From 9c977874a66a72d3a15a8e5fbbb45297b3896ff1 Mon Sep 17 00:00:00 2001
From: Timo Schmidt <tischmid@student.42berlin.de>
Date: Sun, 19 Mar 2023 02:27:09 +0100
Subject: [PATCH] Make builtins safe

---
 Makefile | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 0c7ca8b..707b369 100644
--- a/Makefile
+++ b/Makefile
@@ -19,15 +19,17 @@ ${app}: ${OBJ}
 	${CC} -o ${BUILDDIR}/$@ $^ ${CFLAGS}
 
 clean:
-	@unset -f rm
+	@\unset -f rm
 	\rm -f ${OBJ} *~ ${INCDIR}/*~
 
 install: rush
-	mkdir -p ${DESTDIR}${PREFIX}/bin
-	cp -f ${BUILDDIR}/${app} ${DESTDIR}${PREFIX}/bin
-	chmod 755 ${DESTDIR}${PREFIX}/bin/${app}
+	@\unset -f mkdir cp chmod
+	\mkdir -p ${DESTDIR}${PREFIX}/bin
+	\cp -f ${BUILDDIR}/${app} ${DESTDIR}${PREFIX}/bin
+	\chmod 755 ${DESTDIR}${PREFIX}/bin/${app}
 
 uninstall:
-	rm -f ${DESTDIR}${PREFIX}/bin/${app}
+	@unset -f rm
+	\rm -f ${DESTDIR}${PREFIX}/bin/${app}
 
 .PHONY: clean