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Diffstat (limited to 'Tools/Scripts/webkitpy/tool/steps/updatechromiumdeps.py')
-rw-r--r-- | Tools/Scripts/webkitpy/tool/steps/updatechromiumdeps.py | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/tool/steps/updatechromiumdeps.py b/Tools/Scripts/webkitpy/tool/steps/updatechromiumdeps.py new file mode 100644 index 0000000..315bbac --- /dev/null +++ b/Tools/Scripts/webkitpy/tool/steps/updatechromiumdeps.py @@ -0,0 +1,64 @@ +# Copyright (C) 2011 Google Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import urllib2 + +from webkitpy.tool.steps.abstractstep import AbstractStep +from webkitpy.tool.steps.options import Options +from webkitpy.common.config import urls +from webkitpy.common.system.deprecated_logging import log, error + + +class UpdateChromiumDEPS(AbstractStep): + # Notice that this method throws lots of exciting exceptions! + def _fetch_last_known_good_revision(self): + return int(urllib2.urlopen(urls.chromium_lkgr_url).read()) + + def _validate_revisions(self, current_chromium_revision, new_chromium_revision): + if new_chromium_revision < current_chromium_revision: + log("Current Chromium DEPS revision %s is newer than %s." % (current_chromium_revision, new_chromium_revision)) + new_chromium_revision = self._tool.user.prompt("Enter new chromium revision (enter nothing to cancel):\n") + try: + new_chromium_revision = int(new_chromium_revision) + except ValueError, TypeError: + new_chromium_revision = None + if not new_chromium_revision: + error("Unable to update Chromium DEPS") + + + def run(self, state): + # Note that state["chromium_revision"] must be defined, but can be None. + new_chromium_revision = state["chromium_revision"] + if not new_chromium_revision: + new_chromium_revision = self._fetch_last_known_good_revision() + + deps = self._tool.checkout().chromium_deps() + current_chromium_revision = deps.read_variable("chromium_rev") + self._validate_revisions(current_chromium_revision, new_chromium_revision) + log("Updating Chromium DEPS to %s" % new_chromium_revision) + deps.write_variable("chromium_rev", new_chromium_revision) |