# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1428735702 -32400
# Node ID a4191e0c728fa3fb7a1aff5ccfbbb17bcfbdde54
# Parent  90f2b9de30f22dd8f893c4a727730c0a9df319ec
cat: use ctx.manifestnode() in place of ctx._changeset[0]

diff -r 90f2b9de30f2 -r a4191e0c728f mercurial/cmdutil.py
--- a/mercurial/cmdutil.py	Fri Apr 10 23:34:06 2015 -0400
+++ b/mercurial/cmdutil.py	Sat Apr 11 16:01:42 2015 +0900
@@ -2402,7 +2402,7 @@
     if len(matcher.files()) == 1 and not matcher.anypats():
         file = matcher.files()[0]
         mf = repo.manifest
-        mfnode = ctx._changeset[0]
+        mfnode = ctx.manifestnode()
         if mf.find(mfnode, file)[0]:
             write(file)
             return 0