77         try:

    77         try:

    78             self.ui.readconfig(self.join("hgrc"), self.root)

    78             self.ui.readconfig(self.join("hgrc"), self.root)

    79             extensions.loadall(self.ui)

    79             extensions.loadall(self.ui)

    80         except IOError:

    80         except IOError:

    81             pass

    81             pass

    86 

    82 

    87         self.tagscache = None

    83         self.tagscache = None

    88         self.branchcache = None

    84         self.branchcache = None

    89         self.nodetagscache = None

    85         self.nodetagscache = None

    90         self.filterpats = {}

    86         self.filterpats = {}