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[PATCH 19/23] submodule: don't add submodule as odb for push

In push_submodule(), because we do not actually need access to objects
in the submodule, do not invoke add_submodule_odb().
(for_each_remote_ref_submodule() does not require access to those
objects, and the actual push is done by spawning another process,
which handles object access by itself.)

This code of push_submodule() is exercised in t5531 and continues
to work, showing that the submodule odbc is not needed.

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
 submodule.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/submodule.c b/submodule.c
index 4486ff664b..d9c06767a1 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1023,9 +1023,6 @@ static int push_submodule(const char *path,
 			  const struct string_list *push_options,
 			  int dry_run)
-	if (add_submodule_odb(path))
-		return 1;
 	if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) {
 		struct child_process cp = CHILD_PROCESS_INIT;
 		argv_array_push(&cp.args, "push");