects)
repo->objects = odb_new(repo, o->object_dir, o->alternate_db);
else if (!o->skip_initializing_odb)
BUG("cannot reinitialize an already-initialized object directory");
repo->disable_ref_updates = o->disable_ref_updates;
expand_base_dir(&repo->graft_file, o->graft_file,
@@ -302,6 +296,8 @@ int repo_init(struct repository *repo,
goto error;
}
repo->objects = odb_new(repo, NULL, NULL);
if (worktree)
repo_set_worktree(repo, worktree);

3
repository.h
View File

@@ -221,12 +221,9 @@ const char *repo_get_work_tree(struct repository *repo);
*/
struct set_gitdir_args {
const char *commondir;
const char *object_dir;
const char *graft_file;
const char *index_file;
const char *alternate_db;
bool disable_ref_updates;
bool skip_initializing_odb;
};
void repo_set_gitdir(struct repository *repo, const char *root,

7
setup.c
View File

@@ -1045,17 +1045,18 @@ static void setup_git_env_internal(struct repository *repo,
struct strvec to_free = STRVEC_INIT;
args.commondir = getenv_safe(&to_free, GIT_COMMON_DIR_ENVIRONMENT);
args.object_dir = getenv_safe(&to_free, DB_ENVIRONMENT);
args.graft_file = getenv_safe(&to_free, GRAFT_ENVIRONMENT);
args.index_file = getenv_safe(&to_free, INDEX_ENVIRONMENT);
args.alternate_db = getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT);
if (getenv(GIT_QUARANTINE_ENVIRONMENT))
args.disable_ref_updates = true;
args.skip_initializing_odb = skip_initializing_odb;
repo_set_gitdir(repo, git_dir, &args);
strvec_clear(&to_free);
if (!skip_initializing_odb)
repo->objects = odb_new(repo, getenv_safe(&to_free, DB_ENVIRONMENT),
getenv_safe(&to_free, ALTERNATE_DB_ENVIRONMENT));
if (getenv(NO_REPLACE_OBJECTS_ENVIRONMENT))
disable_replace_refs();
replace_ref_base = getenv(GIT_REPLACE_REF_BASE_ENVIRONMENT);