From 06a246f1fbd79d70951488d65d5fe6bfa4afd4ef Mon Sep 17 00:00:00 2001
From: Lumir Balhar <lbalhar@redhat.com>
Date: Thu, 13 Mar 2025 11:52:42 +0100
Subject: [PATCH] Revert "Always rewrite a Python shebang to #!python."

This reverts commit c71266345c64fd662b5f95bbbc6e4536172f496d.
---
 setuptools/_distutils/command/build_scripts.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/setuptools/_distutils/command/build_scripts.py b/setuptools/_distutils/command/build_scripts.py
index 127c51d8d..05ba2c93c 100644
--- a/setuptools/_distutils/command/build_scripts.py
+++ b/setuptools/_distutils/command/build_scripts.py
@@ -5,6 +5,7 @@ Implements the Distutils 'build_scripts' command."""
 import os
 import re
 import tokenize
+from distutils import sysconfig
 from distutils._log import log
 from stat import ST_MODE
 from typing import ClassVar
@@ -105,8 +106,18 @@ class build_scripts(Command):
         if shebang_match:
             log.info("copying and adjusting %s -> %s", script, self.build_dir)
             if not self.dry_run:
+                if not sysconfig.python_build:
+                    executable = self.executable
+                else:
+                    executable = os.path.join(
+                        sysconfig.get_config_var("BINDIR"),
+                        "python{}{}".format(
+                            sysconfig.get_config_var("VERSION"),
+                            sysconfig.get_config_var("EXE"),
+                        ),
+                    )
                 post_interp = shebang_match.group(1) or ''
-                shebang = f"#!python{post_interp}\n"
+                shebang = "#!" + executable + post_interp + "\n"
                 self._validate_shebang(shebang, f.encoding)
                 with open(outfile, "w", encoding=f.encoding) as outf:
                     outf.write(shebang)
-- 
2.48.1

