remote: avoid reading $GIT_DIR config in non-repo

diff --git a/rerere.c b/rerere.c
index aaadec17d867d521fc0eaab7fcdd2e871bdf1267..5d083ca572df0c8a2cb90c0b12c14e15b4134d48 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -980,7 +980,8 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
                        break;
                i = ce_stage(ce) - 1;
                if (!mmfile[i].ptr) {
-                       mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size);
+                       mmfile[i].ptr = read_sha1_file(ce->oid.hash, &type,
+                                                      &size);
                        mmfile[i].size = size;
                }
        }