grep: use return value of strbuf_detach()

diff --git a/builtin/gc.c b/builtin/gc.c
index 8943bcc300d4a2ce6786857908e189c374373906..305fb0f45af3bdfc32e15bcc18acdcaa6af205cb 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -653,7 +653,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        gc_before_repack();
 
        if (!repository_format_precious_objects) {
-               close_all_packs(the_repository->objects);
+               close_object_store(the_repository->objects);
                if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
                        die(FAILED_RUN, repack.argv[0]);
 
@@ -681,13 +681,15 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        report_garbage = report_pack_garbage;
        reprepare_packed_git(the_repository);
        if (pack_garbage.nr > 0) {
-               close_all_packs(the_repository->objects);
+               close_object_store(the_repository->objects);
                clean_pack_garbage();
        }
 
-       if (gc_write_commit_graph)
-               write_commit_graph_reachable(get_object_directory(), 0,
-                                            !quiet && !daemonized);
+       if (gc_write_commit_graph &&
+           write_commit_graph_reachable(get_object_directory(),
+                                        !quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0,
+                                        NULL))
+               return 1;
 
        if (auto_gc && too_many_loose_objects())
                warning(_("There are too many unreachable loose objects; "