Reverts any file changes

        :param unchanged: Only revert if the file is unchanged
        :type unchanged: bool

def revert(self, unchanged=False):
        """Reverts any file changes

        :param unchanged: Only revert if the file is unchanged
        :type unchanged: bool
        """
        cmd = ['revert']
        if unchanged:
            cmd.append('-a')

        wasadd = self.action == 'add'

        cmd.append(self.depotFile)

        self._connection.run(cmd)

        if 'movedFile' in self._p4dict:
            self._p4dict['depotFile'] = self._p4dict['movedFile']

        if not wasadd:
            self.query()

        if self._changelist:
            self._changelist.remove(self, permanent=True)