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# 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