Files
pre-commit/pre_commit/repository.py
2014-03-13 22:12:33 -07:00

72 lines
2.0 KiB
Python

import contextlib
from plumbum import local
import pre_commit.constants as C
from pre_commit.clientlib.validate_manifest import validate_manifest
from pre_commit.hooks_workspace import in_hooks_workspace
from pre_commit.languages.all import languages
from pre_commit.util import cached_property
class Repository(object):
def __init__(self, repo_config):
self.repo_config = repo_config
@cached_property
def repo_url(self):
return self.repo_config['repo']
@cached_property
def sha(self):
return self.repo_config['sha']
@cached_property
def languages(self):
return set(filter(None, (
hook.get('language') for hook in self.hooks.values()
)))
@cached_property
def hooks(self):
return dict(
(hook['id'], dict(hook, **self.manifest[hook['id']]))
for hook in self.repo_config['hooks']
)
@cached_property
def manifest(self):
with self.in_checkout():
return dict(
(hook['id'], hook)
for hook in validate_manifest(C.MANIFEST_FILE)
)
@contextlib.contextmanager
def in_checkout(self):
with in_hooks_workspace():
# SMELL:
self.create()
with local.cwd(self.sha):
yield
def create(self):
with in_hooks_workspace():
if local.path(self.sha).exists():
# Project already exists, no reason to re-create it
return
local['git']['clone', self.repo_url, self.sha]()
with self.in_checkout():
local['git']['checkout', self.sha]()
def install(self):
with self.in_checkout():
for language in C.SUPPORTED_LANGUAGES:
if language in self.languages:
languages[language].install_environment()
def run_hook(self, hook_id, file_args):
with self.in_checkout():
hook = self.hooks[hook_id]
return languages[hook['language']].run_hook(hook, file_args)