rebase-i: keep old parents when preserving merges

[git.git] / builtin-fetch.c

diff --git a/builtin-fetch.c b/builtin-fetch.c
index 7c16d38de7ddd52883cee79392cf4aa9d8492a96..97fdc51e3188143e0546512f59be9d2542dcac9a 100644 (file)
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -181,9 +181,9 @@ static int s_update_ref(const char *action,
        lock = lock_any_ref_for_update(ref->name,
                                       check_old ? ref->old_sha1 : NULL, 0);
        if (!lock)
-               return 1;
+               return 2;
        if (write_ref_sha1(lock, ref->new_sha1, msg) < 0)
-               return 1;
+               return 2;
        return 0;
 }
 
@@ -294,7 +294,8 @@ static int update_local_ref(struct ref *ref,
        }
 }
 
-static int store_updated_refs(const char *url, struct ref *ref_map)
+static int store_updated_refs(const char *url, const char *remote_name,
+               struct ref *ref_map)
 {
        FILE *fp;
        struct commit *commit;
@@ -380,6 +381,10 @@ static int store_updated_refs(const char *url, struct ref *ref_map)
                }
        }
        fclose(fp);
+       if (rc & 2)
+               error("some local refs could not be updated; try running\n"
+                     " 'git remote prune %s' to remove any old, conflicting "
+                     "branches", remote_name);
        return rc;
 }
 
@@ -450,7 +455,9 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
        if (ret)
                ret = transport_fetch_refs(transport, ref_map);
        if (!ret)
-               ret |= store_updated_refs(transport->url, ref_map);
+               ret |= store_updated_refs(transport->url,
+                               transport->remote->name,
+                               ref_map);
        transport_unlock_pack(transport);
        return ret;
 }