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from webkitpy.tool.steps.abstractstep import AbstractStep
from webkitpy.tool.steps.options import Options
from webkitpy.common.system.deprecated_logging import log


class Update(AbstractStep):
    @classmethod
    def options(cls):
        return AbstractStep.options() + [
            Options.update,
            Options.quiet,
        ]

    def run(self, state):
        if not self._options.update:
            return
        log("Updating working directory")
        self._tool.executive.run_and_throw_if_fail(self._tool.port().update_webkit_command(), quiet=self._options.quiet)