Merging upstream version 3.1.0.

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

32 files changed, 88 insertions, 317 deletions

diff --git a/testing/language_helpers.py b/testing/language_helpers.py
index b9c5384..ead8dae 100644
--- a/testing/language_helpers.py
+++ b/testing/language_helpers.py
@@ -3,7 +3,7 @@ from __future__ import annotations
 import os
 from typing import Sequence
 
-from pre_commit.languages.all import Language
+from pre_commit.lang_base import Language
 from pre_commit.prefix import Prefix
 
 
@@ -16,13 +16,16 @@ def run_language(
         version: str | None = None,
         deps: Sequence[str] = (),
         is_local: bool = False,
+        require_serial: bool = True,
+        color: bool = False,
 ) -> tuple[int, bytes]:
     prefix = Prefix(str(path))
     version = version or language.get_default_version()
 
-    language.install_environment(prefix, version, deps)
-    health_error = language.health_check(prefix, version)
-    assert health_error is None, health_error
+    if language.ENVIRONMENT_DIR is not None:
+        language.install_environment(prefix, version, deps)
+        health_error = language.health_check(prefix, version)
+        assert health_error is None, health_error
     with language.in_env(prefix, version):
         ret, out = language.run_hook(
             prefix,
@@ -30,8 +33,8 @@ def run_language(
             args,
             file_args,
             is_local=is_local,
-            require_serial=True,
-            color=False,
+            require_serial=require_serial,
+            color=color,
         )
         out = out.replace(b'\r\n', b'\n')
         return ret, out
diff --git a/testing/languages b/testing/languages
new file mode 100755
index 0000000..5e8fc9e
--- /dev/null
+++ b/testing/languages
@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import concurrent.futures
+import json
+import os.path
+import subprocess
+import sys
+
+EXCLUDED = frozenset((
+    ('windows-latest', 'docker'),
+    ('windows-latest', 'docker_image'),
+    ('windows-latest', 'lua'),
+    ('windows-latest', 'swift'),
+))
+
+
+def _lang_files(lang: str) -> frozenset[str]:
+    prog = f'''\
+import json
+import os.path
+import sys
+
+import pre_commit.languages.{lang}
+import tests.languages.{lang}_test
+
+modules = sorted(
+    os.path.relpath(v.__file__)
+    for k, v in sys.modules.items()
+    if k.startswith(('pre_commit.', 'tests.', 'testing.'))
+)
+print(json.dumps(modules))
+'''
+    out = json.loads(subprocess.check_output((sys.executable, '-c', prog)))
+    return frozenset(out)
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--all', action='store_true')
+    args = parser.parse_args()
+
+    langs = [
+        os.path.splitext(fname)[0]
+        for fname in sorted(os.listdir('pre_commit/languages'))
+        if fname.endswith('.py') and fname != '__init__.py'
+    ]
+
+    if not args.all:
+        with concurrent.futures.ThreadPoolExecutor(os.cpu_count()) as exe:
+            by_lang = {
+                lang: files
+                for lang, files in zip(langs, exe.map(_lang_files, langs))
+            }
+
+        diff_cmd = ('git', 'diff', '--name-only', 'origin/main...HEAD')
+        files = set(subprocess.check_output(diff_cmd).decode().splitlines())
+
+        langs = [
+            lang
+            for lang, lang_files in by_lang.items()
+            if lang_files & files
+        ]
+
+    matched = [
+        {'os': os, 'language': lang}
+        for os in ('windows-latest', 'ubuntu-latest')
+        for lang in langs
+        if (os, lang) not in EXCLUDED
+    ]
+
+    with open(os.environ['GITHUB_OUTPUT'], 'a') as f:
+        f.write(f'languages={json.dumps(matched)}\n')
+    return 0
+
+
+if __name__ == '__main__':
+    raise SystemExit(main())
diff --git a/testing/resources/docker_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/docker_hooks_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index 5295739..0000000
--- a/testing/resources/docker_hooks_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
--   id: docker-hook
-    name: Docker test hook
-    entry: echo
-    language: docker
-    files: \.txt$
-
--   id: docker-hook-arg
-    name: Docker test hook
-    entry: echo -n
-    language: docker
-    files: \.txt$
-
--   id: docker-hook-failing
-    name: Docker test hook with nonzero exit code
-    entry: bork
-    language: docker
-    files: \.txt$
diff --git a/testing/resources/docker_hooks_repo/Dockerfile b/testing/resources/docker_hooks_repo/Dockerfile
