diff: convert diff_change to struct object_id

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 6faa3c0d2424600a5e69dd20466aa763d95b586c..70137b0b7e56e6319872fddc3527fe1094009dee 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -341,7 +341,7 @@ static void shortlog(const char *name,
        const struct object_id *oid = &origin_data->oid;
        int limit = opts->shortlog_len;
 
-       branch = deref_tag(parse_object(oid->hash), oid_to_hex(oid), GIT_SHA1_HEXSZ);
+       branch = deref_tag(parse_object(oid), oid_to_hex(oid), GIT_SHA1_HEXSZ);
        if (!branch || branch->type != OBJ_COMMIT)
                return;
 
@@ -559,14 +559,14 @@ static void find_merge_parents(struct merge_parents *result,
                 * "name" here and we do not want to contaminate its
                 * util field yet.
                 */
-               obj = parse_object(oid.hash);
+               obj = parse_object(&oid);
                parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT);
                if (!parent)
                        continue;
                commit_list_insert(parent, &parents);
                add_merge_parent(result, &obj->oid, &parent->object.oid);
        }
-       head_commit = lookup_commit(head->hash);
+       head_commit = lookup_commit(head);
        if (head_commit)
                commit_list_insert(head_commit, &parents);
        parents = reduce_heads(parents);
@@ -633,7 +633,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out,
                struct commit *head;
                struct rev_info rev;
 
-               head = lookup_commit_or_die(head_oid.hash, "HEAD");
+               head = lookup_commit_or_die(&head_oid, "HEAD");
                init_revisions(&rev, NULL);
                rev.commit_format = CMIT_FMT_ONELINE;
                rev.ignore_merges = 1;