blob: 7c76202e446caf4f6412bd6b34c4a15d8f731f51 [file] [log] [blame]
# Copyright (c) 2011, 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.
import os
import cpplint
class PathHackException(Exception):
def __init__(self, error_msg):
self.error_msg = error_msg
def __str__(self):
return repr(self.error_msg)
def TrySvnPathHack(parent_path):
orig_path = os.path.join(parent_path, '.svn')
renamed_path = os.path.join(parent_path, '.svn_orig')
if os.path.exists(renamed_path):
error_msg = '".svn_orig" exists in presubmit parent directory('
error_msg += parent_path
error_msg += '). Consider renaming it manually to ".svn".'
raise PathHackException(error_msg)
if os.path.exists(orig_path):
# Make the parent SVN directory non-discoverable by cpplint to get
# the correct header guard checks. This is needed if using all Dart
# checkout.
os.rename(orig_path, renamed_path)
return lambda: os.rename(renamed_path, orig_path)
def TryGitPathHack(filename, parent_path):
def CommonSubdirectory(parent, child):
while len(child) > len(parent):
child, tail = os.path.split(child)
if child == parent:
return os.path.join(parent, tail)
if os.path.exists(os.path.join(parent_path, '.git')):
runtime_path = CommonSubdirectory(parent_path, filename)
if runtime_path is not None:
fake_svn_path = os.path.join(runtime_path, '.svn')
if os.path.exists(fake_svn_path):
error_msg = '".svn" exists in presubmit parent subdirectory('
error_msg += fake_svn_path
error_msg += '). Consider removing it manually.'
raise PathHackException(error_msg)
# Deposit a file named ".svn" in the runtime directory to fool
# cpplint into thinking it is the source root.
open(fake_svn_path, 'w').close()
return lambda: os.remove(fake_svn_path)
def RunLint(input_api, output_api):
result = []
# Find all .cc and .h files in the change list.
for svn_file in input_api.AffectedTextFiles():
filename = svn_file.AbsoluteLocalPath()
if filename.endswith('.cc') or filename.endswith('.h'):
cleanup = None
parent_path = os.path.dirname(input_api.PresubmitLocalPath())
if filename.endswith('.h'):
cleanup = TrySvnPathHack(parent_path)
if cleanup is None:
cleanup = TryGitPathHack(filename, parent_path)
except PathHackException, exception:
return [output_api.PresubmitError(str(exception))]
# Run cpplint on the file.
cpplint.ProcessFile(filename, 1)
if cleanup is not None:
# Report a presubmit error if any of the files had an error.
if cpplint._cpplint_state.error_count > 0:
result = [output_api.PresubmitError('Failed cpplint check.')]
return result
def CheckChangeOnUpload(input_api, output_api):
return RunLint(input_api, output_api)
def CheckChangeOnCommit(input_api, output_api):
return RunLint(input_api, output_api)