[13/22] shallow: free grafts when unregistering them

Commit Message

Patrick Steinhardt Aug. 26, 2024, 7:22 a.m. UTC

When removing a graft via `unregister_shallow()` we remove it from the
grafts array, but do not free the structure. Fix this to plug the leak.

Signed-off-by: Patrick Steinhardt <[e-mail]>
---
 shallow.c                | 4 +++-
 t/t5537-fetch-shallow.sh | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

Patch

diff --git a/shallow.c b/shallow.c
index a10cf9e9d5d..7e0ee96ead9 100644
--- a/shallow.c
+++ b/shallow.c
@@ -51,10 +51,12 @@  int unregister_shallow(const struct object_id *oid)
 	int pos = commit_graft_pos(the_repository, oid);
 	if (pos < 0)
 		return -1;
-	if (pos + 1 < the_repository->parsed_objects->grafts_nr)
+	if (pos + 1 < the_repository->parsed_objects->grafts_nr) {
+		free(the_repository->parsed_objects->grafts[pos]);
 		MOVE_ARRAY(the_repository->parsed_objects->grafts + pos,
 			   the_repository->parsed_objects->grafts + pos + 1,
 			   the_repository->parsed_objects->grafts_nr - pos - 1);
+	}
 	the_repository->parsed_objects->grafts_nr--;
 	return 0;
 }
diff --git a/t/t5537-fetch-shallow.sh b/t/t5537-fetch-shallow.sh
index 37f7547a4ca..cae4d400f32 100755
--- a/t/t5537-fetch-shallow.sh
+++ b/t/t5537-fetch-shallow.sh
@@ -5,6 +5,7 @@  test_description='fetch/clone from a shallow clone'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 commit() {