mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-01-14 13:00:10 -06:00
84 lines
2.6 KiB
Python
84 lines
2.6 KiB
Python
from __future__ import absolute_import
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from __future__ import unicode_literals
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import os.path
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import pre_commit.constants as C
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from pre_commit import output
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from pre_commit.clientlib import InvalidConfigError
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from pre_commit.clientlib import InvalidManifestError
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from pre_commit.clientlib import load_config
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from pre_commit.clientlib import load_manifest
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from pre_commit.clientlib import LOCAL
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from pre_commit.clientlib import META
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def _mark_used_repos(store, all_repos, unused_repos, repo):
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if repo['repo'] == META:
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return
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elif repo['repo'] == LOCAL:
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for hook in repo['hooks']:
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deps = hook.get('additional_dependencies')
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unused_repos.discard((
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store.db_repo_name(repo['repo'], deps), C.LOCAL_REPO_VERSION,
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))
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else:
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key = (repo['repo'], repo['rev'])
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path = all_repos.get(key)
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# can't inspect manifest if it isn't cloned
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if path is None:
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return
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try:
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manifest = load_manifest(os.path.join(path, C.MANIFEST_FILE))
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except InvalidManifestError:
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return
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else:
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unused_repos.discard(key)
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by_id = {hook['id']: hook for hook in manifest}
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for hook in repo['hooks']:
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if hook['id'] not in by_id:
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continue
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deps = hook.get(
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'additional_dependencies',
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by_id[hook['id']]['additional_dependencies'],
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)
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unused_repos.discard((
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store.db_repo_name(repo['repo'], deps), repo['rev'],
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))
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def _gc_repos(store):
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configs = store.select_all_configs()
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repos = store.select_all_repos()
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# delete config paths which do not exist
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dead_configs = [p for p in configs if not os.path.exists(p)]
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live_configs = [p for p in configs if os.path.exists(p)]
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all_repos = {(repo, ref): path for repo, ref, path in repos}
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unused_repos = set(all_repos)
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for config_path in live_configs:
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try:
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config = load_config(config_path)
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except InvalidConfigError:
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dead_configs.append(config_path)
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continue
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else:
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for repo in config['repos']:
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_mark_used_repos(store, all_repos, unused_repos, repo)
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store.delete_configs(dead_configs)
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for db_repo_name, ref in unused_repos:
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store.delete_repo(db_repo_name, ref, all_repos[(db_repo_name, ref)])
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return len(unused_repos)
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def gc(store):
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with store.exclusive_lock():
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repos_removed = _gc_repos(store)
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output.write_line('{} repo(s) removed.'.format(repos_removed))
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return 0
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