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#!/usr/bin/env python
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
##########################################################################
#
# This is a collection of helper tools to get stuff done in NSS.
#
import sys
import argparse
import subprocess
import os
import platform
from hashlib import sha256
cwd = os.path.dirname(os.path.abspath(__file__))
class cfAction(argparse.Action):
docker_command = ["docker"]
restorecon = None
def __call__(self, parser, args, values, option_string=None):
if not args.noroot:
self.setDockerCommand()
if values:
files = [os.path.relpath(os.path.abspath(x), start=cwd) for x in values]
else:
files = self.modifiedFiles()
files = [os.path.join('/home/worker/nss', x) for x in files]
# First check if we can run docker.
try:
with open(os.devnull, "w") as f:
subprocess.check_call(
self.docker_command + ["images"], stdout=f)
except:
print("Please install docker and start the docker daemon.")
sys.exit(1)
docker_image = 'clang-format-service:latest'
cf_docker_folder = cwd + "/automation/clang-format"
# Build the image if necessary.
if self.filesChanged(cf_docker_folder):
self.buildImage(docker_image, cf_docker_folder)
# Check if we have the docker image.
try:
command = self.docker_command + [
"image", "inspect", "clang-format-service:latest"
]
with open(os.devnull, "w") as f:
subprocess.check_call(command, stdout=f)
except:
print("I have to build the docker image first.")
self.buildImage(docker_image, cf_docker_folder)
command = self.docker_command + [
'run', '-v', cwd + ':/home/worker/nss:Z', '--rm', '-ti', docker_image
]
# The clang format script returns 1 if something's to do. We don't
# care.
subprocess.call(command + files)
if self.restorecon is not None:
subprocess.call([self.restorecon, '-R', cwd])
def filesChanged(self, path):
hash = sha256()
for dirname, dirnames, files in os.walk(path):
for file in files:
with open(os.path.join(dirname, file), "rb") as f:
hash.update(f.read())
chk_file = cwd + "/.chk"
old_chk = ""
new_chk = hash.hexdigest()
if os.path.exists(chk_file):
with open(chk_file) as f:
old_chk = f.readline()
if old_chk != new_chk:
with open(chk_file, "w+") as f:
f.write(new_chk)
return True
return False
def buildImage(self, docker_image, cf_docker_folder):
command = self.docker_command + [
"build", "-t", docker_image, cf_docker_folder
]
subprocess.check_call(command)
return
def setDockerCommand(self):
if platform.system() == "Linux":
from distutils.spawn import find_executable
self.restorecon = find_executable('restorecon')
self.docker_command = ["sudo"] + self.docker_command
def modifiedFiles(self):
files = []
if os.path.exists(os.path.join(cwd, '.hg')):
st = subprocess.Popen(['hg', 'status', '-m', '-a'],
cwd=cwd, stdout=subprocess.PIPE)
for line in iter(st.stdout.readline, ''):
files += [line[2:].rstrip()]
elif os.path.exists(os.path.join(cwd, '.git')):
st = subprocess.Popen(['git', 'status', '--porcelain'],
cwd=cwd, stdout=subprocess.PIPE)
for line in iter(st.stdout.readline, ''):
if line[1] == 'M' or line[1] != 'D' and \
(line[0] == 'M' or line[0] == 'A' or
line[0] == 'C' or line[0] == 'U'):
files += [line[3:].rstrip()]
elif line[0] == 'R':
files += [line[line.index(' -> ', beg=4) + 4:]]
else:
print('Warning: neither mercurial nor git detected!')
def isFormatted(x):
return x[-2:] == '.c' or x[-3:] == '.cc' or x[-2:] == '.h'
return [x for x in files if isFormatted(x)]
class buildAction(argparse.Action):
def __call__(self, parser, args, values, option_string=None):
cwd = os.path.dirname(os.path.abspath(__file__))
subprocess.check_call([cwd + "/build.sh"] + values)
class testAction(argparse.Action):
def runTest(self, test, cycles="standard"):
cwd = os.path.dirname(os.path.abspath(__file__))
domsuf = os.getenv('DOMSUF', "localdomain")
host = os.getenv('HOST', "localhost")
env = {
"NSS_TESTS": test,
"NSS_CYCLES": cycles,
"DOMSUF": domsuf,
"HOST": host
}
os_env = os.environ
os_env.update(env)
command = cwd + "/tests/all.sh"
subprocess.check_call(command, env=os_env)
def __call__(self, parser, args, values, option_string=None):
self.runTest(values)
class commandsAction(argparse.Action):
commands = []
def __call__(self, parser, args, values, option_string=None):
for c in commandsAction.commands:
print(c)
def parse_arguments():
parser = argparse.ArgumentParser(
description='NSS helper script. ' +
'Make sure to separate sub-command arguments with --.')
subparsers = parser.add_subparsers()
parser_build = subparsers.add_parser(
'build', help='All arguments are passed to build.sh')
parser_build.add_argument(
'build_args', nargs='*', help="build arguments", action=buildAction)
parser_cf = subparsers.add_parser(
'clang-format',
help="""
Run clang-format.
By default this runs against any files that you have modified. If
there are no modified files, it checks everything.
""")
parser_cf.add_argument(
'--noroot',
help='On linux, suppress the use of \'sudo\' for running docker.',
action='store_true')
parser_cf.add_argument(
'<file/dir>',
nargs='*',
help="Specify files or directories to run clang-format on",
action=cfAction)
parser_test = subparsers.add_parser(
'tests', help='Run tests through tests/all.sh.')
tests = [
"cipher", "lowhash", "chains", "cert", "dbtests", "tools", "fips",
"sdr", "crmf", "smime", "ssl", "ocsp", "merge", "pkits", "ec",
"gtests", "ssl_gtests"
]
parser_test.add_argument(
'test', choices=tests, help="Available tests", action=testAction)
parser_commands = subparsers.add_parser(
'mach-commands',
help="list commands")
parser_commands.add_argument(
'mach-commands',
nargs='*',
action=commandsAction)
commandsAction.commands = [c for c in subparsers.choices]
return parser.parse_args()
def main():
parse_arguments()
if __name__ == '__main__':
main()
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