# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2020-09-23 13:16:16
# Node ID 4e2238ba51a494aa20626ee14f078e346c3af148
# Parent  f9a67afcc33b339fc8f6a45fbf2a0d5a089d35af

sidedata: simply read p1copies files from the `ChangingFiles` object

diff --git a/mercurial/changelog.py b/mercurial/changelog.py
--- a/mercurial/changelog.py
+++ b/mercurial/changelog.py
@@ -350,9 +350,7 @@ class changelogrevision(object):
     @property
     def p1copies(self):
         if self._cpsd:
-            rawcopies = self._sidedata.get(sidedatamod.SD_P1COPIES)
-            if not rawcopies:
-                return {}
+            return self.changes.copied_from_p1
         else:
             rawcopies = self.extra.get(b'p1copies')
         if rawcopies is None: