290 

   290 

   291     def lookup(self, key):

   291     def lookup(self, key):

   292         try:

   292         try:

   293             return self.tags()[key]

   293             return self.tags()[key]

   294         except KeyError:

   294         except KeyError:

   295             try:

   299             try:

   296                 return self.changelog.lookup(key)

   300                 return self.changelog.lookup(key)

   297             except:

   301             except:

   298                 raise repo.RepoError(_("unknown revision '%s'") % key)

   302                 raise repo.RepoError(_("unknown revision '%s'") % key)

   299 

   303