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from __future__ import unicode_literals

import argparse

import os

import sys

import pkg_resources

from pre_commit import color

from pre_commit import five

from pre_commit.commands.autoupdate import autoupdate

from pre_commit.commands.clean import clean

from pre_commit.commands.install_uninstall import install

from pre_commit.commands.install_uninstall import uninstall

from pre_commit.commands.run import run

from pre_commit.error_handler import error_handler

from pre_commit.runner import Runner

# https://github.com/pre-commit/pre-commit/issues/217

# On OSX, making a virtualenv using pyvenv at . causes `virtualenv` and `pip`

# to install packages to the wrong place. We don't want anything to deal with

# pyvenv

os.environ.pop('__PYVENV_LAUNCHER__', None)

def main(argv=None):

argv = argv if argv is not None else sys.argv[1:]

argv = [five.to_text(arg) for arg in argv]

parser = argparse.ArgumentParser()

# http://stackoverflow.com/a/8521644/812183

parser.add_argument(

'-V', '--version',

action='version',

version='%(prog)s {0}'.format(

pkg_resources.get_distribution('pre-commit').version

)

subparsers = parser.add_subparsers(dest='command')

install_parser = subparsers.add_parser(

'install', help='Install the pre-commit script.',

)

install_parser.add_argument(

'-f', '--overwrite', action='store_true',

help='Overwrite existing hooks / remove migration mode.',

)

install_parser.add_argument(

'--install-hooks', action='store_true',

help=(

'Whether to install hook environments for all environments '

'in the config file.'

)

install_parser.add_argument(

'-t', '--hook-type', choices=('pre-commit', 'pre-push'),

default='pre-commit',

)

uninstall_parser = subparsers.add_parser(

'uninstall', help='Uninstall the pre-commit script.',

)

uninstall_parser.add_argument(

'-t', '--hook-type', choices=('pre-commit', 'pre-push'),

default='pre-commit',

)

subparsers.add_parser('clean', help='Clean out pre-commit files.')

subparsers.add_parser(

'autoupdate',

help="Auto-update pre-commit config to the latest repos' versions.",

)

run_parser = subparsers.add_parser('run', help='Run hooks.')

run_parser.add_argument('hook', nargs='?', help='A single hook-id to run')

run_parser.add_argument(

'--color', default='auto', type=color.use_color,

help='Whether to use color in output. Defaults to `auto`',

)

run_parser.add_argument(

'--no-stash', default=False, action='store_true',

help='Use this option to prevent auto stashing of unstaged files.',

)

run_parser.add_argument(

'--verbose', '-v', action='store_true', default=False,

)

run_parser.add_argument(

'--origin', '-o',

help='The origin branch\'s commit_id when using `git push`',

)

run_parser.add_argument(

'--source', '-s',

help='The remote branch\'s commit_id when using `git push`',

)

run_parser.add_argument(

'--allow-unstaged-config', default=False, action='store_true',

help='Allow an unstaged config to be present. Note that this will'

'be stashed before parsing unless --no-stash is specified'

)

run_parser.add_argument(

'--hook-stage', choices=('commit', 'push'), default='commit',

help='The stage during which the hook is fired e.g. commit or push',

)

run_mutex_group = run_parser.add_mutually_exclusive_group(required=False)

run_mutex_group.add_argument(

'--all-files', '-a', action='store_true', default=False,

help='Run on all the files in the repo. Implies --no-stash.',

)

run_mutex_group.add_argument(

'--files', nargs='*', help='Specific filenames to run hooks on.',

)

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)

if args.command == 'help':

if args.help_cmd:

parser.parse_args([args.help_cmd, '--help'])

else:

parser.parse_args(['--help'])

with error_handler():

runner = Runner.create()

if args.command == 'install':

return install(

runner, overwrite=args.overwrite, hooks=args.install_hooks,

hook_type=args.hook_type,

)

elif args.command == 'uninstall':

return uninstall(runner, hook_type=args.hook_type)

elif args.command == 'clean':

return clean(runner)

elif args.command == 'autoupdate':

return autoupdate(runner)

elif args.command == 'run':

return run(runner, args)

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__':

exit(main())

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