Adding upstream version 2.2.0.upstream/2.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 902 insertions, 0 deletions

diff --git a/tests/repository_test.py b/tests/repository_test.py
new file mode 100644
index 0000000..df7e7d1
--- /dev/null
+++ b/tests/repository_test.py
@@ -0,0 +1,902 @@
+import os.path
+import re
+import shutil
+import sys
+from typing import Any
+from typing import Dict
+from unittest import mock
+
+import cfgv
+import pytest
+
+import pre_commit.constants as C
+from pre_commit.clientlib import CONFIG_SCHEMA
+from pre_commit.clientlib import load_manifest
+from pre_commit.envcontext import envcontext
+from pre_commit.hook import Hook
+from pre_commit.languages import golang
+from pre_commit.languages import helpers
+from pre_commit.languages import node
+from pre_commit.languages import python
+from pre_commit.languages import ruby
+from pre_commit.languages import rust
+from pre_commit.languages.all import languages
+from pre_commit.prefix import Prefix
+from pre_commit.repository import all_hooks
+from pre_commit.repository import install_hook_envs
+from pre_commit.util import cmd_output
+from pre_commit.util import cmd_output_b
+from testing.fixtures import make_config_from_repo
+from testing.fixtures import make_repo
+from testing.fixtures import modify_manifest
+from testing.util import cwd
+from testing.util import get_resource_path
+from testing.util import skipif_cant_run_docker
+from testing.util import skipif_cant_run_swift
+from testing.util import xfailif_no_venv
+from testing.util import xfailif_windows_no_ruby
+
+
+def _norm_out(b):
+    return b.replace(b'\r\n', b'\n')
+
+
+def _hook_run(hook, filenames, color):
+    return languages[hook.language].run_hook(hook, filenames, color)
+
+
+def _get_hook_no_install(repo_config, store, hook_id):
+    config = {'repos': [repo_config]}
+    config = cfgv.validate(config, CONFIG_SCHEMA)
+    config = cfgv.apply_defaults(config, CONFIG_SCHEMA)
+    hooks = all_hooks(config, store)
+    hook, = [hook for hook in hooks if hook.id == hook_id]
+    return hook
+
+
+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 _test_hook_repo(
+        tempdir_factory,
+        store,
+        repo_path,
+        hook_id,
+        args,
+        expected,
+        expected_return_code=0,
+        config_kwargs=None,
+        color=False,
+):
+    path = make_repo(tempdir_factory, repo_path)
+    config = make_config_from_repo(path, **(config_kwargs or {}))
+    hook = _get_hook(config, store, hook_id)
+    ret, out = _hook_run(hook, args, color=color)
+    assert ret == expected_return_code
+    assert _norm_out(out) == expected
+
+
+def test_conda_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'conda_hooks_repo',
+        'sys-exec', [os.devnull],
+        b'conda-default\n',
+    )
+
+
+def test_conda_with_additional_dependencies_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'conda_hooks_repo',
+        'additional-deps', [os.devnull],
+        b'OK\n',
+        config_kwargs={
+            'hooks': [{
+                'id': 'additional-deps',
+                'args': ['-c', 'import mccabe; print("OK")'],
+                'additional_dependencies': ['mccabe'],
+            }],
+        },
+    )
+
+
+def test_local_conda_additional_dependencies(store):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'local-conda',
+            'name': 'local-conda',
+            'entry': 'python',
+            'language': 'conda',
+            'args': ['-c', 'import mccabe; print("OK")'],
+            'additional_dependencies': ['mccabe'],
+        }],
+    }
+    hook = _get_hook(config, store, 'local-conda')
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+    assert _norm_out(out) == b'OK\n'
+
+
+def test_python_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'python_hooks_repo',
+        'foo', [os.devnull],
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
+    )
+
+
+def test_python_hook_default_version(tempdir_factory, store):
+    # make sure that this continues to work for platforms where default
+    # language detection does not work
+    with mock.patch.object(
+            python, 'get_default_version', return_value=C.DEFAULT,
