blob: fa9ea0efb7e4ae7f5c11ef0ad568e5fded37d83a [file] [log] [blame]
#!/usr/bin/python
#
# Copyright 2017, The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
"""Script that is used by developers to run style checks on Kotlin files."""
import argparse
import errno
import os
import subprocess
import sys
MAIN_DIRECTORY = os.path.normpath(os.path.dirname(__file__))
KTLINT_JAR = os.path.join(MAIN_DIRECTORY, 'ktlint-android-all.jar')
def main(args=None):
parser = argparse.ArgumentParser()
parser.add_argument('--file', '-f', nargs='*')
args = parser.parse_args()
kotlin_files = [f for f in args.file if f.endswith('.kt')]
if not kotlin_files:
sys.exit(0)
ktlint_env = os.environ.copy()
ktlint_env['JAVA_CMD'] = 'java'
try:
check = subprocess.Popen(['java', '-jar', KTLINT_JAR] + kotlin_files,
stdout=subprocess.PIPE, env=ktlint_env)
stdout, _ = check.communicate()
if stdout:
print 'prebuilts/ktlint found errors in files you changed:'
print stdout
sys.exit(1)
else:
sys.exit(0)
except OSError as e:
if e.errno == errno.ENOENT:
print 'Error running ktlint!'
sys.exit(1)
if __name__ == '__main__':
main()