Files
pre-commit/tests/commands/install_uninstall_test.py
2018-12-27 18:25:54 -08:00

704 lines
24 KiB
Python

# -*- coding: UTF-8 -*-
from __future__ import absolute_import
from __future__ import unicode_literals
import io
import os.path
import re
import subprocess
import sys
import mock
import pre_commit.constants as C
from pre_commit.commands.install_uninstall import CURRENT_HASH
from pre_commit.commands.install_uninstall import install
from pre_commit.commands.install_uninstall import install_hooks
from pre_commit.commands.install_uninstall import is_our_script
from pre_commit.commands.install_uninstall import PRIOR_HASHES
from pre_commit.commands.install_uninstall import shebang
from pre_commit.commands.install_uninstall import uninstall
from pre_commit.languages import python
from pre_commit.util import cmd_output
from pre_commit.util import make_executable
from pre_commit.util import mkdirp
from pre_commit.util import resource_text
from testing.fixtures import git_dir
from testing.fixtures import make_consuming_repo
from testing.fixtures import remove_config_from_repo
from testing.util import cmd_output_mocked_pre_commit_home
from testing.util import cwd
from testing.util import xfailif_no_symlink
def test_is_not_script():
assert is_our_script('setup.py') is False
def test_is_script():
assert is_our_script('pre_commit/resources/hook-tmpl')
def test_is_previous_pre_commit(tmpdir):
f = tmpdir.join('foo')
f.write(PRIOR_HASHES[0] + '\n')
assert is_our_script(f.strpath)
def test_shebang_windows():
with mock.patch.object(sys, 'platform', 'win32'):
assert shebang() == '#!/usr/bin/env python'
def test_shebang_otherwise():
with mock.patch.object(sys, 'platform', 'posix'):
assert 'default' not in shebang()
def test_shebang_returns_default():
with mock.patch.object(sys, 'platform', 'posix'):
with mock.patch.object(
python, 'get_default_version', return_value='default',
):
assert shebang() == '#!/usr/bin/env python'
def test_install_pre_commit(in_git_dir, store):
assert not install(C.CONFIG_FILE, store)
assert os.access(in_git_dir.join('.git/hooks/pre-commit').strpath, os.X_OK)
assert not install(C.CONFIG_FILE, store, hook_type='pre-push')
assert os.access(in_git_dir.join('.git/hooks/pre-push').strpath, os.X_OK)
def test_install_hooks_directory_not_present(in_git_dir, store):
# Simulate some git clients which don't make .git/hooks #234
if in_git_dir.join('.git/hooks').exists(): # pragma: no cover (odd git)
in_git_dir.join('.git/hooks').remove()
install(C.CONFIG_FILE, store)
assert in_git_dir.join('.git/hooks/pre-commit').exists()
def test_install_refuses_core_hookspath(in_git_dir, store):
cmd_output('git', 'config', '--local', 'core.hooksPath', 'hooks')
assert install(C.CONFIG_FILE, store)
@xfailif_no_symlink # pragma: windows no cover
def test_install_hooks_dead_symlink(in_git_dir, store):
hook = in_git_dir.join('.git/hooks').ensure_dir().join('pre-commit')
os.symlink('/fake/baz', hook.strpath)
install(C.CONFIG_FILE, store)
assert hook.exists()
def test_uninstall_does_not_blow_up_when_not_there(in_git_dir):
assert uninstall() == 0
def test_uninstall(in_git_dir, store):
assert not in_git_dir.join('.git/hooks/pre-commit').exists()
install(C.CONFIG_FILE, store)
assert in_git_dir.join('.git/hooks/pre-commit').exists()
uninstall()
assert not in_git_dir.join('.git/hooks/pre-commit').exists()
def _get_commit_output(tempdir_factory, touch_file='foo', **kwargs):
commit_msg = kwargs.pop('commit_msg', 'Commit!')