+    ):
+        test_python_hook(tempdir_factory, store)
+
+
+def test_python_hook_args_with_spaces(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'python_hooks_repo',
+        'foo',
+        [],
+        b"['i have spaces', 'and\"\\'quotes', '$and !this']\n"
+        b'Hello World\n',
+        config_kwargs={
+            'hooks': [{
+                'id': 'foo',
+                'args': ['i have spaces', 'and"\'quotes', '$and !this'],
+            }],
+        },
+    )
+
+
+def test_python_hook_weird_setup_cfg(in_git_dir, tempdir_factory, store):
+    in_git_dir.join('setup.cfg').write('[install]\ninstall_scripts=/usr/sbin')
+
+    _test_hook_repo(
+        tempdir_factory, store, 'python_hooks_repo',
+        'foo', [os.devnull],
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
+    )
+
+
+@xfailif_no_venv
+def test_python_venv(tempdir_factory, store):  # pragma: no cover (no venv)
+    _test_hook_repo(
+        tempdir_factory, store, 'python_venv_hooks_repo',
+        'foo', [os.devnull],
+        f'[{os.devnull!r}]\nHello World\n'.encode(),
+    )
+
+
+def test_switch_language_versions_doesnt_clobber(tempdir_factory, store):
+    # We're using the python3 repo because it prints the python version
+    path = make_repo(tempdir_factory, 'python3_hooks_repo')
+
+    def run_on_version(version, expected_output):
+        config = make_config_from_repo(path)
+        config['hooks'][0]['language_version'] = version
+        hook = _get_hook(config, store, 'python3-hook')
+        ret, out = _hook_run(hook, [], color=False)
+        assert ret == 0
+        assert _norm_out(out) == expected_output
+
+    run_on_version('python2', b'2\n[]\nHello World\n')
+    run_on_version('python3', b'3\n[]\nHello World\n')
+
+
+def test_versioned_python_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'python3_hooks_repo',
+        'python3-hook',
+        [os.devnull],
+        f'3\n[{os.devnull!r}]\nHello World\n'.encode(),
+    )
+
+
+@skipif_cant_run_docker  # pragma: win32 no cover
+def test_run_a_docker_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'docker_hooks_repo',
+        'docker-hook',
+        ['Hello World from docker'], b'Hello World from docker\n',
+    )
+
+
+@skipif_cant_run_docker  # pragma: win32 no cover
+def test_run_a_docker_hook_with_entry_args(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'docker_hooks_repo',
+        'docker-hook-arg',
+        ['Hello World from docker'], b'Hello World from docker',
+    )
+
+
+@skipif_cant_run_docker  # pragma: win32 no cover
+def test_run_a_failing_docker_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'docker_hooks_repo',
+        'docker-hook-failing',
+        ['Hello World from docker'],
+        mock.ANY,  # an error message about `bork` not existing
+        expected_return_code=127,
+    )
+
+
+@skipif_cant_run_docker  # pragma: win32 no cover
+@pytest.mark.parametrize('hook_id', ('echo-entrypoint', 'echo-cmd'))
+def test_run_a_docker_image_hook(tempdir_factory, store, hook_id):
+    _test_hook_repo(
+        tempdir_factory, store, 'docker_image_hooks_repo',
+        hook_id,
+        ['Hello World from docker'], b'Hello World from docker\n',
+    )
+
+
+def test_run_a_node_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'node_hooks_repo',
+        'foo', [os.devnull], b'Hello World\n',
+    )
+
+
+def test_run_versioned_node_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'node_versioned_hooks_repo',
+        'versioned-node-hook', [os.devnull], b'v9.3.0\nHello World\n',
+    )
+
+
+@xfailif_windows_no_ruby
+def test_run_a_ruby_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'ruby_hooks_repo',
+        'ruby_hook', [os.devnull], b'Hello world from a ruby hook\n',
+    )
+
+
+@xfailif_windows_no_ruby
+def test_run_versioned_ruby_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'ruby_versioned_hooks_repo',
+        'ruby_hook',
+        [os.devnull],
+        b'2.5.1\nHello world from a ruby hook\n',
+    )
+
+
+@xfailif_windows_no_ruby
+def test_run_ruby_hook_with_disable_shared_gems(
+        tempdir_factory,
+        store,
+        tmpdir,
+):
+    """Make sure a Gemfile in the project doesn't interfere."""
+    tmpdir.join('Gemfile').write('gem "lol_hai"')
+    tmpdir.join('.bundle').mkdir()
+    tmpdir.join('.bundle', 'config').write(
+        'BUNDLE_DISABLE_SHARED_GEMS: true\n'
+        'BUNDLE_PATH: vendor/gem\n',
+    )
+    with cwd(tmpdir.strpath):
+        _test_hook_repo(
+            tempdir_factory, store, 'ruby_versioned_hooks_repo',
+            'ruby_hook',
+            [os.devnull],
+            b'2.5.1\nHello world from a ruby hook\n',
+        )
+
+
+def test_system_hook_with_spaces(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'system_hook_with_spaces_repo',
+        'system-hook-with-spaces', [os.devnull], b'Hello World\n',
+    )
+
+
+@skipif_cant_run_swift  # pragma: win32 no cover
+def test_swift_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'swift_hooks_repo',
+        'swift-hooks-repo', [], b'Hello, world!\n',
+    )
+
+
+def test_golang_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'golang_hooks_repo',
+        'golang-hook', [], b'hello world\n',
+    )
+
+
+def test_golang_hook_still_works_when_gobin_is_set(tempdir_factory, store):
+    gobin_dir = tempdir_factory.get()
+    with envcontext((('GOBIN', gobin_dir),)):
+        test_golang_hook(tempdir_factory, store)
+    assert os.listdir(gobin_dir) == []
+
+
+def test_rust_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'rust_hooks_repo',
+        'rust-hook', [], b'hello world\n',
+    )
+
+
+@pytest.mark.parametrize('dep', ('cli:shellharden:3.1.0', 'cli:shellharden'))
+def test_additional_rust_cli_dependencies_installed(
+        tempdir_factory, store, dep,
+):
+    path = make_repo(tempdir_factory, 'rust_hooks_repo')
+    config = make_config_from_repo(path)
+    # A small rust package with no dependencies.
+    config['hooks'][0]['additional_dependencies'] = [dep]
+    hook = _get_hook(config, store, 'rust-hook')
+    binaries = os.listdir(
+        hook.prefix.path(
+            helpers.environment_dir(rust.ENVIRONMENT_DIR, C.DEFAULT), 'bin',
+        ),
+    )
+    # normalize for windows
+    binaries = [os.path.splitext(binary)[0] for binary in binaries]
+    assert 'shellharden' in binaries
+
+
+def test_additional_rust_lib_dependencies_installed(
+        tempdir_factory, store,
+):
+    path = make_repo(tempdir_factory, 'rust_hooks_repo')
+    config = make_config_from_repo(path)
+    # A small rust package with no dependencies.
+    deps = ['shellharden:3.1.0']
+    config['hooks'][0]['additional_dependencies'] = deps
+    hook = _get_hook(config, store, 'rust-hook')
+    binaries = os.listdir(
+        hook.prefix.path(
+            helpers.environment_dir(rust.ENVIRONMENT_DIR, C.DEFAULT), 'bin',
+        ),
+    )
+    # normalize for windows
+    binaries = [os.path.splitext(binary)[0] for binary in binaries]
+    assert 'rust-hello-world' in binaries
+    assert 'shellharden' not in binaries
+
+
+def test_missing_executable(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'not_found_exe',
+        'not-found-exe', [os.devnull],
+        b'Executable `i-dont-exist-lol` not found',
+        expected_return_code=1,
+    )
+
+
+def test_run_a_script_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'script_hooks_repo',
+        'bash_hook', ['bar'], b'bar\nHello World\n',
+    )
+
+
+def test_run_hook_with_spaced_args(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'arg_per_line_hooks_repo',
+        'arg-per-line',
+        ['foo bar', 'baz'],
+        b'arg: hello\narg: world\narg: foo bar\narg: baz\n',
+    )
+
+
+def test_run_hook_with_curly_braced_arguments(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'arg_per_line_hooks_repo',
+        'arg-per-line',
+        [],
+        b"arg: hi {1}\narg: I'm {a} problem\n",
+        config_kwargs={
+            'hooks': [{
+                'id': 'arg-per-line',
+                'args': ['hi {1}', "I'm {a} problem"],
+            }],
+        },
+    )
+
+
+def test_intermixed_stdout_stderr(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'stdout_stderr_repo',
+        'stdout-stderr',
+        [],
+        b'0\n1\n2\n3\n4\n5\n',
+    )
+
+
+@pytest.mark.xfail(os.name == 'nt', reason='ptys are posix-only')
+def test_output_isatty(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'stdout_stderr_repo',
+        'tty-check',
+        [],
+        b'stdin: False\nstdout: True\nstderr: True\n',
+        color=True,
+    )
+
+
+def _make_grep_repo(entry, store, args=()):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'grep-hook',
+            'name': 'grep-hook',
+            'language': 'pygrep',
+            'entry': entry,
+            'args': args,
+            'types': ['text'],
+        }],
+    }
+    return _get_hook(config, store, 'grep-hook')
+
+
+@pytest.fixture
+def greppable_files(tmpdir):
+    with tmpdir.as_cwd():
+        cmd_output_b('git', 'init', '.')
