# HG changeset patch
# User Raphaël Gomès <rgomes@octobus.net>
# Date 2024-06-19 15:26:06
# Node ID b04011ca6effcd041723985651ae5a68ffbab4f5
# Parent  384016e91947021f21eaec66d997dfd37d2c72dc

revlog: add an early return for getting sidedata

No point in trying to fetch sidedata if there isn't a sidedata file.

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -2810,6 +2810,8 @@ class revlog:
 
     def _sidedata(self, rev):
         """Return the sidedata for a given revision number."""
+        if self._sidedatafile is None:
+            return {}
         sidedata_end = None
         if self._docket is not None:
             sidedata_end = self._docket.sidedata_end