open(touch_file, 'a').close()
cmd_output('git', 'add', touch_file)
return cmd_output_mocked_pre_commit_home(
'git', 'commit', '-am', commit_msg, '--allow-empty',
# git commit puts pre-commit to stderr
stderr=subprocess.STDOUT,
retcode=None,
tempdir_factory=tempdir_factory,
**kwargs
)[:2]
# osx does this different :(
FILES_CHANGED = (
r'('
r' 1 file changed, 0 insertions\(\+\), 0 deletions\(-\)\r?\n'
r'|'
r' 0 files changed\r?\n'
r')'
)
NORMAL_PRE_COMMIT_RUN = re.compile(
r'^\[INFO\] Initializing environment for .+\.\r?\n'
r'Bash hook\.+Passed\r?\n'
r'\[master [a-f0-9]{7}\] Commit!\r?\n' +
FILES_CHANGED +
r' create mode 100644 foo\r?\n$',
)
def test_install_pre_commit_and_run(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_install_pre_commit_and_run_custom_path(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
cmd_output('git', 'mv', C.CONFIG_FILE, 'custom-config.yaml')
cmd_output('git', 'commit', '-m', 'move pre-commit config')
assert install('custom-config.yaml', store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_install_in_submodule_and_run(tempdir_factory, store):
src_path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
parent_path = git_dir(tempdir_factory)
cmd_output('git', 'submodule', 'add', src_path, 'sub', cwd=parent_path)
cmd_output('git', 'commit', '-m', 'foo', cwd=parent_path)
sub_pth = os.path.join(parent_path, 'sub')
with cwd(sub_pth):
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_install_in_worktree_and_run(tempdir_factory, store):
src_path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
path = tempdir_factory.get()
cmd_output('git', '-C', src_path, 'branch', '-m', 'notmaster')
cmd_output('git', '-C', src_path, 'worktree', 'add', path, '-b', 'master')
with cwd(path):
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_commit_am(tempdir_factory, store):
"""Regression test for #322."""
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
# Make an unstaged change
open('unstaged', 'w').close()
cmd_output('git', 'add', '.')
cmd_output('git', 'commit', '-m', 'foo')
with io.open('unstaged', 'w') as foo_file:
foo_file.write('Oh hai')
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
def test_unicode_merge_commit_message(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
assert install(C.CONFIG_FILE, store) == 0
cmd_output('git', 'checkout', 'master', '-b', 'foo')
cmd_output('git', 'commit', '--allow-empty', '-n', '-m', 'branch2')
cmd_output('git', 'checkout', 'master')
cmd_output('git', 'merge', 'foo', '--no-ff', '--no-commit', '-m', '')
# Used to crash
cmd_output_mocked_pre_commit_home(
'git', 'commit', '--no-edit',
tempdir_factory=tempdir_factory,
)
def test_install_idempotent(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
assert install(C.CONFIG_FILE, store) == 0
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def _path_without_us():
# Choose a path which *probably* doesn't include us
return os.pathsep.join([
x for x in os.environ['PATH'].split(os.pathsep)
if x.lower() != os.path.dirname(sys.executable).lower()
])
def test_environment_not_sourced(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
# Patch the executable to simulate rming virtualenv
with mock.patch.object(sys, 'executable', '/does-not-exist'):
assert install(C.CONFIG_FILE, store) == 0
# Use a specific homedir to ignore --user installs
homedir = tempdir_factory.get()
ret, stdout, stderr = cmd_output(
'git', 'commit', '--allow-empty', '-m', 'foo',
env={
'HOME': homedir,
'PATH': _path_without_us(),
# Git needs this to make a commit
'GIT_AUTHOR_NAME': os.environ['GIT_AUTHOR_NAME'],
'GIT_COMMITTER_NAME': os.environ['GIT_COMMITTER_NAME'],
'GIT_AUTHOR_EMAIL': os.environ['GIT_AUTHOR_EMAIL'],
'GIT_COMMITTER_EMAIL': os.environ['GIT_COMMITTER_EMAIL'],
},
retcode=None,
)
assert ret == 1
assert stdout == ''
assert stderr.replace('\r\n', '\n') == (
'`pre-commit` not found. '
'Did you forget to activate your virtualenv?\n'
)
FAILING_PRE_COMMIT_RUN = re.compile(
r'^\[INFO\] Initializing environment for .+\.\r?\n'
r'Failing hook\.+Failed\r?\n'
r'hookid: failing_hook\r?\n'
r'\r?\n'
r'Fail\r?\n'
r'foo\r?\n'
r'\r?\n$',
)
def test_failing_hooks_returns_nonzero(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'failing_hook_repo')
with cwd(path):
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 1
assert FAILING_PRE_COMMIT_RUN.match(output)
EXISTING_COMMIT_RUN = re.compile(
r'^legacy hook\r?\n'
