# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1578294486 -3600
# Node ID 612225e994ff388e7c0d9b5bd72e036066b06891
# Parent  894c91c2e3635f70c1bb315d98dadc859bd021cd
revlog: reorder a conditionnal about revlogio

if we are using REVLOGV0, we will not use a rust based index. This small line
movement make it clearer.

Differential Revision: https://phab.mercurial-scm.org/D7830

diff -r 894c91c2e363 -r 612225e994ff mercurial/revlog.py
--- a/mercurial/revlog.py	Fri Jan 10 15:47:39 2020 -0800
+++ b/mercurial/revlog.py	Mon Jan 06 08:08:06 2020 +0100
@@ -592,10 +592,10 @@
         self._storedeltachains = True
 
         self._io = revlogio()
-        if rustrevlog is not None and self.opener.options.get(b'rust.index'):
-            self._io = rustrevlogio()
         if self.version == REVLOGV0:
             self._io = revlogoldio()
+        elif rustrevlog is not None and self.opener.options.get(b'rust.index'):
+            self._io = rustrevlogio()
         try:
             d = self._io.parseindex(indexdata, self._inline)
         except (ValueError, IndexError):