grep: allow threading even on a single-core machine

diff --git a/builtin/gc.c b/builtin/gc.c
index eeeb21b1c46dae897ec9db51e58f8d15fc4f915e..b677923ffc2eec4b12ee9253ca4849ec063daa10 100644 (file)
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -394,15 +394,17 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
        if (gc_before_repack())
                return -1;
 
-       if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
-               return error(FAILED_RUN, repack.argv[0]);
-
-       if (prune_expire) {
-               argv_array_push(&prune, prune_expire);
-               if (quiet)
-                       argv_array_push(&prune, "--no-progress");
-               if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
-                       return error(FAILED_RUN, prune.argv[0]);
+       if (!repository_format_precious_objects) {
+               if (run_command_v_opt(repack.argv, RUN_GIT_CMD))
+                       return error(FAILED_RUN, repack.argv[0]);
+
+               if (prune_expire) {
+                       argv_array_push(&prune, prune_expire);
+                       if (quiet)
+                               argv_array_push(&prune, "--no-progress");
+                       if (run_command_v_opt(prune.argv, RUN_GIT_CMD))
+                               return error(FAILED_RUN, prune.argv[0]);
+               }
        }
 
        if (prune_worktrees_expire) {