Files
pre-commit/pre_commit/run.py
2014-03-29 23:23:43 -07:00

151 lines
3.9 KiB
Python

import argparse
import os.path
import subprocess
import sys
from pre_commit import commands
from pre_commit import git
from pre_commit.runner import Runner
from pre_commit.util import entry
RED = '\033[41m'
GREEN = '\033[42m'
NORMAL = '\033[0m'
COLS = int(subprocess.Popen(['tput', 'cols'], stdout=subprocess.PIPE).communicate()[0])
PASS_FAIL_LENGTH = 6
def _run_single_hook(runner, repository, hook_id, all_files=False):
if all_files:
get_filenames = git.get_all_files_matching
else:
get_filenames = git.get_staged_files_matching
hook = repository.hooks[hook_id]
# Print the hook and the dots first in case the hook takes hella long to
# run.
print '{0}{1}'.format(
hook['name'],
'.' * (COLS - len(hook['name']) - PASS_FAIL_LENGTH - 6),
),
retcode, stdout, stderr = repository.run_hook(
runner.cmd_runner,
hook_id,
map(os.path.abspath, get_filenames(hook['files'])),
)
if retcode != repository.hooks[hook_id].get('expected_return_value', 0):
output = '\n'.join([stdout, stderr]).strip()
retcode = 1
color = RED
pass_fail = 'Failed'
else:
output = ''
retcode = 0
color = GREEN
pass_fail = 'Passed'
print '{0}{1}{2}'.format(color, pass_fail, NORMAL)
if output:
print
print output
print
return retcode
def run_hooks(runner, all_files=False):
"""Actually run the hooks."""
retval = 0
for repo in runner.repositories:
for hook_id in repo.hooks:
retval |= _run_single_hook(
runner,
repo,
hook_id,
all_files=all_files,
)
return retval
def run_single_hook(runner, hook_id, all_files=False):
for repo in runner.repositories:
if hook_id in repo.hooks:
return _run_single_hook(
runner,
repo,
hook_id,
all_files=all_files,
)
else:
print 'No hook with id {0}'.format(hook_id)
return 1
@entry
def run(argv):
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='command')
subparsers.add_parser('install', help='Intall the pre-commit script.')
subparsers.add_parser('uninstall', help='Uninstall the pre-commit script.')
subparsers.add_parser('autoupdate', help='Auto-update hooks config.')
run = subparsers.add_parser('run', help='Run hooks.')
run.add_argument('hook', nargs='?', help='A single hook-id to run'),
run.add_argument(
'--all-files', '-a', action='store_true', default=False,
help='Run on all the files in the repo.',
)
help = subparsers.add_parser('help', help='Show help for a specific command.')
help.add_argument('help_cmd', nargs='?', help='Command to show help for.')
# Argparse doesn't really provide a way to use a `default` subparser
if len(argv) == 0:
argv = ['run']
args = parser.parse_args(argv)
runner = Runner.create()
if args.command == 'install':
return commands.install(runner)
elif args.command == 'uninstall':
return commands.uninstall(runner)
elif args.command == 'autoupdate':
return commands.autoupdate(runner)
elif args.command == 'run':
if args.hook:
return run_single_hook(runner, args.hook, all_files=args.all_files)
else:
return run_hooks(runner, all_files=args.all_files)
elif args.command == 'help':
if args.help_cmd:
parser.parse_args([args.help_cmd, '--help'])
else:
parser.parse_args(['--help'])
else:
raise NotImplementedError(
'Command {0} not implemented.'.format(args.command)
)
raise AssertionError(
'Command {0} failed to exit with a returncode'.format(args.command)
)
if __name__ == '__main__':
sys.exit(run())