mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-01-14 13:00:10 -06:00
114 lines
3.3 KiB
Python
114 lines
3.3 KiB
Python
from __future__ import unicode_literals
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import logging
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import shutil
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from cached_property import cached_property
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from pre_commit.languages.all import languages
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from pre_commit.manifest import Manifest
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from pre_commit.prefixed_command_runner import PrefixedCommandRunner
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logger = logging.getLogger('pre_commit')
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class Repository(object):
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def __init__(self, repo_config, repo_path_getter):
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self.repo_config = repo_config
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self.repo_path_getter = repo_path_getter
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self.__installed = False
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@classmethod
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def create(cls, config, store):
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repo_path_getter = store.get_repo_path_getter(
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config['repo'], config['sha']
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)
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return cls(config, repo_path_getter)
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@cached_property
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def repo_url(self):
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return self.repo_config['repo']
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@cached_property
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def sha(self):
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return self.repo_config['sha']
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@cached_property
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def languages(self):
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return set(
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(hook['language'], hook['language_version'])
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for _, hook in self.hooks
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)
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@cached_property
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def hooks(self):
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# TODO: merging in manifest dicts is a smell imo
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return tuple(
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(hook['id'], dict(self.manifest.hooks[hook['id']], **hook))
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for hook in self.repo_config['hooks']
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)
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@cached_property
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def manifest(self):
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return Manifest(self.repo_path_getter)
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@cached_property
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def cmd_runner(self):
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return PrefixedCommandRunner(self.repo_path_getter.repo_path)
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def require_installed(self):
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if self.__installed:
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return
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self.install()
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self.__installed = True
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def install(self):
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"""Install the hook repository."""
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def language_is_installed(language_name):
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language = languages[language_name]
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return (
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language.ENVIRONMENT_DIR is None or
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self.cmd_runner.exists(language.ENVIRONMENT_DIR, '.installed')
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)
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if not all(
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language_is_installed(language_name)
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for language_name, _ in self.languages
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):
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logger.info(
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'Installing environment for {0}.'.format(self.repo_url)
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)
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logger.info('Once installed this environment will be reused.')
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logger.info('This may take a few minutes...')
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for language_name, language_version in self.languages:
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language = languages[language_name]
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if language_is_installed(language_name):
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continue
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# There's potentially incomplete cleanup from previous runs
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# Clean it up!
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if self.cmd_runner.exists(language.ENVIRONMENT_DIR):
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shutil.rmtree(self.cmd_runner.path(language.ENVIRONMENT_DIR))
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language.install_environment(self.cmd_runner, language_version)
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# Touch the .installed file (atomic) to indicate we've installed
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open(
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self.cmd_runner.path(language.ENVIRONMENT_DIR, '.installed'),
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'w',
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).close()
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def run_hook(self, hook, file_args):
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"""Run a hook.
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Args:
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hook - Hook dictionary
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file_args - List of files to run
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"""
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self.require_installed()
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return languages[hook['language']].run_hook(
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self.cmd_runner, hook, file_args,
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)
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