From 864e8fb029b10bfe2af14d679600d22e33d7ea35 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 10 Oct 2025 07:37:27 +0900
Subject: win32: Enable extensions explicitly

---
 win32/configure.bat          | 2 +-
 win32/ifchange.bat           | 2 ++
 win32/install-buildtools.cmd | 2 +-
 win32/lastrev.bat            | 3 ++-
 win32/makedirs.bat           | 2 +-
 win32/rm.bat                 | 2 +-
 win32/rmdirs.bat             | 2 +-
 win32/rtname.cmd             | 1 +
 win32/vssetup.cmd            | 2 +-
 9 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/win32/configure.bat b/win32/configure.bat
index 79384a8759..8f767ede73 100755
--- a/win32/configure.bat
+++ b/win32/configure.bat
@@ -1,5 +1,5 @@
 @echo off
-@setlocal disabledelayedexpansion
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 set PROMPT=$E[94m+$E[m$S
 set witharg=
 
diff --git a/win32/ifchange.bat b/win32/ifchange.bat
index c7a57fad35..f3fc9ea37c 100755
--- a/win32/ifchange.bat
+++ b/win32/ifchange.bat
@@ -1,6 +1,8 @@
 @echo off
 :: usage: ifchange target temporary
 
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
+
 :: @set PROMPT=$T:$S
 for %%I in (%0) do set progname=%%~nI
 set timestamp=
diff --git a/win32/install-buildtools.cmd b/win32/install-buildtools.cmd
index 6ec1475280..fbbe051f71 100755
--- a/win32/install-buildtools.cmd
+++ b/win32/install-buildtools.cmd
@@ -1,5 +1,5 @@
 @echo off
-setlocal
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 
 set components=VC.Tools.x86.x64 VC.Redist.14.Latest CoreBuildTools
 set components=%components% Windows11SDK.26100
diff --git a/win32/lastrev.bat b/win32/lastrev.bat
index f1c799f897..c4ce61e34a 100755
--- a/win32/lastrev.bat
+++ b/win32/lastrev.bat
@@ -1,5 +1,6 @@
-@setlocal
 @echo off
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
+
 if "%1" == "" (set gitdir=.) else (set gitdir=%1)
 set TZ=UTC
 for /f "usebackq tokens=1-3" %%I in (
diff --git a/win32/makedirs.bat b/win32/makedirs.bat
index 13740d8778..8c06d94041 100755
--- a/win32/makedirs.bat
+++ b/win32/makedirs.bat
@@ -1,3 +1,3 @@
 @echo off
-setlocal EnableExtensions
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 for %%I in (%*) do if not exist "%%~I/." mkdir "%%~I"
diff --git a/win32/rm.bat b/win32/rm.bat
index fefc030545..500a4abe2e 100755
--- a/win32/rm.bat
+++ b/win32/rm.bat
@@ -1,5 +1,5 @@
 @echo off
-setlocal
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 set recursive=
 :optloop
 if "%1" == "-f" shift
diff --git a/win32/rmdirs.bat b/win32/rmdirs.bat
index 308b648322..c3d7b637b3 100755
--- a/win32/rmdirs.bat
+++ b/win32/rmdirs.bat
@@ -1,5 +1,5 @@
-::-*- batch -*-
 @echo off
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 if "%1" == "-p" shift
 :begin
 if "%1" == "" goto :end
diff --git a/win32/rtname.cmd b/win32/rtname.cmd
index 775e81681a..1ac008ebf0 100755
--- a/win32/rtname.cmd
+++ b/win32/rtname.cmd
@@ -1,4 +1,5 @@
 @echo off
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 set rt=
 set rtver=
 set osver=
diff --git a/win32/vssetup.cmd b/win32/vssetup.cmd
index c67bb0ad7c..2bbfbf1384 100755
--- a/win32/vssetup.cmd
+++ b/win32/vssetup.cmd
@@ -1,4 +1,4 @@
-@setlocal ENABLEEXTENSIONS
+@setlocal EnableExtensions DisableDelayedExpansion || exit /b -1
 ::- do not `echo off` that affects the called batch files
 
 ::- check for vswhere
-- 
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