+        tmpdir.join('f1').write_binary(b"hello'hi\nworld\n")
+        tmpdir.join('f2').write_binary(b'foo\nbar\nbaz\n')
+        tmpdir.join('f3').write_binary(b'[WARN] hi\n')
+        yield tmpdir
+
+
+def test_grep_hook_matching(greppable_files, store):
+    hook = _make_grep_repo('ello', store)
+    ret, out = _hook_run(hook, ('f1', 'f2', 'f3'), color=False)
+    assert ret == 1
+    assert _norm_out(out) == b"f1:1:hello'hi\n"
+
+
+def test_grep_hook_case_insensitive(greppable_files, store):
+    hook = _make_grep_repo('ELLO', store, args=['-i'])
+    ret, out = _hook_run(hook, ('f1', 'f2', 'f3'), color=False)
+    assert ret == 1
+    assert _norm_out(out) == b"f1:1:hello'hi\n"
+
+
+@pytest.mark.parametrize('regex', ('nope', "foo'bar", r'^\[INFO\]'))
+def test_grep_hook_not_matching(regex, greppable_files, store):
+    hook = _make_grep_repo(regex, store)
+    ret, out = _hook_run(hook, ('f1', 'f2', 'f3'), color=False)
+    assert (ret, out) == (0, b'')
+
+
+def _norm_pwd(path):
+    # Under windows bash's temp and windows temp is different.
+    # This normalizes to the bash /tmp
+    return cmd_output_b(
+        'bash', '-c', f"cd '{path}' && pwd",
+    )[1].strip()
+
+
+def test_cwd_of_hook(in_git_dir, tempdir_factory, store):
+    # Note: this doubles as a test for `system` hooks
+    _test_hook_repo(
+        tempdir_factory, store, 'prints_cwd_repo',
+        'prints_cwd', ['-L'], _norm_pwd(in_git_dir.strpath) + b'\n',
+    )
+
+
+def test_lots_of_files(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'script_hooks_repo',
+        'bash_hook', [os.devnull] * 15000, mock.ANY,
+    )
+
+
+def test_additional_dependencies_roll_forward(tempdir_factory, store):
+    path = make_repo(tempdir_factory, 'python_hooks_repo')
+
+    config1 = make_config_from_repo(path)
+    hook1 = _get_hook(config1, store, 'foo')
+    with python.in_env(hook1.prefix, hook1.language_version):
+        assert 'mccabe' not in cmd_output('pip', 'freeze', '-l')[1]
+
+    # Make another repo with additional dependencies
+    config2 = make_config_from_repo(path)
+    config2['hooks'][0]['additional_dependencies'] = ['mccabe']
+    hook2 = _get_hook(config2, store, 'foo')
+    with python.in_env(hook2.prefix, hook2.language_version):
+        assert 'mccabe' in cmd_output('pip', 'freeze', '-l')[1]
+
+    # should not have affected original
+    with python.in_env(hook1.prefix, hook1.language_version):
+        assert 'mccabe' not in cmd_output('pip', 'freeze', '-l')[1]
+
+
+@xfailif_windows_no_ruby  # pragma: win32 no cover
+def test_additional_ruby_dependencies_installed(tempdir_factory, store):
+    path = make_repo(tempdir_factory, 'ruby_hooks_repo')
+    config = make_config_from_repo(path)
+    config['hooks'][0]['additional_dependencies'] = ['tins']
+    hook = _get_hook(config, store, 'ruby_hook')
+    with ruby.in_env(hook.prefix, hook.language_version):
+        output = cmd_output('gem', 'list', '--local')[1]
+        assert 'tins' in output
+
+
+def test_additional_node_dependencies_installed(tempdir_factory, store):
+    path = make_repo(tempdir_factory, 'node_hooks_repo')
+    config = make_config_from_repo(path)
+    # Careful to choose a small package that's not depped by npm
+    config['hooks'][0]['additional_dependencies'] = ['lodash']
+    hook = _get_hook(config, store, 'foo')
+    with node.in_env(hook.prefix, hook.language_version):
+        output = cmd_output('npm', 'ls', '-g')[1]
+        assert 'lodash' in output
+
+
+def test_additional_golang_dependencies_installed(
+        tempdir_factory, store,
+):
+    path = make_repo(tempdir_factory, 'golang_hooks_repo')
+    config = make_config_from_repo(path)
+    # A small go package
+    deps = ['github.com/golang/example/hello']
+    config['hooks'][0]['additional_dependencies'] = deps
+    hook = _get_hook(config, store, 'golang-hook')
+    binaries = os.listdir(
+        hook.prefix.path(
+            helpers.environment_dir(golang.ENVIRONMENT_DIR, C.DEFAULT), 'bin',
+        ),
+    )
+    # normalize for windows
