refs: convert peel_ref to struct object_id

Convert peel_ref (and its corresponding backend) to struct object_id.

This transformation was done with an update to the declaration,
definition, comments, and test helper and the following semantic patch:

@@
expression E1, E2;
@@
- peel_ref(E1, E2.hash)
+ peel_ref(E1, &E2)

@@
expression E1, E2;
@@
- peel_ref(E1, E2->hash)
+ peel_ref(E1, E2)

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 9c6b224973..631de28761 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -562,7 +562,7 @@ static int mark_tagged(const char *path, const struct object_id *oid, int flag,
 
 	if (entry)
 		entry->tagged = 1;
-	if (!peel_ref(path, peeled.hash)) {
+	if (!peel_ref(path, &peeled)) {
 		entry = packlist_find(&to_pack, peeled.hash, NULL);
 		if (entry)
 			entry->tagged = 1;
@@ -2371,7 +2371,7 @@ static int add_ref_tag(const char *path, const struct object_id *oid, int flag,
 	struct object_id peeled;
 
 	if (starts_with(path, "refs/tags/") && /* is a tag? */
-	    !peel_ref(path, peeled.hash)    && /* peelable? */
+	    !peel_ref(path, &peeled)    && /* peelable? */
 	    packlist_find(&to_pack, peeled.hash, NULL))      /* object packed? */
 		add_tag_chain(oid);
 	return 0;