[PATCH 5 of 5 filtering part 2 V2] clfilter: fix `nodemap` usage in `getbundle`

[pierre-yves.david at logilab.fr]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at logilab.fr>
# Date 1355159561 -3600
# Node ID 6e54226c69bb73b0f8f140560379e3eeefcffd9c
# Parent  0ffb3f54b38648807bb24f020db9fbde84615c52
clfilter: fix `nodemap` usage in `getbundle`

With the current implementation, `changelog.nodemap` is not filtered. So some
filtered changeset in common are not filtered by `n in nodemap`. This leads to
crash lower in the stack when the bundle generation try to access those node on
a filtered changelog.

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -2198,12 +2198,12 @@ class localrepository(object):
         The nodes in common might not all be known locally due to the way the
         current discovery protocol works.
         """
         cl = self.changelog
         if common:
-            nm = cl.nodemap
-            common = [n for n in common if n in nm]
+            hasnode = cl.hasnode
+            common = [n for n in common if hasnode(n)]
         else:
             common = [nullid]
         if not heads:
             heads = cl.heads()
         return self.getlocalbundle(source,