blob: 870062aee77e3a2c1a993c72af29792eac00e702 [file] [log] [blame]
# Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
"""Top-level presubmit script for Dart.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into gcl.
"""
import imp
import os
import scm
import subprocess
import tempfile
def _CheckBuildStatus(input_api, output_api):
results = []
status_check = input_api.canned_checks.CheckTreeIsOpen(
input_api,
output_api,
json_url='http://dart-status.appspot.com/current?format=json')
results.extend(status_check)
return results
def _CheckDartFormat(input_api, output_api):
local_root = input_api.change.RepositoryRoot()
upstream = input_api.change._upstream
utils = imp.load_source('utils',
os.path.join(local_root, 'tools', 'utils.py'))
prebuilt_dartfmt = os.path.join(utils.CheckedInSdkPath(), 'bin', 'dartfmt')
windows = utils.GuessOS() == 'win32'
if windows:
prebuilt_dartfmt += '.bat'
if not os.path.isfile(prebuilt_dartfmt):
print('WARNING: dartfmt not found: %s' % (prebuilt_dartfmt))
return []
def HasFormatErrors(filename=None, contents=None):
args = [prebuilt_dartfmt, '--set-exit-if-changed']
if contents:
process = subprocess.Popen(args,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE
)
out, err = process.communicate(input=contents)
# There was a bug in the return code dartfmt returns when reading from
# stdin so we have to check whether the content matches rather than using
# the return code. When the next version of the dartfmt lands in the sdk
# we can switch this line to "return process.returncode != 0"
return out != contents
else:
try:
subprocess.check_output(args + [filename, '-n'])
except subprocess.CalledProcessError:
return True
return False
unformatted_files = []
for git_file in input_api.AffectedTextFiles():
filename = git_file.AbsoluteLocalPath()
if filename.endswith('.dart'):
if HasFormatErrors(filename=filename):
old_version_has_errors = False
try:
path = git_file.LocalPath()
if windows:
# Git expects a linux style path.
path = path.replace(os.sep, '/')
old_contents = scm.GIT.Capture(
['show', upstream + ':' + path],
cwd=local_root,
strip_out=False)
if HasFormatErrors(contents=old_contents):
old_version_has_errors = True
except subprocess.CalledProcessError as e:
# TODO(jacobr): verify that the error really is that the file was
# added for this CL.
old_version_has_errors = False
if old_version_has_errors:
print("WARNING: %s has existing and possibly new dartfmt issues" %
git_file.LocalPath())
else:
unformatted_files.append(filename)
if unformatted_files:
return [output_api.PresubmitError(
'File output does not match dartfmt.\n'
'Fix these issues with:\n'
'%s -w \\\n%s' % (prebuilt_dartfmt, ' \\\n'.join(unformatted_files)))]
return []
def CheckChangeOnCommit(input_api, output_api):
return (_CheckBuildStatus(input_api, output_api) +
_CheckDartFormat(input_api, output_api))
def CheckChangeOnUpload(input_api, output_api):
return _CheckDartFormat(input_api, output_api)