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pre-commit/pre_commit/languages/pcre.py
2018-12-31 13:16:48 -08:00

23 lines
646 B
Python

from __future__ import unicode_literals
import sys
from pre_commit.languages import helpers
from pre_commit.xargs import xargs
ENVIRONMENT_DIR = None
GREP = 'ggrep' if sys.platform == 'darwin' else 'grep'
get_default_version = helpers.basic_get_default_version
healthy = helpers.basic_healthy
install_environment = helpers.no_install
def run_hook(hook, file_args):
# For PCRE the entry is the regular expression to match
cmd = (GREP, '-H', '-n', '-P') + tuple(hook.args) + (hook.entry,)
# Grep usually returns 0 for matches, and nonzero for non-matches so we
# negate it here.
return xargs(cmd, file_args, negate=True)