def command_patch(self):
        self.import_utils()
        patch_boost_path = os.path.join( self.regression_root, self.patch_boost )
        if os.path.exists( patch_boost_path ):
            self.log( 'Found patch file "%s". Executing it.' % patch_boost_path )
            os.chdir( self.regression_root )
            utils.system( [ patch_boost_path ] )
        pass