get_short_sha1(): correctly disambiguate type-limited abbreviation

diff --git a/sha1_name.c b/sha1_name.c
index 8bc20c54b17d4f1c08b4c7f8d8f38bb6a9e25011..13c3d75e8173cb2d4a4595ed09bcd304a69b5880 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -241,7 +241,7 @@ static int disambiguate_committish_only(const unsigned char *sha1, void *cb_data
                return 0;
 
        /* We need to do this the hard way... */
-       obj = deref_tag(lookup_object(sha1), NULL, 0);
+       obj = deref_tag(parse_object(sha1), NULL, 0);
        if (obj && obj->type == OBJ_COMMIT)
                return 1;
        return 0;