Merging upstream version 2.14.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/clientlib_test.py

@@ -427,7 +427,7 @@ def test_minimum_pre_commit_version_passing():
 @pytest.mark.parametrize('schema', (CONFIG_SCHEMA, CONFIG_REPO_DICT))
 def test_warn_additional(schema):
     allowed_keys = {item.key for item in schema.items if hasattr(item, 'key')}
-    warn_additional, = [
+    warn_additional, = (
         x for x in schema.items if isinstance(x, cfgv.WarnAdditionalKeys)
-    ]
+    )
     assert allowed_keys == set(warn_additional.keys)

tests/commands/install_uninstall_test.py

@@ -39,7 +39,7 @@ def test_is_script():
 
 def test_is_previous_pre_commit(tmpdir):
     f = tmpdir.join('foo')
-    f.write(f'{PRIOR_HASHES[0]}\n')
+    f.write(f'{PRIOR_HASHES[0].decode()}\n')
     assert is_our_script(f.strpath)
 
 
@@ -390,6 +390,19 @@ def test_install_existing_hook_no_overwrite_idempotent(tempdir_factory, store):
         NORMAL_PRE_COMMIT_RUN.assert_matches(output[len('legacy hook\n'):])
 
 
+def test_install_with_existing_non_utf8_script(tmpdir, store):
+    cmd_output('git', 'init', str(tmpdir))
+    tmpdir.join('.git/hooks').ensure_dir()
+    tmpdir.join('.git/hooks/pre-commit').write_binary(
+        b'#!/usr/bin/env bash\n'
+        b'# garbage: \xa0\xef\x12\xf2\n'
+        b'echo legacy hook\n',
+    )
+
+    with tmpdir.as_cwd():
+        assert install(C.CONFIG_FILE, store, hook_types=['pre-commit']) == 0
+
+
 FAIL_OLD_HOOK = re_assert.Matches(
     r'fail!\n'
     r'\[INFO\] Initializing environment for .+\.\n'
@@ -460,7 +473,7 @@ def test_replace_old_commit_script(tempdir_factory, store):
         # 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],
+            CURRENT_HASH.decode(), PRIOR_HASHES[-1].decode(),
         )
 
         os.makedirs(os.path.join(path, '.git/hooks'), exist_ok=True)

tests/commands/run_test.py

@@ -487,6 +487,7 @@ def test_all_push_options_ok(cap_out, store, repo_with_passing_hook):
     args = run_opts(
         from_ref='master', to_ref='master',
         remote_branch='master',
+        local_branch='master',
         remote_name='origin', remote_url='https://example.com/repo',
     )
     ret, printed = _do_run(cap_out, store, repo_with_passing_hook, args)

tests/languages/docker_test.py

@@ -8,6 +8,42 @@ from unittest import mock
 import pytest
 
 from pre_commit.languages import docker
+from pre_commit.util import CalledProcessError
+
+DOCKER_CGROUP_EXAMPLE = b'''\
+12:hugetlb:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+11:blkio:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+10:freezer:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+9:cpu,cpuacct:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+8:pids:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+7:rdma:/
+6:net_cls,net_prio:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+5:cpuset:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+4:devices:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+3:memory:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+2:perf_event:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+1:name=systemd:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
+0::/system.slice/containerd.service
+'''  # noqa: E501
+
+# The ID should match the above cgroup example.
+CONTAINER_ID = 'c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7'  # noqa: E501
+
+NON_DOCKER_CGROUP_EXAMPLE = b'''\
+12:perf_event:/
+11:hugetlb:/
+10:devices:/
+9:blkio:/
+8:rdma:/
+7:cpuset:/
+6:cpu,cpuacct:/
+5:freezer:/
+4:memory:/
+3:pids:/
+2:net_cls,net_prio:/
+1:name=systemd:/init.scope
+0::/init.scope
+'''
 
 
 def test_docker_fallback_user():
@@ -37,45 +73,25 @@ def _mock_open(data):
 
 
 def test_in_docker_docker_in_file():
-    docker_cgroup_example = b'''\
-12:hugetlb:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-11:blkio:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-10:freezer:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-9:cpu,cpuacct:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-8:pids:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-7:rdma:/
-6:net_cls,net_prio:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-5:cpuset:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-4:devices:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-3:memory:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-2:perf_event:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-1:name=systemd:/docker/c33988ec7651ebc867cb24755eaf637a6734088bc7eef59d5799293a9e5450f7
-0::/system.slice/containerd.service
-'''  # noqa: E501
-    with _mock_open(docker_cgroup_example):
+    with _mock_open(DOCKER_CGROUP_EXAMPLE):
         assert docker._is_in_docker() is True
 
 
 def test_in_docker_docker_not_in_file():
-    non_docker_cgroup_example = b'''\
-12:perf_event:/
-11:hugetlb:/
-10:devices:/
-9:blkio:/
-8:rdma:/
-7:cpuset:/
-6:cpu,cpuacct:/
-5:freezer:/
-4:memory:/
-3:pids:/
-2:net_cls,net_prio:/
-1:name=systemd:/init.scope
-0::/init.scope
-'''
-    with _mock_open(non_docker_cgroup_example):
+    with _mock_open(NON_DOCKER_CGROUP_EXAMPLE):
         assert docker._is_in_docker() is False
 
 
+def test_get_container_id():
+    with _mock_open(DOCKER_CGROUP_EXAMPLE):
+        assert docker._get_container_id() == CONTAINER_ID
+
+
+def test_get_container_id_failure():
+    with _mock_open(b''), pytest.raises(RuntimeError):
+        docker._get_container_id()
+
+
 def test_get_docker_path_not_in_docker_returns_same():
     with mock.patch.object(docker, '_is_in_docker', return_value=False):
         assert docker._get_docker_path('abc') == 'abc'
@@ -84,7 +100,10 @@ def test_get_docker_path_not_in_docker_returns_same():
 @pytest.fixture
 def in_docker():
     with mock.patch.object(docker, '_is_in_docker', return_value=True):
-        yield
+        with mock.patch.object(
+            docker, '_get_container_id', return_value=CONTAINER_ID,
+        ):
+            yield
 
 
 def _linux_commonpath():
@@ -153,3 +172,10 @@ def test_get_docker_path_in_docker_windows(in_docker):
         path = r'c:\folder\test\something'
         expected = r'c:\users\user\test\something'
         assert docker._get_docker_path(path) == expected
+
+
+def test_get_docker_path_in_docker_docker_in_docker(in_docker):
+    # won't be able to discover "self" container in true docker-in-docker
+    err = CalledProcessError(1, (), 0, b'', b'')
+    with mock.patch.object(docker, 'cmd_output_b', side_effect=err):
+        assert docker._get_docker_path('/project') == '/project'

tests/repository_test.py

@@ -51,7 +51,7 @@ def _get_hook_no_install(repo_config, store, hook_id):
     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]
+    hook, = (hook for hook in hooks if hook.id == hook_id)
     return hook