Added powershell support

pre_commit/languages/powershell.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+from typing import Sequence
+
+from pre_commit.hook import Hook
+from pre_commit.languages import helpers
+
+
+ENVIRONMENT_DIR = None
+get_default_version = helpers.basic_get_default_version
+healthy = helpers.basic_healthy
+install_environment = helpers.no_install
+
+def run_hook(
+        hook: Hook,
+        file_args: Sequence[str],
+        color: bool,
+) -> tuple[int, bytes]:  # pragma: win32 no cover
+    fullpath = (hook.prefix.prefix_dir + '\\' + hook.cmd[0])
+    cmd = ('pwsh', '-F') + (fullpath,)
+    return helpers.run_xargs(hook, cmd, file_args, color=color)

testing/gen-languages-all

@@ -5,8 +5,8 @@ import sys
 
 LANGUAGES = [
     'conda', 'coursier', 'dart', 'docker', 'docker_image', 'dotnet', 'fail',
-    'golang', 'lua', 'node', 'perl', 'pygrep', 'python', 'r', 'ruby', 'rust',
-    'script', 'swift', 'system',
+    'golang', 'lua', 'node', 'perl', 'powershell', 'pygrep', 'python', 'r', 
+    'ruby', 'rust', 'script', 'swift', 'system',
 ]
 FIELDS = [
     'ENVIRONMENT_DIR', 'get_default_version', 'healthy', 'install_environment',

testing/resources/powershell_repo/.pre-commit-hooks.yaml

@@ -0,0 +1,6 @@
+-   id: powershell-example-hook
+    name: Test Powershell Project
+    description: Test Powershell Project
+    entry: test-script.ps1
+    language: powershell
+    stages: [commit]

testing/resources/powershell_repo/test-script.ps1

@@ -0,0 +1,2 @@
+Write-Output "Hello from Powershell"
+exit 0

tests/repository_test.py

@@ -1162,3 +1162,15 @@ def test_local_lua_additional_dependencies(store):
     ret, out = _hook_run(hook, (), color=False)
     assert b'Luacheck' in out
     assert ret == 0
+
+@pytest.mark.parametrize(
+    'repo',
+    (
+        'powershell_repo',
+    ),
+)
+def test_dotnet_hook(tempdir_factory, store, repo):
+    _test_hook_repo(
+        tempdir_factory, store, repo,
+        'powershell-example-hook', [], b'Hello from Powershell\n',
+    )