# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2019-11-24 00:49:34
# Node ID c9d1e2ec1e2ee276634573a25663af1fc41f24ed
# Parent  e3c0f9c2c376fa91004c73b90671c0f022cd9a8e

locarepo: also fastpath `nullid` lookup in __getitem__

We already use that fastpath for `"null"` and `nullrev`, using it for `nullid`
is similar.

Differential Revision: https://phab.mercurial-scm.org/D7486

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -1531,7 +1531,7 @@ class localrepository(object):
             ]
 
         # dealing with some special values
-        if changeid == b'null' or changeid == nullrev:
+        if changeid == b'null' or changeid == nullrev or changeid == nullid:
             return context.changectx(self, nullrev, nullid, maybe_filtered=False)
         if changeid == b'tip':
             node = self.changelog.tip()