[PATCH STABLE] strip: set current bookmark to None if stripped

[Sean Farley]

# HG changeset patch
# User Sean Farley <sean.michael.farley at gmail.com>
# Date 1378584430 18000
#      Sat Sep 07 15:07:10 2013 -0500
# Branch stable
# Node ID f33dec43e9afbdf966abbb1a290fdc38efb09d59
# Parent  fd4f612f7cb6413940d4cf2052334cd23f60e042
strip: set current bookmark to None if stripped

diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -61,11 +61,11 @@
 
 from mercurial.i18n import _
 from mercurial.node import bin, hex, short, nullid, nullrev
 from mercurial.lock import release
 from mercurial import commands, cmdutil, hg, scmutil, util, revset
-from mercurial import repair, extensions, error, phases
+from mercurial import repair, extensions, error, phases, bookmarks
 from mercurial import patch as patchmod
 from mercurial import localrepo
 import os, re, errno, shutil
 
 commands.norepo += " qclone"
@@ -3059,10 +3059,12 @@
             update = False
         finally:
             wlock.release()
 
     if opts.get('bookmark'):
+        if mark == repo._bookmarkcurrent:
+            bookmarks.setcurrent(repo, None)
         del marks[mark]
         marks.write()
         ui.write(_("bookmark '%s' deleted\n") % mark)
 
     repo.mq.strip(repo, revs, backup=backup, update=update,