Add hg.LookupError

mercurial/repo.py

@@ -1,24 +1,27 b''
 # repo.py - repository base classes for mercurial
 #
 # Copyright 2005 Matt Mackall <[e-mail]>
 # Copyright 2006 Vadim Gelfer <[e-mail]>
 #
 # This software may be used and distributed according to the terms
 # of the GNU General Public License, incorporated herein by reference.
 
 class RepoError(Exception):
     pass
 
+class LookupError(RepoError):
+    pass
+
 class repository(object):
     def capable(self, name):
         '''tell whether repo supports named capability.
         return False if not supported.
         if boolean capability, return True.
         if string capability, return string.'''
         name_eq = name + '='
         for cap in self.capabilities:
             if name == cap:
                 return True
             if cap.startswith(name_eq):
                 return cap[len(name_eq):]
         return False