def run(config_file, store, args, environ=os.environ):
no_stash = args.all_files or bool(args.files)
# Check if we have unresolved merge conflict files and fail fast.
if _has_unmerged_paths():
logger.error('Unmerged files. Resolve before committing.')
return 1
if bool(args.source) != bool(args.origin):
logger.error('Specify both --origin and --source.')
return 1
if _has_unstaged_config(config_file) and not no_stash:
logger.error(
'Your pre-commit configuration is unstaged.\n'
'`git add {}` to fix this.'.format(config_file),
)
return 1
# Expose origin / source as environment variables for hooks to consume
if args.origin and args.source:
environ['PRE_COMMIT_ORIGIN'] = args.origin
environ['PRE_COMMIT_SOURCE'] = args.source
if no_stash:
ctx = noop_context()
else:
ctx = staged_files_only(store.directory)
with ctx:
config = load_config(config_file)
hooks = [
hook
for hook in all_hooks(config, store)
if not args.hook or hook.id == args.hook or hook.alias == args.hook
if args.hook_stage in hook.stages
]
if args.hook and not hooks:
output.write_line('No hook with id `{}`'.format(args.hook))
return 1
install_hook_envs(hooks, store)
return _run_hooks(config, hooks, args, environ)
def install_hooks(config_file, store):
install_hook_envs(all_hooks(load_config(config_file), store), store)
def run(
config_file: str,
store: Store,
args: argparse.Namespace,
environ: MutableMapping[str, str] = os.environ,
) -> int:
stash = not args.all_files and not args.files
# Check if we have unresolved merge conflict files and fail fast.
if _has_unmerged_paths():
logger.error('Unmerged files. Resolve before committing.')
return 1
if bool(args.from_ref) != bool(args.to_ref):
logger.error('Specify both --from-ref and --to-ref.')
return 1
if stash and _has_unstaged_config(config_file):
logger.error(
f'Your pre-commit configuration is unstaged.\n'
f'`git add {config_file}` to fix this.', )
return 1
if (args.hook_stage in {'prepare-commit-msg', 'commit-msg'}
and not args.commit_msg_filename):
logger.error(
f'`--commit-msg-filename` is required for '
f'`--hook-stage {args.hook_stage}`', )
return 1
# prevent recursive post-checkout hooks (#1418)
if (args.hook_stage == 'post-checkout'
and environ.get('_PRE_COMMIT_SKIP_POST_CHECKOUT')):
return 0
# Expose from-ref / to-ref as environment variables for hooks to consume
if args.from_ref and args.to_ref:
# legacy names
environ['PRE_COMMIT_ORIGIN'] = args.from_ref
environ['PRE_COMMIT_SOURCE'] = args.to_ref
# new names
environ['PRE_COMMIT_FROM_REF'] = args.from_ref
environ['PRE_COMMIT_TO_REF'] = args.to_ref
if args.remote_name and args.remote_url:
environ['PRE_COMMIT_REMOTE_NAME'] = args.remote_name
environ['PRE_COMMIT_REMOTE_URL'] = args.remote_url
if args.checkout_type:
environ['PRE_COMMIT_CHECKOUT_TYPE'] = args.checkout_type
# Set pre_commit flag
environ['PRE_COMMIT'] = '1'
with contextlib.ExitStack() as exit_stack:
if stash:
exit_stack.enter_context(staged_files_only(store.directory))
config = load_config(config_file)
hooks = [
hook for hook in all_hooks(config, store)
if not args.hook or hook.id == args.hook or hook.alias == args.hook
if args.hook_stage in hook.stages
]
if args.hook and not hooks:
output.write_line(
f'No hook with id `{args.hook}` in stage `{args.hook_stage}`',
)
return 1
install_hook_envs(hooks, store)
return _run_hooks(config, hooks, args, environ)
# https://github.com/python/mypy/issues/7726
raise AssertionError('unreachable')
def _get_hook(repo_config, store, hook_id):
hook = _get_hook_no_install(repo_config, store, hook_id)
install_hook_envs([hook], store)
return hook
def install_hooks(config_file, store):
install_hook_envs(all_hooks(load_config(config_file), store), store)
