[PATCH 4 of 4 Series-B] clfilter: drop unnecessary explicit filtering on histedit

[pierre-yves.david at logilab.fr]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at logilab.fr>
# Date 1356346808 -3600
# Node ID 0d814a2cbe47ec999289bb7d7bf7d8b2fcaeee29
# Parent  a15e5b03cc461fcdfeecd0d360ee747772079b88
clfilter: drop unnecessary explicit filtering on histedit

Hidden changeset filtered is now done a repo level. The orphaned children
computation will not include any (unless you add --hidden of course).

diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -592,11 +592,11 @@ def between(repo, old, new, keep):
 
     When keep is false, the specified set can't have children."""
     ctxs = list(repo.set('%n::%n', old, new))
     if ctxs and not keep:
         if (not obsolete._enabled and
-            repo.revs('(%ld::) - (%ld + hidden())', ctxs, ctxs)):
+            repo.revs('(%ld::) - (%ld)', ctxs, ctxs)):
             raise util.Abort(_('cannot edit history that would orphan nodes'))
         root = ctxs[0] # list is already sorted by repo.set
         if not root.phase():
             raise util.Abort(_('cannot edit immutable changeset: %s') % root)
     return [c.node() for c in ctxs]