r'\[master [a-f0-9]{7}\] Commit!\r?\n' +
FILES_CHANGED +
r' create mode 100644 baz\r?\n$',
)
def _write_legacy_hook(path):
mkdirp(os.path.join(path, '.git/hooks'))
with io.open(os.path.join(path, '.git/hooks/pre-commit'), 'w') as f:
f.write('#!/usr/bin/env bash\necho "legacy hook"\n')
make_executable(f.name)
def test_install_existing_hooks_no_overwrite(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
_write_legacy_hook(path)
# Make sure we installed the "old" hook correctly
ret, output = _get_commit_output(tempdir_factory, touch_file='baz')
assert ret == 0
assert EXISTING_COMMIT_RUN.match(output)
# Now install pre-commit (no-overwrite)
assert install(C.CONFIG_FILE, store) == 0
# We should run both the legacy and pre-commit hooks
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert output.startswith('legacy hook\n')
assert NORMAL_PRE_COMMIT_RUN.match(output[len('legacy hook\n'):])
def test_install_existing_hook_no_overwrite_idempotent(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
_write_legacy_hook(path)
# Install twice
assert install(C.CONFIG_FILE, store) == 0
assert install(C.CONFIG_FILE, store) == 0
# We should run both the legacy and pre-commit hooks
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert output.startswith('legacy hook\n')
assert NORMAL_PRE_COMMIT_RUN.match(output[len('legacy hook\n'):])
FAIL_OLD_HOOK = re.compile(
r'fail!\r?\n'
r'\[INFO\] Initializing environment for .+\.\r?\n'
r'Bash hook\.+Passed\r?\n',
)
def test_failing_existing_hook_returns_1(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
# Write out a failing "old" hook
mkdirp(os.path.join(path, '.git/hooks'))
with io.open(os.path.join(path, '.git/hooks/pre-commit'), 'w') as f:
f.write('#!/usr/bin/env bash\necho "fail!"\nexit 1\n')
make_executable(f.name)
assert install(C.CONFIG_FILE, store) == 0
# We should get a failure from the legacy hook
ret, output = _get_commit_output(tempdir_factory)
assert ret == 1
assert FAIL_OLD_HOOK.match(output)
def test_install_overwrite_no_existing_hooks(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
assert install(C.CONFIG_FILE, store, overwrite=True) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_install_overwrite(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
_write_legacy_hook(path)
assert install(C.CONFIG_FILE, store, overwrite=True) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_uninstall_restores_legacy_hooks(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
_write_legacy_hook(path)
# Now install and uninstall pre-commit
assert install(C.CONFIG_FILE, store) == 0
assert uninstall() == 0
# Make sure we installed the "old" hook correctly
ret, output = _get_commit_output(tempdir_factory, touch_file='baz')
assert ret == 0
assert EXISTING_COMMIT_RUN.match(output)
def test_replace_old_commit_script(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
# Install a script that looks like our old script
pre_commit_contents = resource_text('hook-tmpl')
new_contents = pre_commit_contents.replace(
CURRENT_HASH, PRIOR_HASHES[-1],
)
mkdirp(os.path.join(path, '.git/hooks'))
with io.open(os.path.join(path, '.git/hooks/pre-commit'), 'w') as f:
f.write(new_contents)
make_executable(f.name)
# Install normally
assert install(C.CONFIG_FILE, store) == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def test_uninstall_doesnt_remove_not_our_hooks(in_git_dir):
pre_commit = in_git_dir.join('.git/hooks').ensure_dir().join('pre-commit')
pre_commit.write('#!/usr/bin/env bash\necho 1\n')
make_executable(pre_commit.strpath)
assert uninstall() == 0
assert pre_commit.exists()
PRE_INSTALLED = re.compile(
r'Bash hook\.+Passed\r?\n'
r'\[master [a-f0-9]{7}\] Commit!\r?\n' +
FILES_CHANGED +
r' create mode 100644 foo\r?\n$',
)
def test_installs_hooks_with_hooks_True(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
install(C.CONFIG_FILE, store, hooks=True)
ret, output = _get_commit_output(
tempdir_factory, pre_commit_home=store.directory,
)
assert ret == 0
assert PRE_INSTALLED.match(output)
def test_install_hooks_command(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
install(C.CONFIG_FILE, store)
install_hooks(C.CONFIG_FILE, store)
ret, output = _get_commit_output(
tempdir_factory, pre_commit_home=store.directory,
)
assert ret == 0
assert PRE_INSTALLED.match(output)
def test_installed_from_venv(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
install(C.CONFIG_FILE, store)
