Merge branch 'ps/fetch-optim-with-commit-graph'

A couple of optimization to "git fetch".

* ps/fetch-optim-with-commit-graph:
  fetch: skip computing output width when not printing anything
  fetch-pack: use commit-graph when computing cutoff

builtin/fetch.c

@@ -1094,12 +1094,15 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
 	struct ref *rm;
 	char *url;
 	int want_status;
-	int summary_width = transport_summary_width(ref_map);
+	int summary_width = 0;
 
 	rc = open_fetch_head(&fetch_head);
 	if (rc)
 		return -1;
 
+	if (verbosity >= 0)
+		summary_width = transport_summary_width(ref_map);
+
 	if (raw_url)
 		url = transport_anonymize_url(raw_url);
 	else
@@ -1345,7 +1348,6 @@ static int prune_refs(struct refspec *rs, struct ref *ref_map,
 	int url_len, i, result = 0;
 	struct ref *ref, *stale_refs = get_stale_heads(rs, ref_map);
 	char *url;
-	int summary_width = transport_summary_width(stale_refs);
 	const char *dangling_msg = dry_run
 		? _("   (%s will become dangling)")
 		: _("   (%s has become dangling)");
@@ -1374,6 +1376,8 @@ static int prune_refs(struct refspec *rs, struct ref *ref_map,
 	}
 
 	if (verbosity >= 0) {
+		int summary_width = transport_summary_width(stale_refs);
+
 		for (ref = stale_refs; ref; ref = ref->next) {
 			struct strbuf sb = STRBUF_INIT;
 			if (!shown_url) {

fetch-pack.c

@@ -696,26 +696,30 @@ static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
 
 	trace2_region_enter("fetch-pack", "parse_remote_refs_and_find_cutoff", NULL);
 	for (ref = *refs; ref; ref = ref->next) {
-		struct object *o;
+		struct commit *commit;
+
+		commit = lookup_commit_in_graph(the_repository, &ref->old_oid);
+		if (!commit) {
+			struct object *o;
 
-		if (!has_object_file_with_flags(&ref->old_oid,
+			if (!has_object_file_with_flags(&ref->old_oid,
 						OBJECT_INFO_QUICK |
-							OBJECT_INFO_SKIP_FETCH_OBJECT))
-			continue;
-		o = parse_object(the_repository, &ref->old_oid);
-		if (!o)
-			continue;
+						OBJECT_INFO_SKIP_FETCH_OBJECT))
+				continue;
+			o = parse_object(the_repository, &ref->old_oid);
+			if (!o || o->type != OBJ_COMMIT)
+				continue;
+
+			commit = (struct commit *)o;
+		}
 
 		/*
 		 * We already have it -- which may mean that we were
 		 * in sync with the other side at some time after
 		 * that (it is OK if we guess wrong here).
 		 */
-		if (o->type == OBJ_COMMIT) {
-			struct commit *commit = (struct commit *)o;
-			if (!cutoff || cutoff < commit->date)
-				cutoff = commit->date;
-		}
+		if (!cutoff || cutoff < commit->date)
+			cutoff = commit->date;
 	}
 	trace2_region_leave("fetch-pack", "parse_remote_refs_and_find_cutoff", NULL);