deleted file mode 100644
index 0bd1de0..0000000
--- a/testing/resources/docker_hooks_repo/Dockerfile
+++ /dev/null
@@ -1,3 +0,0 @@
-FROM ubuntu:focal
-
-CMD ["echo", "This is overwritten by the .pre-commit-hooks.yaml 'entry'"]
diff --git a/testing/resources/docker_image_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/docker_image_hooks_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index e9fb245..0000000
--- a/testing/resources/docker_image_hooks_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
--   id: echo-entrypoint
-    name: echo (via --entrypoint)
-    language: docker_image
-    entry: --entrypoint echo ubuntu:focal
--   id: echo-cmd
-    name: echo (via cmd)
-    language: docker_image
-    entry: ubuntu:focal echo
diff --git a/testing/resources/dotnet_hooks_combo_repo/.pre-commit-hooks.yaml b/testing/resources/dotnet_hooks_combo_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index f221854..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
--   id: dotnet-example-hook
-    name: Test Project 1
-    description: Test Project 1
-    entry: proj1
-    language: dotnet
-    stages: [commit]
--   id: proj2
-    name: Test Project 2
-    description: Test Project 2
-    entry: proj2
-    language: dotnet
-    stages: [commit]
diff --git a/testing/resources/dotnet_hooks_combo_repo/dotnet_hooks_combo_repo.sln b/testing/resources/dotnet_hooks_combo_repo/dotnet_hooks_combo_repo.sln
deleted file mode 100644
index edb0fcb..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/dotnet_hooks_combo_repo.sln
+++ /dev/null
@@ -1,28 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.30114.105
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "proj1", "proj1\proj1.csproj", "{38A939C3-DEA4-47D7-9B75-0418C4249662}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "proj2", "proj2\proj2.csproj", "{4C9916CB-165C-4EF5-8A57-4CB6794C1EBF}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug|Any CPU = Debug|Any CPU
-		Release|Any CPU = Release|Any CPU
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{38A939C3-DEA4-47D7-9B75-0418C4249662}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{38A939C3-DEA4-47D7-9B75-0418C4249662}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{38A939C3-DEA4-47D7-9B75-0418C4249662}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{38A939C3-DEA4-47D7-9B75-0418C4249662}.Release|Any CPU.Build.0 = Release|Any CPU
-		{4C9916CB-165C-4EF5-8A57-4CB6794C1EBF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{4C9916CB-165C-4EF5-8A57-4CB6794C1EBF}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{4C9916CB-165C-4EF5-8A57-4CB6794C1EBF}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{4C9916CB-165C-4EF5-8A57-4CB6794C1EBF}.Release|Any CPU.Build.0 = Release|Any CPU
-	EndGlobalSection
-EndGlobal
diff --git a/testing/resources/dotnet_hooks_combo_repo/proj1/Program.cs b/testing/resources/dotnet_hooks_combo_repo/proj1/Program.cs
deleted file mode 100644
index 03876f5..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/proj1/Program.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace proj1
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            Console.Write("Hello from dotnet!\n");
-        }
-    }
-}
diff --git a/testing/resources/dotnet_hooks_combo_repo/proj1/proj1.csproj b/testing/resources/dotnet_hooks_combo_repo/proj1/proj1.csproj
deleted file mode 100644
index 861ced6..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/proj1/proj1.csproj
+++ /dev/null
@@ -1,12 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6</TargetFramework>
-
-    <PackAsTool>true</PackAsTool>
-    <ToolCommandName>proj1</ToolCommandName>
-    <PackageOutputPath>./nupkg</PackageOutputPath>
-  </PropertyGroup>
-
-</Project>
diff --git a/testing/resources/dotnet_hooks_combo_repo/proj2/Program.cs b/testing/resources/dotnet_hooks_combo_repo/proj2/Program.cs
deleted file mode 100644
index 47a99a3..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/proj2/Program.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace proj2
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            Console.WriteLine("Hello World!");
-        }
-    }
-}
diff --git a/testing/resources/dotnet_hooks_combo_repo/proj2/proj2.csproj b/testing/resources/dotnet_hooks_combo_repo/proj2/proj2.csproj
deleted file mode 100644
index dfce2ca..0000000
--- a/testing/resources/dotnet_hooks_combo_repo/proj2/proj2.csproj
+++ /dev/null
@@ -1,12 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6</TargetFramework>
-
-    <PackAsTool>true</PackAsTool>