# No environment so pre-commit is not on the path when running!
# Should still pick up the python from when we installed
ret, output = _get_commit_output(
tempdir_factory,
env={
'HOME': os.path.expanduser('~'),
'PATH': _path_without_us(),
'TERM': os.environ.get('TERM', ''),
# Windows needs this to import `random`
'SYSTEMROOT': os.environ.get('SYSTEMROOT', ''),
# Windows needs this to resolve executables
'PATHEXT': os.environ.get('PATHEXT', ''),
# Git needs this to make a commit
'GIT_AUTHOR_NAME': os.environ['GIT_AUTHOR_NAME'],
'GIT_COMMITTER_NAME': os.environ['GIT_COMMITTER_NAME'],
'GIT_AUTHOR_EMAIL': os.environ['GIT_AUTHOR_EMAIL'],
'GIT_COMMITTER_EMAIL': os.environ['GIT_COMMITTER_EMAIL'],
},
)
assert ret == 0
assert NORMAL_PRE_COMMIT_RUN.match(output)
def _get_push_output(tempdir_factory, opts=()):
return cmd_output_mocked_pre_commit_home(
'git', 'push', 'origin', 'HEAD:new_branch', *opts,
# git push puts pre-commit to stderr
stderr=subprocess.STDOUT,
tempdir_factory=tempdir_factory,
retcode=None
)[:2]
def test_pre_push_integration_failing(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'failing_hook_repo')
path = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path)
with cwd(path):
install(C.CONFIG_FILE, store, hook_type='pre-push')
# commit succeeds because pre-commit is only installed for pre-push
assert _get_commit_output(tempdir_factory)[0] == 0
assert _get_commit_output(tempdir_factory, touch_file='zzz')[0] == 0
retc, output = _get_push_output(tempdir_factory)
assert retc == 1
assert 'Failing hook' in output
assert 'Failed' in output
assert 'foo zzz' in output # both filenames should be printed
assert 'hookid: failing_hook' in output
def test_pre_push_integration_accepted(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
path = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path)
with cwd(path):
install(C.CONFIG_FILE, store, hook_type='pre-push')
assert _get_commit_output(tempdir_factory)[0] == 0
retc, output = _get_push_output(tempdir_factory)
assert retc == 0
assert 'Bash hook' in output
assert 'Passed' in output
def test_pre_push_force_push_without_fetch(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
path1 = tempdir_factory.get()
path2 = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path1)
cmd_output('git', 'clone', upstream, path2)
with cwd(path1):
assert _get_commit_output(tempdir_factory)[0] == 0
assert _get_push_output(tempdir_factory)[0] == 0
with cwd(path2):
install(C.CONFIG_FILE, store, hook_type='pre-push')
assert _get_commit_output(tempdir_factory, commit_msg='force!')[0] == 0
retc, output = _get_push_output(tempdir_factory, opts=('--force',))
assert retc == 0
assert 'Bash hook' in output
assert 'Passed' in output
def test_pre_push_new_upstream(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
upstream2 = git_dir(tempdir_factory)
path = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path)
with cwd(path):
install(C.CONFIG_FILE, store, hook_type='pre-push')
assert _get_commit_output(tempdir_factory)[0] == 0
cmd_output('git', 'remote', 'rename', 'origin', 'upstream')
cmd_output('git', 'remote', 'add', 'origin', upstream2)
retc, output = _get_push_output(tempdir_factory)
assert retc == 0
assert 'Bash hook' in output
assert 'Passed' in output
def test_pre_push_integration_empty_push(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
path = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path)
with cwd(path):
install(C.CONFIG_FILE, store, hook_type='pre-push')
