https://git.ruby-lang.org/ruby.git/commit/?id=7bd7a013b1

From 7bd7a013b14fb6c4403ff243ec5db13c5c71f552 Mon Sep 17 00:00:00 2001
From: NAKAMURA Usaku <usa@r...>
Date: Tue, 26 Nov 2019 11:44:11 +0900
Subject: Fix `$(RMALL) -r` on Windows

`set recursive=1 &` sets `1 ` to `recursive`, not `1`.

diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index e273260..6594648 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -90,7 +90,7 @@ IFCHANGE = $(COMSPEC) /C $(srcdir:/=\)\win32\ifchange.bat https://github.com/ruby/ruby/blob/trunk/win32/Makefile.sub#L90
 RM = $(COMSPEC) /C $(srcdir:/=\)\win32\rm.bat
 RMDIR = $(COMSPEC) /C $(srcdir:/=\)\win32\rmdirs.bat
 RMDIRS = $(COMSPEC) /C $(srcdir:/=\)\win32\rmdirs.bat
-RMALL = $(COMSPEC) /C $(srcdir:/=\)\win32\rm.bat -r
+RMALL = $(COMSPEC) /C $(srcdir:/=\)\win32\rm.bat -f -r
 MAKEDIRS = $(COMSPEC) /E:ON /C $(srcdir:/=\)\win32\makedirs.bat
 CP = copy > nul
 MV = move > nul
diff --git a/win32/rm.bat b/win32/rm.bat
index 9496441..8dddf45 100755
--- a/win32/rm.bat
+++ b/win32/rm.bat
@@ -1,7 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/win32/rm.bat#L1
 @echo off
 :optloop
 if "%1" == "-f" shift
-if "%1" == "-r" (shift & set recursive=1 & goto :optloop)
+if "%1" == "-r" (shift & set "recursive=1" & goto :optloop)
 if "%recursive%" == "1" goto :recursive
 :begin
 if "%1" == "" goto :end
-- 
cgit v0.10.2


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