# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@ens-lyon.org>
# Date 1356346668 -3600
# Node ID 6a91cbb6790749a7c309de35931578e559e02962
# Parent  f0059ba239cbf0b55212825c2486e3dbbaec5ac5
phases: avoid changectx creation while checking command result

This minor changesets saves the creation of a `changectx` ctx object only used to
fetch the revision number.

diff -r f0059ba239cb -r 6a91cbb67907 mercurial/commands.py
--- a/mercurial/commands.py	Tue Dec 04 15:25:22 2012 +0100
+++ b/mercurial/commands.py	Mon Dec 24 11:57:48 2012 +0100
@@ -4630,9 +4630,10 @@
         finally:
             lock.release()
         newdata = repo._phasecache.getphaserevs(repo)
+        cl = repo.changelog
         changes = sum(o != newdata[i] for i, o in enumerate(olddata))
         rejected = [n for n in nodes
-                    if newdata[repo[n].rev()] < targetphase]
+                    if newdata[cl.rev(n)] < targetphase]
         if rejected:
             ui.warn(_('cannot move %i changesets to a more permissive '
                       'phase, use --force\n') % len(rejected))