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Add new docker_image language type.

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`docker_image` is intended to be a lightweight hook type similar to system /
script which allows one to use an existing docker image which provides a
hook.
This commit is contained in:
Anthony Sottile 2017-09-02 19:49:23 -07:00
parent 491b90548f
commit 9c3bbecab8
10 changed files with 63 additions and 28 deletions
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19
pre_commit/languages/docker_image.py Normal file
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from __future__ import absolute_import
from __future__ import unicode_literals
from pre_commit.languages import helpers
from pre_commit.languages.docker import assert_docker_available
from pre_commit.languages.docker import docker_cmd
from pre_commit.xargs import xargs
ENVIRONMENT_DIR = None
get_default_version = helpers.basic_get_default_version
healthy = helpers.basic_healthy
install_environment = helpers.no_install
def run_hook(repo_cmd_runner, hook, file_args): # pragma: windows no cover
assert_docker_available()
cmd = docker_cmd() + helpers.to_cmd(hook)
return xargs(cmd, file_args)