Merge pull request #2533 from dscho/try-stat-harder

Fix clone within a directory whose parent isn't readable by the current user

Author: dscho

compat/mingw.c

@@ -1070,7 +1070,19 @@ int mingw_stat(const char *file_name, struct stat *buf)
 FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
 OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
 if (hnd == INVALID_HANDLE_VALUE) {
-errno = err_win_to_posix(GetLastError());
+DWORD err = GetLastError();
+
+if (err == ERROR_ACCESS_DENIED &&
+ !mingw_lstat(file_name, buf) &&
+ !S_ISLNK(buf->st_mode))
+/*
+ * POSIX semantics state to still try to fill
+ * information, even if permission is denied to create
+ * a file handle.
+ */
+return 0;
+
+errno = err_win_to_posix(err);
 return -1;
 }
 result = get_file_info_by_handle(hnd, buf);