--- a/hgext/evolve.py	Sat Aug 08 12:45:36 2015 -0700
+++ b/hgext/evolve.py	Sat Aug 08 12:42:57 2015 -0700
@@ -2603,6 +2603,11 @@
         if len(ctx.parents()) > 1:
             raise util.Abort(_("cannot split merge commits"))
         prev = ctx.p1()
+        bmupdate = _bookmarksupdater(repo, ctx.node())
+        bookactive = bmactive(repo)
+        if bookactive is not None:
+            repo.ui.status(_("(leaving bookmark %s)\n") % bmactive(repo))
+        bmdeactivate(repo)
         hg.update(repo, prev)
 
         commands.revert(ui, repo, rev=r, all=True)
@@ -2624,6 +2629,10 @@
             else:
                 ui.status("no more change to split\n")
 
+        tip = repo[newcommits[-1]]
+        bmupdate(tip.node())
+        if bookactive is not None:
+            bmactivate(repo, bookactive)
         obsolete.createmarkers(repo, [(repo[r], newcommits)])
         tr.close()
     finally: