import os.path import re import sys from unittest import mock import pre_commit.constants as C from pre_commit import git from pre_commit.commands import install_uninstall 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.parse_shebang import find_executable from pre_commit.util import cmd_output from pre_commit.util import make_executable from pre_commit.util import resource_text from testing.fixtures import add_config_to_repo from testing.fixtures import git_dir from testing.fixtures import make_consuming_repo from testing.fixtures import remove_config_from_repo from testing.fixtures import write_config from testing.util import cmd_output_mocked_pre_commit_home from testing.util import cwd from testing.util import git_commit 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(f'{PRIOR_HASHES[0]}\n') assert is_our_script(f.strpath) def patch_platform(platform): return mock.patch.object(sys, 'platform', platform) def patch_lookup_path(path): return mock.patch.object(install_uninstall, 'POSIX_SEARCH_PATH', path) def patch_sys_exe(exe): return mock.patch.object(install_uninstall, 'SYS_EXE', exe) def test_shebang_windows(): with patch_platform('win32'), patch_sys_exe('python.exe'): assert shebang() == '#!/usr/bin/env python.exe' def test_shebang_posix_not_on_path(): with patch_platform('posix'), patch_lookup_path(()): with patch_sys_exe('python3.6'): assert shebang() == '#!/usr/bin/env python3.6' def test_shebang_posix_on_path(tmpdir): exe = tmpdir.join(f'python{sys.version_info[0]}').ensure() make_executable(exe) with patch_platform('posix'), patch_lookup_path((tmpdir.strpath,)): with patch_sys_exe('python'): assert shebang() == f'#!/usr/bin/env python{sys.version_info[0]}' def test_install_pre_commit(in_git_dir, store): assert not install(C.CONFIG_FILE, store, hook_types=['pre-commit']) assert os.access(in_git_dir.join('.git/hooks/pre-commit').strpath, os.X_OK) assert not install(C.CONFIG_FILE, store, hook_types=['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, hook_types=['pre-commit']) assert in_git_dir.join('.git/hooks/pre-commit').exists() def test_install_multiple_hooks_at_once(in_git_dir, store): install(C.CONFIG_FILE, store, hook_types=['pre-commit', 'pre-push']) assert in_git_dir.join('.git/hooks/pre-commit').exists() assert in_git_dir.join('.git/hooks/pre-push').exists() uninstall(hook_types=['pre-commit', 'pre-push']) assert not in_git_dir.join('.git/hooks/pre-commit').exists() assert not in_git_dir.join('.git/hooks/pre-push').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, hook_types=['pre-commit']) 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, hook_types=['pre-commit']) assert hook.exists() def test_uninstall_does_not_blow_up_when_not_there(in_git_dir): assert uninstall(hook_types=['pre-commit']) == 0 def test_uninstall(in_git_dir, store): assert not in_git_dir.join('.git/hooks/pre-commit').exists() install(C.CONFIG_FILE, store, hook_types=['pre-commit']) assert in_git_dir.join('.git/hooks/pre-commit').exists() uninstall(hook_types=['pre-commit']) assert not in_git_dir.join('.git/hooks/pre-commit').exists() def _get_commit_output(tempdir_factory, touch_file='foo', **kwargs): open(touch_file, 'a').close() cmd_output('git', 'add', touch_file) return git_commit( fn=cmd_output_mocked_pre_commit_home, retcode=None, tempdir_factory=tempdir_factory, **kwargs, ) # osx does this different :( FILES_CHANGED = ( r'(' r' 1 file changed, 0 insertions\(\+\), 0 deletions\(-\)\n' r'|' r' 0 files changed\n' r')' ) NORMAL_PRE_COMMIT_RUN = re.compile( fr'^\[INFO\] Initializing environment for .+\.\n' fr'Bash hook\.+Passed\n' fr'\[master [a-f0-9]{{7}}\] commit!\n' fr'{FILES_CHANGED}' fr' create mode 100644 foo\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, hook_types=['pre-commit']) == 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.yaml') git_commit(cwd=path) assert install('custom.yaml', store, hook_types=['pre-commit']) == 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) git_commit(cwd=parent_path) sub_pth = os.path.join(parent_path, 'sub') with cwd(sub_pth): assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 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, hook_types=['pre-commit']) == 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', '.') git_commit(cwd=path) with open('unstaged', 'w') as foo_file: foo_file.write('Oh hai') assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 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, hook_types=['pre-commit']) == 0 cmd_output('git', 'checkout', 'master', '-b', 'foo') git_commit('-n', cwd=path) cmd_output('git', 'checkout', 'master') cmd_output('git', 'merge', 'foo', '--no-ff', '--no-commit', '-m', '☃') # Used to crash git_commit( '--no-edit', msg=None, fn=cmd_output_mocked_pre_commit_home, 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, hook_types=['pre-commit']) == 0 assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 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 env = dict(os.environ) exe = find_executable('pre-commit', _environ=env) while exe: parts = env['PATH'].split(os.pathsep) after = [x for x in parts if x.lower() != os.path.dirname(exe).lower()] if parts == after: raise AssertionError(exe, parts) env['PATH'] = os.pathsep.join(after) exe = find_executable('pre-commit', _environ=env) return env['PATH'] def test_environment_not_sourced(tempdir_factory, store): path = make_consuming_repo(tempdir_factory, 'script_hooks_repo') with cwd(path): assert not install(C.CONFIG_FILE, store, hook_types=['pre-commit']) # simulate deleting the virtualenv by rewriting the exe hook = os.path.join(path, '.git/hooks/pre-commit') with open(hook) as f: src = f.read() src = re.sub( '\nINSTALL_PYTHON =.*\n', '\nINSTALL_PYTHON = "/dne"\n', src, ) with open(hook, 'w') as f: f.write(src) # Use a specific homedir to ignore --user installs homedir = tempdir_factory.get() ret, out = git_commit( 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 out == ( '`pre-commit` not found. ' 'Did you forget to activate your virtualenv?\n' ) FAILING_PRE_COMMIT_RUN = re.compile( r'^\[INFO\] Initializing environment for .+\.\n' r'Failing hook\.+Failed\n' r'- hook id: failing_hook\n' r'- exit code: 1\n' r'\n' r'Fail\n' r'foo\n' 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, hook_types=['pre-commit']) == 0 ret, output = _get_commit_output(tempdir_factory) assert ret == 1 assert FAILING_PRE_COMMIT_RUN.match(output) EXISTING_COMMIT_RUN = re.compile( fr'^legacy hook\n' fr'\[master [a-f0-9]{{7}}\] commit!\n' fr'{FILES_CHANGED}' fr' create mode 100644 baz\n$', ) def _write_legacy_hook(path): os.makedirs(os.path.join(path, '.git/hooks'), exist_ok=True) with open(os.path.join(path, '.git/hooks/pre-commit'), 'w') as f: f.write(f'{shebang()}\nprint("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, hook_types=['pre-commit']) == 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_legacy_overwriting_legacy_hook(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, hook_types=['pre-commit']) == 0 _write_legacy_hook(path) # this previously crashed on windows. See #1010 assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 0 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, hook_types=['pre-commit']) == 0 assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 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!\n' r'\[INFO\] Initializing environment for .+\.\n' r'Bash hook\.+Passed\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 os.makedirs(os.path.join(path, '.git/hooks'), exist_ok=True) with 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, hook_types=['pre-commit']) == 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 not install( C.CONFIG_FILE, store, hook_types=['pre-commit'], overwrite=True, ) 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 not install( C.CONFIG_FILE, store, hook_types=['pre-commit'], overwrite=True, ) 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, hook_types=['pre-commit']) == 0 assert uninstall(hook_types=['pre-commit']) == 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], ) os.makedirs(os.path.join(path, '.git/hooks'), exist_ok=True) with 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, hook_types=['pre-commit']) == 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(hook_types=['pre-commit']) == 0 assert pre_commit.exists() PRE_INSTALLED = re.compile( fr'Bash hook\.+Passed\n' fr'\[master [a-f0-9]{{7}}\] commit!\n' fr'{FILES_CHANGED}' fr' create mode 100644 foo\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, hook_types=['pre-commit'], 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, hook_types=['pre-commit']) 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, hook_types=['pre-commit']) # 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, remote='origin', opts=()): return cmd_output_mocked_pre_commit_home( 'git', 'push', remote, 'HEAD:new_branch', *opts, 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_types=['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 'hook id: 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_types=['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_types=['pre-push']) assert _get_commit_output(tempdir_factory, 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_types=['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_environment_variables(tempdir_factory, store): config = { 'repo': 'local', 'hooks': [ { 'id': 'print-remote-info', 'name': 'print remote info', 'entry': 'bash -c "echo remote: $PRE_COMMIT_REMOTE_NAME"', 'language': 'system', 'verbose': True, }, ], } upstream = git_dir(tempdir_factory) clone = tempdir_factory.get() cmd_output('git', 'clone', upstream, clone) add_config_to_repo(clone, config) with cwd(clone): install(C.CONFIG_FILE, store, hook_types=['pre-push']) cmd_output('git', 'remote', 'rename', 'origin', 'origin2') retc, output = _get_push_output(tempdir_factory, remote='origin2') assert retc == 0 assert '\nremote: origin2\n' in output def test_pre_push_integration_empty_push(tempdir_factory, store): upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo') path = tempdir_factory.get() cmd_output('git', 'clone', upstream, path) with cwd(path): install(C.CONFIG_FILE, store, hook_types=['pre-push']) _get_push_output(tempdir_factory) retc, output = _get_push_output(tempdir_factory) assert output == 'Everything up-to-date\n' assert retc == 0 def test_pre_push_legacy(tempdir_factory, store): upstream = make_consuming_repo(tempdir_factory, 'script_hooks_repo') path = tempdir_factory.get() cmd_output('git', 'clone', upstream, path) with cwd(path): os.makedirs(os.path.join(path, '.git/hooks'), exist_ok=True) with open(os.path.join(path, '.git/hooks/pre-push'), 'w') as f: f.write( '#!/usr/bin/env bash\n' 'set -eu\n' 'read lr ls rr rs\n' 'test -n "$lr" -a -n "$ls" -a -n "$rr" -a -n "$rs"\n' 'echo legacy\n', ) make_executable(f.name) install(C.CONFIG_FILE, store, hook_types=['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_types=['commit-msg']) retc, out = _get_commit_output(tempdir_factory) assert retc == 1 assert out == '''\ Must have "Signed off by:"...............................................Failed - hook id: must-have-signoff - exit code: 1 ''' def test_commit_msg_integration_passing( commit_msg_repo, tempdir_factory, store, ): install(C.CONFIG_FILE, store, hook_types=['commit-msg']) msg = 'Hi\nSigned off by: me, lol' retc, out = _get_commit_output(tempdir_factory, 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') os.makedirs(os.path.dirname(hook_path), exist_ok=True) with 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_types=['commit-msg']) msg = 'Hi\nSigned off by: asottile' retc, out = _get_commit_output(tempdir_factory, 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_post_commit_integration(tempdir_factory, store): path = git_dir(tempdir_factory) config = [ { 'repo': 'local', 'hooks': [{ 'id': 'post-commit', 'name': 'Post commit', 'entry': 'touch post-commit.tmp', 'language': 'system', 'always_run': True, 'verbose': True, 'stages': ['post-commit'], }], }, ] write_config(path, config) with cwd(path): _get_commit_output(tempdir_factory) assert not os.path.exists('post-commit.tmp') install(C.CONFIG_FILE, store, hook_types=['post-commit']) _get_commit_output(tempdir_factory) assert os.path.exists('post-commit.tmp') def test_post_checkout_integration(tempdir_factory, store): path = git_dir(tempdir_factory) config = [ { 'repo': 'local', 'hooks': [{ 'id': 'post-checkout', 'name': 'Post checkout', 'entry': 'bash -c "echo ${PRE_COMMIT_TO_REF}"', 'language': 'system', 'always_run': True, 'verbose': True, 'stages': ['post-checkout'], }], }, {'repo': 'meta', 'hooks': [{'id': 'identity'}]}, ] write_config(path, config) with cwd(path): cmd_output('git', 'add', '.') git_commit() # add a file only on `feature`, it should not be passed to hooks cmd_output('git', 'checkout', '-b', 'feature') open('some_file', 'a').close() cmd_output('git', 'add', '.') git_commit() cmd_output('git', 'checkout', 'master') install(C.CONFIG_FILE, store, hook_types=['post-checkout']) retc, _, stderr = cmd_output('git', 'checkout', 'feature') assert stderr is not None assert retc == 0 assert git.head_rev(path) in stderr assert 'some_file' not in stderr def test_skips_post_checkout_unstaged_changes(tempdir_factory, store): path = git_dir(tempdir_factory) config = { 'repo': 'local', 'hooks': [{ 'id': 'fail', 'name': 'fail', 'entry': 'fail', 'language': 'fail', 'always_run': True, 'stages': ['post-checkout'], }], } write_config(path, config) with cwd(path): cmd_output('git', 'add', '.') _get_commit_output(tempdir_factory) install(C.CONFIG_FILE, store, hook_types=['pre-commit']) install(C.CONFIG_FILE, store, hook_types=['post-checkout']) # make an unstaged change so staged_files_only fires open('file', 'a').close() cmd_output('git', 'add', 'file') with open('file', 'w') as f: f.write('unstaged changes') retc, out = _get_commit_output(tempdir_factory, all_files=False) assert retc == 0 def test_prepare_commit_msg_integration_failing( failing_prepare_commit_msg_repo, tempdir_factory, store, ): install(C.CONFIG_FILE, store, hook_types=['prepare-commit-msg']) retc, out = _get_commit_output(tempdir_factory) assert retc == 1 assert out == '''\ Add "Signed off by:".....................................................Failed - hook id: add-signoff - exit code: 1 ''' def test_prepare_commit_msg_integration_passing( prepare_commit_msg_repo, tempdir_factory, store, ): install(C.CONFIG_FILE, store, hook_types=['prepare-commit-msg']) retc, out = _get_commit_output(tempdir_factory, msg='Hi') assert retc == 0 first_line = out.splitlines()[0] assert first_line.startswith('Add "Signed off by:"...') assert first_line.endswith('...Passed') commit_msg_path = os.path.join( prepare_commit_msg_repo, '.git/COMMIT_EDITMSG', ) with open(commit_msg_path) as f: assert 'Signed off by: ' in f.read() def test_prepare_commit_msg_legacy( prepare_commit_msg_repo, tempdir_factory, store, ): hook_path = os.path.join( prepare_commit_msg_repo, '.git/hooks/prepare-commit-msg', ) os.makedirs(os.path.dirname(hook_path), exist_ok=True) with 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_types=['prepare-commit-msg']) retc, out = _get_commit_output(tempdir_factory, msg='Hi') assert retc == 0 first_line, second_line = out.splitlines()[:2] assert first_line == 'legacy' assert second_line.startswith('Add "Signed off by:"...') commit_msg_path = os.path.join( prepare_commit_msg_repo, '.git/COMMIT_EDITMSG', ) with open(commit_msg_path) as f: assert 'Signed off by: ' in f.read() def test_pre_merge_commit_integration(tempdir_factory, store): expected = re.compile( r'^\[INFO\] Initializing environment for .+\n' r'Bash hook\.+Passed\n' r"Merge made by the 'recursive' strategy.\n" r' foo \| 0\n' r' 1 file changed, 0 insertions\(\+\), 0 deletions\(-\)\n' r' create mode 100644 foo\n$', ) path = make_consuming_repo(tempdir_factory, 'script_hooks_repo') with cwd(path): ret = install(C.CONFIG_FILE, store, hook_types=['pre-merge-commit']) assert ret == 0 cmd_output('git', 'checkout', 'master', '-b', 'feature') _get_commit_output(tempdir_factory) cmd_output('git', 'checkout', 'master') ret, output, _ = cmd_output_mocked_pre_commit_home( 'git', 'merge', '--no-ff', '--no-edit', 'feature', tempdir_factory=tempdir_factory, ) assert ret == 0 assert expected.match(output) def test_install_disallow_missing_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, hook_types=['pre-commit'], overwrite=True, skip_on_missing_config=False, ) assert ret == 0 ret, output = _get_commit_output(tempdir_factory) assert ret == 1 def test_install_allow_missing_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, hook_types=['pre-commit'], overwrite=True, skip_on_missing_config=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, hook_types=['pre-commit'], overwrite=True, skip_on_missing_config=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