refs: convert resolve_gitlink_ref to struct object_id

Convert the declaration and definition of resolve_gitlink_ref to use
struct object_id and apply the following semantic patch:

@@
expression E1, E2, E3;
@@
- resolve_gitlink_ref(E1, E2, E3.hash)
+ resolve_gitlink_ref(E1, E2, &E3)

@@
expression E1, E2, E3;
@@
- resolve_gitlink_ref(E1, E2, E3->hash)
+ resolve_gitlink_ref(E1, E2, E3)

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

1 files changed, 3 insertions, 3 deletions

diff --git a/refs.c b/refs.c
index 37485283c..90219d6e1 100644
--- a/refs.c
+++ b/refs.c
@@ -1498,7 +1498,7 @@ const char *resolve_ref_unsafe(const char *refname, int resolve_flags,
 }
 
 int resolve_gitlink_ref(const char *submodule, const char *refname,
-			unsigned char *sha1)
+			struct object_id *oid)
 {
 	struct ref_store *refs;
 	int flags;
@@ -1508,8 +1508,8 @@ int resolve_gitlink_ref(const char *submodule, const char *refname,
 	if (!refs)
 		return -1;
 
-	if (!refs_resolve_ref_unsafe(refs, refname, 0, sha1, &flags) ||
-	    is_null_sha1(sha1))
+	if (!refs_resolve_ref_unsafe(refs, refname, 0, oid->hash, &flags) ||
+	    is_null_oid(oid))
 		return -1;
 	return 0;
 }