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submodule-config.c: use repo_get_oid for reading .gitmodules 

Since 76e9bdc437 (submodule: support reading .gitmodules when it's not
in the working tree - 2018-10-25), every time you do

    git grep --recurse-submodules

you are likely to see one warning line per submodule (unless all those
submodules also have submodules). On a superproject with plenty of
submodules (I've seen one with 67) this is really annoying.

The warning was there because we could not resolve extended SHA-1
syntax on a submodule. We can now. Make use of the new API and get rid
of the warning.

It would be even better if config_with_options() supports multiple
repositories too. But one step at a time.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2019-04-16 16:33:38 +07:00 committed by Junio C Hamano
parent ec580eaaa3
commit d9b8b8f896
2 changed files with 8 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
submodule-config.c
View File

@ -625,23 +625,16 @@ static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void
const struct config_options opts = { 0 };
struct object_id oid;
char *file;
char *oidstr = NULL;
file = repo_worktree_path(repo, GITMODULES_FILE);
if (file_exists(file)) {
config_source.file = file;
} else if (repo->submodule_prefix) {
/*
* When get_oid and config_with_options, used below,
* become able to work on a specific repository, this
* warning branch can be removed.
*/
warning("nested submodules without %s in the working tree are not supported yet",
GITMODULES_FILE);
goto out;
} else if (get_oid(GITMODULES_INDEX, &oid) >= 0) {
config_source.blob = GITMODULES_INDEX;
} else if (get_oid(GITMODULES_HEAD, &oid) >= 0) {
config_source.blob = GITMODULES_HEAD;
} else if (repo_get_oid(repo, GITMODULES_INDEX, &oid) >= 0 ||
repo_get_oid(repo, GITMODULES_HEAD, &oid) >= 0) {
config_source.blob = oidstr = xstrdup(oid_to_hex(&oid));
if (repo != the_repository)
add_to_alternates_memory(repo->objects->odb->path);
} else {
goto out;
}
@ -649,6 +642,7 @@ static void config_from_gitmodules(config_fn_t fn, struct repository *repo, void
config_with_options(fn, data, &config_source, &opts);
out:
free(oidstr);
free(file);
}
}

6
t/t7814-grep-recurse-submodules.sh
View File

@ -380,11 +380,7 @@ test_expect_success 'grep --recurse-submodules should pass the pattern type alon
fi
'
# Recursing down into nested submodules which do not have .gitmodules in their
# working tree does not work yet. This is because config_from_gitmodules()
# uses get_oid() and the latter is still not able to get objects from an
# arbitrary repository (the nested submodule, in this case).
test_expect_failure 'grep --recurse-submodules with submodules without .gitmodules in the working tree' '
test_expect_success 'grep --recurse-submodules with submodules without .gitmodules in the working tree' '
test_when_finished "git -C submodule checkout .gitmodules" &&
rm submodule/.gitmodules &&
git grep --recurse-submodules -e "(.|.)[\d]" >actual &&