-    <ToolCommandName>proj2</ToolCommandName>
-    <PackageOutputPath>./nupkg</PackageOutputPath>
-  </PropertyGroup>
-
-</Project>
diff --git a/testing/resources/dotnet_hooks_csproj_prefix_repo/.gitignore b/testing/resources/dotnet_hooks_csproj_prefix_repo/.gitignore
deleted file mode 100644
index edcd28f..0000000
--- a/testing/resources/dotnet_hooks_csproj_prefix_repo/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-bin/
-obj/
-nupkg/
diff --git a/testing/resources/dotnet_hooks_csproj_prefix_repo/.pre-commit-hooks.yaml b/testing/resources/dotnet_hooks_csproj_prefix_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index 6626627..0000000
--- a/testing/resources/dotnet_hooks_csproj_prefix_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
--   id: dotnet-example-hook
-    name: dotnet example hook
-    entry: testeroni.tool
-    language: dotnet
-    files: ''
diff --git a/testing/resources/dotnet_hooks_csproj_prefix_repo/Program.cs b/testing/resources/dotnet_hooks_csproj_prefix_repo/Program.cs
deleted file mode 100644
index 1456e8e..0000000
--- a/testing/resources/dotnet_hooks_csproj_prefix_repo/Program.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace dotnet_hooks_repo
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            Console.WriteLine("Hello from dotnet!");
-        }
-    }
-}
diff --git a/testing/resources/dotnet_hooks_csproj_prefix_repo/dotnet_hooks_csproj_prefix_repo.csproj b/testing/resources/dotnet_hooks_csproj_prefix_repo/dotnet_hooks_csproj_prefix_repo.csproj
deleted file mode 100644
index 754b760..0000000
--- a/testing/resources/dotnet_hooks_csproj_prefix_repo/dotnet_hooks_csproj_prefix_repo.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
-    <PackAsTool>true</PackAsTool>
-    <ToolCommandName>testeroni.tool</ToolCommandName>
-    <PackageOutputPath>./nupkg</PackageOutputPath>
-  </PropertyGroup>
-</Project>
diff --git a/testing/resources/dotnet_hooks_csproj_repo/.gitignore b/testing/resources/dotnet_hooks_csproj_repo/.gitignore
deleted file mode 100644
index edcd28f..0000000
--- a/testing/resources/dotnet_hooks_csproj_repo/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-bin/
-obj/
-nupkg/
diff --git a/testing/resources/dotnet_hooks_csproj_repo/.pre-commit-hooks.yaml b/testing/resources/dotnet_hooks_csproj_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index 0f514c1..0000000
--- a/testing/resources/dotnet_hooks_csproj_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
--   id: dotnet-example-hook
-    name: dotnet example hook
-    entry: testeroni
-    language: dotnet
-    files: ''
diff --git a/testing/resources/dotnet_hooks_csproj_repo/Program.cs b/testing/resources/dotnet_hooks_csproj_repo/Program.cs
deleted file mode 100644
index 1456e8e..0000000
--- a/testing/resources/dotnet_hooks_csproj_repo/Program.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-
-namespace dotnet_hooks_repo
-{
-    class Program
-    {
-        static void Main(string[] args)
-        {
-            Console.WriteLine("Hello from dotnet!");
-        }
-    }
-}
diff --git a/testing/resources/dotnet_hooks_csproj_repo/dotnet_hooks_csproj_repo.csproj b/testing/resources/dotnet_hooks_csproj_repo/dotnet_hooks_csproj_repo.csproj
deleted file mode 100644
index fa9879b..0000000
--- a/testing/resources/dotnet_hooks_csproj_repo/dotnet_hooks_csproj_repo.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net6</TargetFramework>
-    <PackAsTool>true</PackAsTool>
-    <ToolCommandName>testeroni</ToolCommandName>
-    <PackageOutputPath>./nupkg</PackageOutputPath>
-  </PropertyGroup>
-</Project>
diff --git a/testing/resources/dotnet_hooks_sln_repo/.gitignore b/testing/resources/dotnet_hooks_sln_repo/.gitignore
deleted file mode 100644
index edcd28f..0000000
--- a/testing/resources/dotnet_hooks_sln_repo/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-bin/
-obj/
-nupkg/
diff --git a/testing/resources/dotnet_hooks_sln_repo/.pre-commit-hooks.yaml b/testing/resources/dotnet_hooks_sln_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index 0f514c1..0000000
--- a/testing/resources/dotnet_hooks_sln_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
--   id: dotnet-example-hook
-    name: dotnet example hook
-    entry: testeroni
-    language: dotnet
-    files: ''
diff --git a/testing/resources/dotnet_hooks_sln_repo/Program.cs b/testing/resources/dotnet_hooks_sln_repo/Program.cs
deleted file mode 100644
index 04ad4e0..0000000
--- a/testing/resources/dotnet_hooks_sln_repo/Program.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;

