rerere: fix overeager gc

diff --git a/compat/mingw.c b/compat/mingw.c
index 9a8e3365827d303c6513475726113a3952fe0040..24333cb167f785cbcf29775eec1237259221e89c 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -304,8 +304,13 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
                goto revert_attrs;
        }
 
-       time_t_to_filetime(times->modtime, &mft);
-       time_t_to_filetime(times->actime, &aft);
+       if (times) {
+               time_t_to_filetime(times->modtime, &mft);
+               time_t_to_filetime(times->actime, &aft);
+       } else {
+               GetSystemTimeAsFileTime(&mft);
+               aft = mft;
+       }
        if (!SetFileTime((HANDLE)_get_osfhandle(fh), NULL, &aft, &mft)) {
                errno = EINVAL;
                rc = -1;