From 20ff60e9f0e8528b00b03e036fa3d41743d53dfa Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 21 Jan 2022 20:59:08 +0100
Subject: Adding upstream version 2.17.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 pre_commit/commands/install_uninstall.py | 32 +++++++-------------------------
 pre_commit/commands/run.py               |  3 +--
 2 files changed, 8 insertions(+), 27 deletions(-)

(limited to 'pre_commit/commands')

diff --git a/pre_commit/commands/install_uninstall.py b/pre_commit/commands/install_uninstall.py
index 7974423..50c6443 100644
--- a/pre_commit/commands/install_uninstall.py
+++ b/pre_commit/commands/install_uninstall.py
@@ -1,4 +1,3 @@
-import itertools
 import logging
 import os.path
 import shlex
@@ -31,10 +30,6 @@ PRIOR_HASHES = (
 CURRENT_HASH = b'138fd403232d2ddd5efb44317e38bf03'
 TEMPLATE_START = '# start templated\n'
 TEMPLATE_END = '# end templated\n'
-# Homebrew/homebrew-core#35825: be more timid about appropriate `PATH`
-# #1312 os.defpath is too restrictive on BSD
-POSIX_SEARCH_PATH = ('/usr/local/bin', '/usr/bin', '/bin')
-SYS_EXE = os.path.basename(os.path.realpath(sys.executable))
 
 
 def _hook_paths(
@@ -54,26 +49,6 @@ def is_our_script(filename: str) -> bool:
     return any(h in contents for h in (CURRENT_HASH,) + PRIOR_HASHES)
 
 
-def shebang() -> str:
-    if sys.platform == 'win32':
-        py, _ = os.path.splitext(SYS_EXE)
-    else:
-        exe_choices = [
-            f'python{sys.version_info[0]}.{sys.version_info[1]}',
-            f'python{sys.version_info[0]}',
-        ]
-        # avoid searching for bare `python` as it's likely to be python 2
-        if SYS_EXE != 'python':
-            exe_choices.append(SYS_EXE)
-        for path, exe in itertools.product(POSIX_SEARCH_PATH, exe_choices):
-            if os.access(os.path.join(path, exe), os.X_OK):
-                py = exe
-                break
-        else:
-            py = SYS_EXE
-    return f'#!/usr/bin/env {py}'
-
-
 def _install_hook_script(
         config_file: str,
         hook_type: str,
@@ -107,6 +82,13 @@ def _install_hook_script(
         before, rest = contents.split(TEMPLATE_START)
         _, after = rest.split(TEMPLATE_END)
 
+        # on windows always use `/bin/sh` since `bash` might not be on PATH
+        # though we use bash-specific features `sh` on windows is actually
+        # bash in "POSIXLY_CORRECT" mode which still supports the features we
+        # use: subshells / arrays
+        if sys.platform == 'win32':  # pragma: win32 cover
+            hook_file.write('#!/bin/sh\n')
+
         hook_file.write(before + TEMPLATE_START)
         hook_file.write(f'INSTALL_PYTHON={shlex.quote(sys.executable)}\n')
         # TODO: python3.8+: shlex.join
diff --git a/pre_commit/commands/run.py b/pre_commit/commands/run.py
index 2714faf..f8ced0f 100644
--- a/pre_commit/commands/run.py
+++ b/pre_commit/commands/run.py
@@ -275,7 +275,6 @@ def _run_hooks(
         hooks: Sequence[Hook],
         skips: Set[str],
         args: argparse.Namespace,
-        environ: MutableMapping[str, str],
 ) -> int:
     """Actually run the hooks."""
     cols = _compute_cols(hooks)
@@ -416,7 +415,7 @@ def run(
         to_install = [hook for hook in hooks if hook.id not in skips]
         install_hook_envs(to_install, store)
 
-        return _run_hooks(config, hooks, skips, args, environ)
+        return _run_hooks(config, hooks, skips, args)
 
     # https://github.com/python/mypy/issues/7726
     raise AssertionError('unreachable')
-- 
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