+    binaries = [os.path.splitext(binary)[0] for binary in binaries]
+    assert 'hello' in binaries
+
+
+def test_local_golang_additional_dependencies(store):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'hello',
+            'name': 'hello',
+            'entry': 'hello',
+            'language': 'golang',
+            'additional_dependencies': ['github.com/golang/example/hello'],
+        }],
+    }
+    hook = _get_hook(config, store, 'hello')
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+    assert _norm_out(out) == b'Hello, Go examples!\n'
+
+
+def test_local_rust_additional_dependencies(store):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'hello',
+            'name': 'hello',
+            'entry': 'hello',
+            'language': 'rust',
+            'additional_dependencies': ['cli:hello-cli:0.2.2'],
+        }],
+    }
+    hook = _get_hook(config, store, 'hello')
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+    assert _norm_out(out) == b'Hello World!\n'
+
+
+def test_fail_hooks(store):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'fail',
+            'name': 'fail',
+            'language': 'fail',
+            'entry': 'make sure to name changelogs as .rst!',
+            'files': r'changelog/.*(?<!\.rst)$',
+        }],
+    }
+    hook = _get_hook(config, store, 'fail')
+    ret, out = _hook_run(
+        hook, ('changelog/123.bugfix', 'changelog/wat'), color=False,
+    )
+    assert ret == 1
+    assert out == (
+        b'make sure to name changelogs as .rst!\n'
+        b'\n'
+        b'changelog/123.bugfix\n'
+        b'changelog/wat\n'
+    )
+
+
+def test_unknown_keys(store, fake_log_handler):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'too-much',
+            'name': 'too much',
+            'hello': 'world',
+            'foo': 'bar',
+            'language': 'system',
+            'entry': 'true',
+        }],
+    }
+    _get_hook(config, store, 'too-much')
+    expected = 'Unexpected key(s) present on local => too-much: foo, hello'
+    assert fake_log_handler.handle.call_args[0][0].msg == expected
+
+
+def test_reinstall(tempdir_factory, store, log_info_mock):
+    path = make_repo(tempdir_factory, 'python_hooks_repo')
+    config = make_config_from_repo(path)
+    _get_hook(config, store, 'foo')
+    # We print some logging during clone (1) + install (3)
+    assert log_info_mock.call_count == 4
+    log_info_mock.reset_mock()
+    # Reinstall on another run should not trigger another install
+    _get_hook(config, store, 'foo')
+    assert log_info_mock.call_count == 0
+
+
+def test_control_c_control_c_on_install(tempdir_factory, store):
+    """Regression test for #186."""
+    path = make_repo(tempdir_factory, 'python_hooks_repo')
+    config = make_config_from_repo(path)
+    hooks = [_get_hook_no_install(config, store, 'foo')]
+
+    class MyKeyboardInterrupt(KeyboardInterrupt):
+        pass
+
+    # To simulate a killed install, we'll make PythonEnv.run raise ^C
+    # and then to simulate a second ^C during cleanup, we'll make shutil.rmtree
+    # raise as well.
+    with pytest.raises(MyKeyboardInterrupt):
+        with mock.patch.object(
+            helpers, 'run_setup_cmd', side_effect=MyKeyboardInterrupt,
+        ):
+            with mock.patch.object(
+                shutil, 'rmtree', side_effect=MyKeyboardInterrupt,
+            ):
+                install_hook_envs(hooks, store)
+
+    # Should have made an environment, however this environment is broken!
+    hook, = hooks
+    assert hook.prefix.exists(
+        helpers.environment_dir(python.ENVIRONMENT_DIR, hook.language_version),
+    )
+
+    # However, it should be perfectly runnable (reinstall after botched
+    # install)
+    install_hook_envs(hooks, store)
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+
+
+def test_invalidated_virtualenv(tempdir_factory, store):
+    # A cached virtualenv may become invalidated if the system python upgrades
+    # This should not cause every hook in that virtualenv to fail.
