From 6af710bc97a3384798f715b29ebe6081a59f0c20 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Fri, 4 Feb 2022 17:11:09 -0500
Subject: [PATCH] provide a Makefile target to clean the Lua submodule

---
 sys/unix/Makefile.top | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/unix/Makefile.top b/sys/unix/Makefile.top
index 53649f62a..d2d00b6fb 100644
--- a/sys/unix/Makefile.top
+++ b/sys/unix/Makefile.top
@@ -371,3 +371,7 @@ spotless-keep-lib: clean-keep-lib
 	( cd util ; $(MAKE) spotless )
 	( cd dat ; $(MAKE) spotless )
 	( cd doc ; $(MAKE) spotless )
+spotless-clean-submodule:
+	@( if test -f submodules/lua/lua.h ; then \
+	    git submodule deinit submodules/lua ; fi )
+
-- 
2.50.1