-

-namespace dotnet_hooks_sln_repo

-{

-    class Program

-    {

-        static void Main(string[] args)

-        {

-            Console.WriteLine("Hello from dotnet!");

-        }

-    }

-}

diff --git a/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.csproj b/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.csproj
deleted file mode 100644
index a4e2d00..0000000
--- a/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.csproj
+++ /dev/null
@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">

-  <PropertyGroup>

-    <OutputType>Exe</OutputType>

-    <TargetFramework>net6</TargetFramework>

-    <PackAsTool>true</PackAsTool>

-    <ToolCommandName>testeroni</ToolCommandName>

-    <PackageOutputPath>./nupkg</PackageOutputPath>

-  </PropertyGroup>

-</Project>

diff --git a/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.sln b/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.sln
deleted file mode 100644
index 87d2afb..0000000
--- a/testing/resources/dotnet_hooks_sln_repo/dotnet_hooks_sln_repo.sln
+++ /dev/null
@@ -1,34 +0,0 @@
-

-Microsoft Visual Studio Solution File, Format Version 12.00

-# Visual Studio 15

-VisualStudioVersion = 15.0.26124.0

-MinimumVisualStudioVersion = 15.0.26124.0

-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "dotnet_hooks_sln_repo", "dotnet_hooks_sln_repo.csproj", "{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}"

-EndProject

-Global

-	GlobalSection(SolutionConfigurationPlatforms) = preSolution

-		Debug|Any CPU = Debug|Any CPU

-		Debug|x64 = Debug|x64

-		Debug|x86 = Debug|x86

-		Release|Any CPU = Release|Any CPU

-		Release|x64 = Release|x64

-		Release|x86 = Release|x86

-	EndGlobalSection

-	GlobalSection(SolutionProperties) = preSolution

-		HideSolutionNode = FALSE

-	EndGlobalSection

-	GlobalSection(ProjectConfigurationPlatforms) = postSolution

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|Any CPU.ActiveCfg = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|Any CPU.Build.0 = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|x64.ActiveCfg = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|x64.Build.0 = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|x86.ActiveCfg = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Debug|x86.Build.0 = Debug|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|Any CPU.ActiveCfg = Release|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|Any CPU.Build.0 = Release|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|x64.ActiveCfg = Release|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|x64.Build.0 = Release|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|x86.ActiveCfg = Release|Any CPU