+    path = make_repo(tempdir_factory, 'python_hooks_repo')
+    config = make_config_from_repo(path)
+    hook = _get_hook(config, store, 'foo')
+
+    # Simulate breaking of the virtualenv
+    libdir = hook.prefix.path(
+        helpers.environment_dir(python.ENVIRONMENT_DIR, hook.language_version),
+        'lib', hook.language_version,
+    )
+    paths = [
+        os.path.join(libdir, p) for p in ('site.py', 'site.pyc', '__pycache__')
+    ]
+    cmd_output_b('rm', '-rf', *paths)
+
+    # pre-commit should rebuild the virtualenv and it should be runnable
+    hook = _get_hook(config, store, 'foo')
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+
+
+def test_really_long_file_paths(tempdir_factory, store):
+    base_path = tempdir_factory.get()
+    really_long_path = os.path.join(base_path, 'really_long' * 10)
+    cmd_output_b('git', 'init', really_long_path)
+
+    path = make_repo(tempdir_factory, 'python_hooks_repo')
+    config = make_config_from_repo(path)
+
+    with cwd(really_long_path):
+        _get_hook(config, store, 'foo')
+
+
+def test_config_overrides_repo_specifics(tempdir_factory, store):
+    path = make_repo(tempdir_factory, 'script_hooks_repo')
+    config = make_config_from_repo(path)
+
+    hook = _get_hook(config, store, 'bash_hook')
+    assert hook.files == ''
+    # Set the file regex to something else
+    config['hooks'][0]['files'] = '\\.sh$'
+    hook = _get_hook(config, store, 'bash_hook')
+    assert hook.files == '\\.sh$'
+
+
+def _create_repo_with_tags(tempdir_factory, src, tag):
+    path = make_repo(tempdir_factory, src)
+    cmd_output_b('git', 'tag', tag, cwd=path)
+    return path
+
+
+def test_tags_on_repositories(in_tmpdir, tempdir_factory, store):
+    tag = 'v1.1'
+    git1 = _create_repo_with_tags(tempdir_factory, 'prints_cwd_repo', tag)
+    git2 = _create_repo_with_tags(tempdir_factory, 'script_hooks_repo', tag)
+
+    config1 = make_config_from_repo(git1, rev=tag)
+    hook1 = _get_hook(config1, store, 'prints_cwd')
+    ret1, out1 = _hook_run(hook1, ('-L',), color=False)
+    assert ret1 == 0
+    assert out1.strip() == _norm_pwd(in_tmpdir)
+
+    config2 = make_config_from_repo(git2, rev=tag)
+    hook2 = _get_hook(config2, store, 'bash_hook')
+    ret2, out2 = _hook_run(hook2, ('bar',), color=False)
+    assert ret2 == 0
+    assert out2 == b'bar\nHello World\n'
+
+
+@pytest.fixture
+def local_python_config():
+    # Make a "local" hooks repo that just installs our other hooks repo
+    repo_path = get_resource_path('python_hooks_repo')
+    manifest = load_manifest(os.path.join(repo_path, C.MANIFEST_FILE))
+    hooks = [
+        dict(hook, additional_dependencies=[repo_path]) for hook in manifest
+    ]
+    return {'repo': 'local', 'hooks': hooks}
+
+
+@pytest.mark.xfail(  # pragma: win32 no cover
+    sys.platform == 'win32',
+    reason='microsoft/azure-pipelines-image-generation#989',
+)
+def test_local_python_repo(store, local_python_config):
+    hook = _get_hook(local_python_config, store, 'foo')
+    # language_version should have been adjusted to the interpreter version
+    assert hook.language_version != C.DEFAULT
+    ret, out = _hook_run(hook, ('filename',), color=False)
+    assert ret == 0
+    assert _norm_out(out) == b"['filename']\nHello World\n"
+
+
+def test_default_language_version(store, local_python_config):
+    config: Dict[str, Any] = {
+        'default_language_version': {'python': 'fake'},
+        'default_stages': ['commit'],
+        'repos': [local_python_config],
+    }
+
+    # `language_version` was not set, should default
+    hook, = all_hooks(config, store)
+    assert hook.language_version == 'fake'
+
+    # `language_version` is set, should not default
+    config['repos'][0]['hooks'][0]['language_version'] = 'fake2'
+    hook, = all_hooks(config, store)
+    assert hook.language_version == 'fake2'
