identity: report bookmarks sorted

mercurial/commands.py

@@ -3632,7 +3632,7 b' def identify(ui, repo, source=None, rev='
                 bms = [bm for bm, bmr in peer.listkeys('bookmarks').iteritems()
                        if bmr == hexremoterev]
 
-            return bms
+            return sorted(bms)
 
         if bookmarks:
             output.extend(getbms())