# Copyright (C) 2009 Google Inc. All rights reserved.
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# modification, are permitted provided that the following conditions are
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# in the documentation and/or other materials provided with the
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import os

from modules.logging import error
from modules.webkitlandingscripts import WebKitLandingScripts
from modules.webkitport import WebKitPort

class BuildSteps:
    def clean_working_directory(self, scm, options, allow_local_commits=False):
        os.chdir(scm.checkout_root)
        if not allow_local_commits:
            scm.ensure_no_local_commits(options.force_clean)
        if options.clean:
            scm.ensure_clean_working_directory(force_clean=options.force_clean)

    def run_tests(self, launch_safari, fail_fast=False, quiet=False, port=WebKitPort):
        args = port.run_webkit_tests_command()
        if not launch_safari:
            args.append("--no-launch-safari")
        if quiet:
            args.append("--quiet")
        if fail_fast:
            args.append("--exit-after-n-failures=1")
        WebKitLandingScripts.run_and_throw_if_fail(args)

    def ensure_builders_are_green(self, buildbot, options):
        if not options.check_builders or buildbot.core_builders_are_green():
            return
        error("Builders at %s are red, please do not commit.  Pass --ignore-builders to bypass this check." % (buildbot.buildbot_host))