[PATCH 2 of 3] revlog: fix pure nodemap to not access missing index entry
Yuya Nishihara
yuya at tcha.org
Fri Aug 17 00:41:44 EDT 2018
# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1534478090 -32400
# Fri Aug 17 12:54:50 2018 +0900
# Node ID a492553fb5277889521c5400d59b51fe238dc4d8
# Parent 0a01692d0560e11e15b8d9c25d944684cc9cab72
revlog: fix pure nodemap to not access missing index entry
This bug was revealed by a3dacabd476b and a1f934573c0b.
diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -1107,7 +1107,9 @@ class revlog(object):
@util.propertycache
def nodemap(self):
- self.rev(self.node(0))
+ if self.index:
+ # populate mapping down to the initial node
+ self.rev(self.node(0))
return self._nodecache
def hasnode(self, node):
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