# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1565214775 -7200
# Node ID bf070a59546a8fd50518f4e8fa5ea29e25fa66ba
# Parent  2eec53a99ec1452a5296c662d36ca655884f6e71
revlog: move `nullid` early return sooner in `_revisiondata`

Let us deal with the special case before we start dealing with more generic
case.

diff -r 2eec53a99ec1 -r bf070a59546a mercurial/revlog.py
--- a/mercurial/revlog.py	Wed Aug 07 23:48:54 2019 +0200
+++ b/mercurial/revlog.py	Wed Aug 07 23:52:55 2019 +0200
@@ -1618,12 +1618,13 @@
             node = nodeorrev
             rev = None
 
+        if node == nullid:
+            return ""
+
         cachedrev = None
         flags = None
         rawtext = None
         basetext = None
-        if node == nullid:
-            return ""
         if self._revisioncache:
             if self._revisioncache[0] == node:
                 # _cache only stores rawtext