t7409: make sure submodule is initialized and updated in more detail

diff --git a/rerere.c b/rerere.c
index da18fc37dfc6cd9071b0ef5fc057048724ff3025..b57a34daa718a5ecf9750d3068a8ecee4f3e261f 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -524,7 +524,7 @@ static int do_plain_rerere(struct string_list *rr, int fd)
                                continue;
                        hex = xstrdup(sha1_to_hex(sha1));
                        string_list_insert(rr, path)->util = hex;
-                       if (mkdir(git_path("rr-cache/%s", hex), 0755))
+                       if (mkdir_in_gitdir(git_path("rr-cache/%s", hex)))
                                continue;
                        handle_file(path, NULL, rerere_path(hex, "preimage"));
                        fprintf(stderr, "Recorded preimage for '%s'\n", path);