_get_push_output(tempdir_factory)
retc, output = _get_push_output(tempdir_factory)
assert output == 'Everything up-to-date\n'
assert retc == 0
def test_pre_push_legacy(tempdir_factory, store):
upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
path = tempdir_factory.get()
cmd_output('git', 'clone', upstream, path)
with cwd(path):
mkdirp(os.path.join(path, '.git/hooks'))
with io.open(os.path.join(path, '.git/hooks/pre-push'), 'w') as f:
f.write(
'#!/usr/bin/env bash\n'
'set -eu\n'
'read lr ls rr rs\n'
'test -n "$lr" -a -n "$ls" -a -n "$rr" -a -n "$rs"\n'
'echo legacy\n',
)
make_executable(f.name)
install(C.CONFIG_FILE, store, hook_type='pre-push')
assert _get_commit_output(tempdir_factory)[0] == 0
retc, output = _get_push_output(tempdir_factory)
assert retc == 0
first_line, _, third_line = output.splitlines()[:3]
assert first_line == 'legacy'
assert third_line.startswith('Bash hook')
assert third_line.endswith('Passed')
def test_commit_msg_integration_failing(
commit_msg_repo, tempdir_factory, store,
):
install(C.CONFIG_FILE, store, hook_type='commit-msg')
retc, out = _get_commit_output(tempdir_factory)
assert retc == 1
assert out.startswith('Must have "Signed off by:"...')
assert out.strip().endswith('...Failed')
def test_commit_msg_integration_passing(
commit_msg_repo, tempdir_factory, store,
):
install(C.CONFIG_FILE, store, hook_type='commit-msg')
msg = 'Hi\nSigned off by: me, lol'
retc, out = _get_commit_output(tempdir_factory, commit_msg=msg)
assert retc == 0
first_line = out.splitlines()[0]
assert first_line.startswith('Must have "Signed off by:"...')
assert first_line.endswith('...Passed')
def test_commit_msg_legacy(commit_msg_repo, tempdir_factory, store):
hook_path = os.path.join(commit_msg_repo, '.git/hooks/commit-msg')
mkdirp(os.path.dirname(hook_path))
with io.open(hook_path, 'w') as hook_file:
hook_file.write(
'#!/usr/bin/env bash\n'
'set -eu\n'
'test -e "$1"\n'
'echo legacy\n',
)
make_executable(hook_path)
install(C.CONFIG_FILE, store, hook_type='commit-msg')
msg = 'Hi\nSigned off by: asottile'
retc, out = _get_commit_output(tempdir_factory, commit_msg=msg)
assert retc == 0
first_line, second_line = out.splitlines()[:2]
assert first_line == 'legacy'
assert second_line.startswith('Must have "Signed off by:"...')
def test_install_disallow_mising_config(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
remove_config_from_repo(path)
ret = install(
C.CONFIG_FILE, store, overwrite=True, skip_on_missing_conf=False,
)
assert ret == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 1
def test_install_allow_mising_config(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
remove_config_from_repo(path)
ret = install(
C.CONFIG_FILE, store, overwrite=True, skip_on_missing_conf=True,
)
assert ret == 0
ret, output = _get_commit_output(tempdir_factory)
assert ret == 0
expected = (
'`.pre-commit-config.yaml` config file not found. '
'Skipping `pre-commit`.'
)
assert expected in output
def test_install_temporarily_allow_mising_config(tempdir_factory, store):
path = make_consuming_repo(tempdir_factory, 'script_hooks_repo')
with cwd(path):
remove_config_from_repo(path)
ret = install(
C.CONFIG_FILE, store, overwrite=True, skip_on_missing_conf=False,
)
assert ret == 0
env = dict(os.environ, PRE_COMMIT_ALLOW_NO_CONFIG='1')
ret, output = _get_commit_output(tempdir_factory, env=env)
assert ret == 0
expected = (
'`.pre-commit-config.yaml` config file not found. '
'Skipping `pre-commit`.'
)
assert expected in output