builtin/blame: convert static function to struct object_id

This function is a caller of lookup_commit_reference_gently, which we
will convert later.

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

diff --git a/builtin/blame.c b/builtin/blame.c
index 07506a3e457d1540acb7700e4677d715d6842735..7d644d092543c65b712eae0da6daed988e3f8d3c 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2461,7 +2461,7 @@ static const char *dwim_reverse_initial(struct scoreboard *sb)
         */
        struct object *obj;
        struct commit *head_commit;
-       unsigned char head_sha1[20];
+       struct object_id head_oid;
 
        if (sb->revs->pending.nr != 1)
                return NULL;
@@ -2473,9 +2473,9 @@ static const char *dwim_reverse_initial(struct scoreboard *sb)
                return NULL;
 
        /* Do we have HEAD? */
-       if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL))
+       if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL))
                return NULL;
-       head_commit = lookup_commit_reference_gently(head_sha1, 1);
+       head_commit = lookup_commit_reference_gently(head_oid.hash, 1);
        if (!head_commit)
                return NULL;