-		{6568CFDB-6F6F-45A9-932C-8C7DAABC8E56}.Release|x86.Build.0 = Release|Any CPU

-	EndGlobalSection

-EndGlobal

diff --git a/testing/resources/golang_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/golang_hooks_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index 206733b..0000000
--- a/testing/resources/golang_hooks_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
--   id: golang-hook
-    name: golang example hook
-    entry: golang-hello-world
-    language: golang
-    files: ''
diff --git a/testing/resources/golang_hooks_repo/go.mod b/testing/resources/golang_hooks_repo/go.mod
deleted file mode 100644
index f37d4b6..0000000
--- a/testing/resources/golang_hooks_repo/go.mod
+++ /dev/null
@@ -1,5 +0,0 @@
-module golang-hello-world
-
-go 1.18
-
-require github.com/BurntSushi/toml v1.1.0
diff --git a/testing/resources/golang_hooks_repo/go.sum b/testing/resources/golang_hooks_repo/go.sum
deleted file mode 100644
index ec0c385..0000000
--- a/testing/resources/golang_hooks_repo/go.sum
+++ /dev/null
@@ -1,2 +0,0 @@
-github.com/BurntSushi/toml v1.1.0 h1:ksErzDEI1khOiGPgpwuI7x2ebx/uXQNw7xJpn9Eq1+I=
-github.com/BurntSushi/toml v1.1.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
diff --git a/testing/resources/golang_hooks_repo/golang-hello-world/main.go b/testing/resources/golang_hooks_repo/golang-hello-world/main.go
deleted file mode 100644
index 1685743..0000000
--- a/testing/resources/golang_hooks_repo/golang-hello-world/main.go
+++ /dev/null
@@ -1,23 +0,0 @@
-package main
-
-
-import (
-	"fmt"
-	"runtime"
-	"github.com/BurntSushi/toml"
-	"os"
-)
-
-type Config struct {
-	What string
-}
-
-func main() {
-	message := runtime.Version()
-	if len(os.Args) > 1 {
-		message = os.Args[1]
-	}
-	var conf Config
-	toml.Decode("What = 'world'\n", &conf)
-	fmt.Printf("hello %v from %s\n", conf.What, message)
-}
diff --git a/testing/resources/python_venv_hooks_repo/.pre-commit-hooks.yaml b/testing/resources/python_venv_hooks_repo/.pre-commit-hooks.yaml
deleted file mode 100644
index a666ed8..0000000
--- a/testing/resources/python_venv_hooks_repo/.pre-commit-hooks.yaml
+++ /dev/null
@@ -1,5 +0,0 @@
--   id: foo
-    name: Foo
-    entry: foo
-    language: python_venv
-    files: \.py$
diff --git a/testing/resources/python_venv_hooks_repo/foo.py b/testing/resources/python_venv_hooks_repo/foo.py
deleted file mode 100644
index 40efde3..0000000
--- a/testing/resources/python_venv_hooks_repo/foo.py
+++ /dev/null
@@ -1,9 +0,0 @@
-from __future__ import annotations
-
-import sys
-
-
-def main():
-    print(repr(sys.argv[1:]))
-    print('Hello World')
-    return 0
diff --git a/testing/resources/python_venv_hooks_repo/setup.py b/testing/resources/python_venv_hooks_repo/setup.py
deleted file mode 100644
index cff6cad..0000000
--- a/testing/resources/python_venv_hooks_repo/setup.py
+++ /dev/null
@@ -1,10 +0,0 @@
-from __future__ import annotations
-
-from setuptools import setup
-
-setup(
-    name='foo',
-    version='0.0.0',
-    py_modules=['foo'],
-    entry_points={'console_scripts': ['foo = foo:main']},
-)
diff --git a/testing/util.py b/testing/util.py
index b6c3804..7c68d0e 100644
--- a/testing/util.py
+++ b/testing/util.py
@@ -6,24 +6,13 @@ import subprocess
 
 import pytest
 
-from pre_commit.util import CalledProcessError
 from pre_commit.util import cmd_output
-from pre_commit.util import cmd_output_b
 from testing.auto_namedtuple import auto_namedtuple
 
 
 TESTING_DIR = os.path.abspath(os.path.dirname(__file__))
 
 
-def docker_is_running() -> bool:  # pragma: win32 no cover
-    try:
-        cmd_output_b('docker', 'ps')
-    except CalledProcessError:  # pragma: no cover
-        return False
-    else:
-        return True
-
-
 def get_resource_path(path):
     return os.path.join(TESTING_DIR, 'resources', path)
 
@@ -41,10 +30,6 @@ def cmd_output_mocked_pre_commit_home(
     return ret, out.replace('\r\n', '\n'), None
 
 
-skipif_cant_run_docker = pytest.mark.skipif(
-    os.name == 'nt' or not docker_is_running(),
-    reason="Docker isn't running or can't be accessed",
-)
 xfailif_windows = pytest.mark.xfail(os.name == 'nt', reason='windows')