--- a/mercurial/bookmarks.py	Tue Dec 06 13:21:45 2011 +0100
+++ b/mercurial/bookmarks.py	Tue Dec 06 14:17:33 2011 -0600
@@ -155,7 +155,9 @@
 
     d = {}
     for k, v in marks.iteritems():
-        d[k] = hex(v)
+        # don't expose local divergent bookmarks
+        if '@' not in k and not k.endswith('@'):
+            d[k] = hex(v)
     return d
 
 def pushbookmark(repo, key, old, new):
@@ -192,8 +194,14 @@
                     changed = True
                     ui.status(_("updating bookmark %s\n") % k)
                 else:
-                    ui.warn(_("not updating divergent"
-                                   " bookmark %s\n") % k)
+                    for x in range(1, 100):
+                        n = '%s@%d' % (k, x)
+                        if n not in repo._bookmarks:
+                            break
+                    repo._bookmarks[n] = cr.node()
+                    changed = True
+                    ui.warn(_("divergent bookmark %s stored as %s\n") % (k, n))
+
     if changed:
         write(repo)
 

--- a/tests/test-bookmarks-pushpull.t	Tue Dec 06 13:21:45 2011 +0100
+++ b/tests/test-bookmarks-pushpull.t	Tue Dec 06 14:17:33 2011 -0600
@@ -117,10 +117,11 @@
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files (+1 heads)
-  not updating divergent bookmark X
+  divergent bookmark X stored as X@1
   (run 'hg heads' to see heads, 'hg merge' to merge)
   $ hg book
    * X                         1:9b140be10808
+     X@1                       2:0d2164f0ce0d
      Y                         0:4e3505fd9583
      foo                       -1:000000000000
      foobar                    -1:000000000000
@@ -175,7 +176,7 @@
   $ hg pull -B Z http://localhost:$HGPORT/
   pulling from http://localhost:$HGPORT/
   no changes found
-  not updating divergent bookmark X
+  divergent bookmark X stored as X@1
   importing bookmark Z
   $ hg clone http://localhost:$HGPORT/ cloned-bookmarks
   requesting all changes