mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-04-15 10:01:46 +04:00
88 lines
2.8 KiB
Python
88 lines
2.8 KiB
Python
from __future__ import print_function
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from __future__ import unicode_literals
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import sys
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from pre_commit.clientlib.validate_config import CONFIG_JSON_SCHEMA
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from pre_commit.clientlib.validate_config import is_local_hooks
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from pre_commit.clientlib.validate_config import load_config
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from pre_commit.jsonschema_extensions import remove_defaults
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from pre_commit.repository import Repository
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from pre_commit.util import cmd_output
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from pre_commit.util import cwd
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from pre_commit.util import yaml_dump
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class RepositoryCannotBeUpdatedError(RuntimeError):
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pass
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def _update_repository(repo_config, runner):
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"""Updates a repository to the tip of `master`. If the repository cannot
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be updated because a hook that is configured does not exist in `master`,
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this raises a RepositoryCannotBeUpdatedError
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Args:
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repo_config - A config for a repository
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"""
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repo = Repository.create(repo_config, runner.store)
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with cwd(repo.repo_path_getter.repo_path):
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cmd_output('git', 'fetch')
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head_sha = cmd_output('git', 'rev-parse', 'origin/master')[1].strip()
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# Don't bother trying to update if our sha is the same
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if head_sha == repo_config['sha']:
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return head_sha
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# Modify the sha to be the head sha
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new_config = dict(repo_config)
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new_config['sha'] = head_sha
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new_repo = Repository.create(new_config, runner.store)
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# See if any of our hooks were deleted with the new commits
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hooks = set(hook_id for hook_id, _ in repo.hooks)
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hooks_missing = hooks - (hooks & set(new_repo.manifest.hooks.keys()))
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if hooks_missing:
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raise RepositoryCannotBeUpdatedError(
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'Cannot update because the tip of master is missing these hooks:\n'
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'{0}'.format(', '.join(sorted(hooks_missing)))
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)
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return head_sha
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def autoupdate(runner):
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"""Auto-update the pre-commit config to the latest versions of repos."""
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retv = 0
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changed = False
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configs = load_config(runner.config_file_path)
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for repo_config in configs:
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if is_local_hooks(repo_config):
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continue
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sys.stdout.write('Updating {0}...'.format(repo_config['repo']))
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sys.stdout.flush()
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original_sha = repo_config['sha']
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try:
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new_sha = _update_repository(repo_config, runner)
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except RepositoryCannotBeUpdatedError as error:
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print(error.args[0])
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retv = 1
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continue
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if new_sha != original_sha:
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changed = True
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print('updating {0} -> {1}.'.format(original_sha, new_sha))
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repo_config['sha'] = new_sha
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else:
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print('already up to date.')
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if changed:
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with open(runner.config_file_path, 'w') as config_file:
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config_file.write(
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yaml_dump(remove_defaults(configs, CONFIG_JSON_SCHEMA))
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)
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return retv
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