162                 _("a bookmark cannot have the name of an existing branch"))

   162                 _("a bookmark cannot have the name of an existing branch"))

   163         if rev:

   163         if rev:

   164             marks[mark] = repo.lookup(rev)

   164             marks[mark] = repo.lookup(rev)

   165         else:

   165         else:

   166             marks[mark] = repo.changectx('.').node()

   166             marks[mark] = repo.changectx('.').node()

   167         write(repo, marks)

   168         write(repo, marks)

   168         return

   169         return

   169 

   170 

   170     if mark == None:

   171     if mark == None:

   171         if rev:

   172         if rev: