Tools/Scripts/webkitpy/tool/commands/roll.py

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from webkitpy.tool.commands.abstractsequencedcommand import AbstractSequencedCommand

from webkitpy.tool import steps


default_changelog_message = "Unreviewed.  Rolled DEPS.\n\n"

class RollChromiumDEPS(AbstractSequencedCommand):
    name = "roll-chromium-deps"
    help_text = "Updates Chromium DEPS (LKGR as the revision will use the last-known good revision of Chromium)"
    argument_names = "CHROMIUM_REVISION"
    steps = [
        steps.UpdateChromiumDEPS,
        steps.PrepareChangeLogForDEPSRoll,
        steps.ConfirmDiff,
        steps.Commit,
    ]

    def _prepare_state(self, options, args, tool):
        return {
            "chromium_revision": (args and args[0]),
            "changelog_message": default_changelog_message,
        }


class PostChromiumDEPSRoll(AbstractSequencedCommand):
    name = "post-chromium-deps-roll"
    help_text = "Posts a patch to update Chromium DEPS (LKGR as the revision will use the last-known good revision of Chromium)"
    argument_names = "CHROMIUM_REVISION CHROMIUM_REVISION_NAME [CHANGELOG_MESSAGE]"
    steps = [
        steps.CleanWorkingDirectory,
        steps.Update,
        steps.UpdateChromiumDEPS,
        steps.PrepareChangeLogForDEPSRoll,
        steps.CreateBug,
        steps.PostDiff,
    ]

    def _prepare_state(self, options, args, tool):
        options.review = False
        options.request_commit = True

        chromium_revision = args[0]
        chromium_revision_name = args[1]
        changelog_message = args[2] if len(args) >= 3 else default_changelog_message
        return {
            "chromium_revision": chromium_revision,
            "changelog_message": changelog_message,
            "bug_title": "Roll Chromium DEPS to %s" % chromium_revision_name,
            "bug_description": "A DEPS roll a day keeps the build break away.",
        }