# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1676520208 -3600
# Node ID 8d02dfac072e29f6ea2a7fcbf435e58e155f9c89
# Parent  a99dcf53eebd54b82d9174fb276e28b6b1a052df
dirstate: make `restorebackup` more robust when it is a noop

If there are no data_file, we might not be able to determine its filename.
Which can be safely ignored.

(all this code is on the way out anyway)

diff -r a99dcf53eebd -r 8d02dfac072e mercurial/dirstate.py
--- a/mercurial/dirstate.py	Thu Feb 16 00:33:15 2023 +0100
+++ b/mercurial/dirstate.py	Thu Feb 16 05:03:28 2023 +0100
@@ -1671,7 +1671,7 @@
             # there was no file backup, delete existing files
             filename = self._actualfilename(tr)
             data_file = None
-            if self._use_dirstate_v2:
+            if self._use_dirstate_v2 and self._map.docket.uuid is not None:
                 data_file = self._map.docket.data_filename()
             if o.exists(filename):
                 o.unlink(filename)