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Add --allow-missing-config option to install

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When no '.pre-commit-config.yaml' file exists while `pre-commit` hooks
are enabled, `pre-commit` returns an error and the action is aborted.
This is a very common scenario when pre-commit is added later on a
project and the user wants to work on a previous branch where the
configuration file does not exist.

This commits allow the user to optionally install the `pre-commit` hooks
with an option to allow a missing configuration and trigger only the
legacy pre-commit hooks (if any) when it is missing.
This commit is contained in:
Filippos Giannakos 2017-02-21 12:40:33 +02:00
parent 41dcaff3fb
commit 2f4199850d
5 changed files with 84 additions and 2 deletions
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8
pre_commit/main.py
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@ -75,6 +75,13 @@ def main(argv=None):
'-t', '--hook-type', choices=('pre-commit', 'pre-push'),
default='pre-commit',
)
install_parser.add_argument(
'--allow-missing-config', action='store_true', default=False,
help=(
'Whether to allow a missing `pre-config` configuration file '
'or exit with a failure code.'
),
)
install_hooks_parser = subparsers.add_parser(
'install-hooks',
@ -182,6 +189,7 @@ def main(argv=None):
return install(
runner, overwrite=args.overwrite, hooks=args.install_hooks,
hook_type=args.hook_type,
skip_on_missing_conf=args.allow_missing_config
)
elif args.command == 'install-hooks':
return install_hooks(runner)