+
+
+def test_default_stages(store, local_python_config):
+    config: Dict[str, Any] = {
+        'default_language_version': {'python': C.DEFAULT},
+        'default_stages': ['commit'],
+        'repos': [local_python_config],
+    }
+
+    # `stages` was not set, should default
+    hook, = all_hooks(config, store)
+    assert hook.stages == ['commit']
+
+    # `stages` is set, should not default
+    config['repos'][0]['hooks'][0]['stages'] = ['push']
+    hook, = all_hooks(config, store)
+    assert hook.stages == ['push']
+
+
+def test_hook_id_not_present(tempdir_factory, store, fake_log_handler):
+    path = make_repo(tempdir_factory, 'script_hooks_repo')
+    config = make_config_from_repo(path)
+    config['hooks'][0]['id'] = 'i-dont-exist'
+    with pytest.raises(SystemExit):
+        _get_hook(config, store, 'i-dont-exist')
+    assert fake_log_handler.handle.call_args[0][0].msg == (
+        f'`i-dont-exist` is not present in repository file://{path}.  '
+        f'Typo? Perhaps it is introduced in a newer version?  '
+        f'Often `pre-commit autoupdate` fixes this.'
+    )
+
+
+def test_too_new_version(tempdir_factory, store, fake_log_handler):
+    path = make_repo(tempdir_factory, 'script_hooks_repo')
+    with modify_manifest(path) as manifest:
+        manifest[0]['minimum_pre_commit_version'] = '999.0.0'
+    config = make_config_from_repo(path)
+    with pytest.raises(SystemExit):
+        _get_hook(config, store, 'bash_hook')
+    msg = fake_log_handler.handle.call_args[0][0].msg
+    assert re.match(
+        r'^The hook `bash_hook` requires pre-commit version 999\.0\.0 but '
+        r'version \d+\.\d+\.\d+ is installed.  '
+        r'Perhaps run `pip install --upgrade pre-commit`\.$',
+        msg,
+    )
+
+
+@pytest.mark.parametrize('version', ('0.1.0', C.VERSION))
+def test_versions_ok(tempdir_factory, store, version):
+    path = make_repo(tempdir_factory, 'script_hooks_repo')
+    with modify_manifest(path) as manifest:
+        manifest[0]['minimum_pre_commit_version'] = version
+    config = make_config_from_repo(path)
+    # Should succeed
+    _get_hook(config, store, 'bash_hook')
+
+
+def test_manifest_hooks(tempdir_factory, store):
+    path = make_repo(tempdir_factory, 'script_hooks_repo')
+    config = make_config_from_repo(path)
+    hook = _get_hook(config, store, 'bash_hook')
+
+    assert hook == Hook(
+        src=f'file://{path}',
+        prefix=Prefix(mock.ANY),
+        additional_dependencies=[],
+        alias='',
+        always_run=False,
+        args=[],
+        description='',
+        entry='bin/hook.sh',
+        exclude='^$',
+        exclude_types=[],
+        files='',
+        id='bash_hook',
+        language='script',
+        language_version='default',
+        log_file='',
+        minimum_pre_commit_version='0',
+        name='Bash hook',
+        pass_filenames=True,
+        require_serial=False,
+        stages=(
+            'commit', 'merge-commit', 'prepare-commit-msg', 'commit-msg',
+            'manual', 'post-checkout', 'push',
+        ),
+        types=['file'],
+        verbose=False,
+    )
+
+
+def test_perl_hook(tempdir_factory, store):
+    _test_hook_repo(
+        tempdir_factory, store, 'perl_hooks_repo',
+        'perl-hook', [], b'Hello from perl-commit Perl!\n',
+    )
+
+
+def test_local_perl_additional_dependencies(store):
+    config = {
+        'repo': 'local',
+        'hooks': [{
+            'id': 'hello',
+            'name': 'hello',
+            'entry': 'perltidy --version',
+            'language': 'perl',
+            'additional_dependencies': ['SHANCOCK/Perl-Tidy-20200110.tar.gz'],
+        }],
+    }
+    hook = _get_hook(config, store, 'hello')
+    ret, out = _hook_run(hook, (), color=False)
+    assert ret == 0
+    assert _norm_out(out).startswith(b'This is perltidy, v20200110')