Already during 'git submodule add' we record a pointer to the
superproject's gitdir. However, this doesn't help brand-new
submodules created with 'git init' and later absorbed with 'git
submodule absorbgitdirs'. Let's start adding that pointer during 'git
submodule absorbgitdirs' too.
Signed-off-by: Emily Shaffer <emilyshaffer@xxxxxxxxxx>
---
submodule.c | 9 ++++++
t/t7412-submodule-absorbgitdirs.sh | 50 ++++++++++++++++++++++++++++--
2 files changed, 57 insertions(+), 2 deletions(-)
diff --git a/submodule.c b/submodule.c
index c689070524..2e54dcf1a2 100644
--- a/submodule.c
+++ b/submodule.c
@@ -2097,6 +2097,7 @@ static void relocate_single_git_dir_into_superproject(const char *path)
char *old_git_dir = NULL, *real_old_git_dir = NULL, *real_new_git_dir = NULL;
struct strbuf new_gitdir = STRBUF_INIT;
const struct submodule *sub;
+ struct strbuf config_path = STRBUF_INIT, sb = STRBUF_INIT;
if (submodule_uses_worktrees(path))
die(_("relocate_gitdir for submodule '%s' with "
@@ -2127,6 +2128,14 @@ static void relocate_single_git_dir_into_superproject(const char *path)
relocate_gitdir(path, real_old_git_dir, real_new_git_dir);
+ /* cache pointer to superproject's gitdir */
+ strbuf_addf(&config_path, "%s/config", real_new_git_dir);
+ git_config_set_in_file(config_path.buf, "submodule.superprojectGitdir",
+ relative_path(absolute_path(get_git_common_dir()),
+ real_new_git_dir, &sb));
+
+ strbuf_release(&config_path);
+ strbuf_release(&sb);
free(old_git_dir);
free(real_old_git_dir);
free(real_new_git_dir);
diff --git a/t/t7412-submodule-absorbgitdirs.sh b/t/t7412-submodule-absorbgitdirs.sh
index 1cfa150768..b6f229043d 100755
--- a/t/t7412-submodule-absorbgitdirs.sh
+++ b/t/t7412-submodule-absorbgitdirs.sh
@@ -30,7 +30,17 @@ test_expect_success 'absorb the git dir' '
git status >actual.1 &&
git -C sub1 rev-parse HEAD >actual.2 &&
test_cmp expect.1 actual.1 &&
- test_cmp expect.2 actual.2
+ test_cmp expect.2 actual.2 &&
+
+ # make sure the submodule cached the superproject gitdir correctly
+ submodule_gitdir="$(git -C sub1 rev-parse --path-format=absolute --git-common-dir)" &&
+ superproject_gitdir="$(git rev-parse --path-format=absolute --git-common-dir)" &&
+
+ test-tool path-utils relative_path "$superproject_gitdir" \
+ "$submodule_gitdir" >expect &&
+ git -C sub1 config submodule.superprojectGitDir >actual &&
+
+ test_cmp expect actual
'
test_expect_success 'absorbing does not fail for deinitialized submodules' '
@@ -61,7 +71,16 @@ test_expect_success 'absorb the git dir in a nested submodule' '
git status >actual.1 &&
git -C sub1/nested rev-parse HEAD >actual.2 &&
test_cmp expect.1 actual.1 &&
- test_cmp expect.2 actual.2
+ test_cmp expect.2 actual.2 &&
+
+ sub1_gitdir="$(git -C sub1 rev-parse --path-format=absolute --git-common-dir)" &&
+ sub1_nested_gitdir="$(git -C sub1/nested rev-parse --path-format=absolute --git-common-dir)" &&
+
+ test-tool path-utils relative_path "$sub1_gitdir" "$sub1_nested_gitdir" \
+ >expect &&
+ git -C sub1/nested config submodule.superprojectGitDir >actual &&
+
+ test_cmp expect actual
'
test_expect_success 're-setup nested submodule' '
@@ -130,4 +149,31 @@ test_expect_success 'absorbing fails for a submodule with multiple worktrees' '
test_i18ngrep "not supported" error
'
+test_expect_success 'absorbgitdirs works when called from a superproject worktree' '
+ # set up a worktree of the superproject
+ git worktree add wt &&
+ (
+ cd wt &&
+
+ # create a new unembedded git dir
+ git init sub4 &&
+ test_commit -C sub4 first &&
+ git submodule add ./sub4 &&
+ test_tick &&
+
+ # absorb the git dir
+ git submodule absorbgitdirs sub4 &&
+
+ # make sure the submodule cached the superproject gitdir correctly
+ submodule_gitdir="$(git -C sub4 rev-parse --path-format=absolute --git-common-dir)" &&
+ superproject_gitdir="$(git rev-parse --path-format=absolute --git-common-dir)" &&
+
+ test-tool path-utils relative_path "$superproject_gitdir" \
+ "$submodule_gitdir" >expect &&
+ git -C sub4 config submodule.superprojectGitDir >actual &&
+
+ test_cmp expect actual
+ )
+'
+
test_done
--
2.34.0.rc0.344.g81b53c2807-goog
