From 38d0ea5a44f60c7259e257aae4c41ce8ebcb108d Mon Sep 17 00:00:00 2001
From: Robin Mallinson <robin.mallinson@gmail.com>
Date: Sun, 11 Nov 2012 14:08:40 +0000
Subject: [PATCH] Fix /etc/modules editing logic

---
 ServoBlaster/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ServoBlaster/Makefile b/ServoBlaster/Makefile
index 6277682..82cab39 100644
--- a/ServoBlaster/Makefile
+++ b/ServoBlaster/Makefile
@@ -18,7 +18,7 @@ install: servoblaster.ko
 	@sudo chmod +x /lib/udev/servoblaster
 	@sudo mkdir -p $(INSTALL_PATH)
 	@sudo cp ./servoblaster.ko $(INSTALL_PATH)
-	@[ grep servoblaster /etc/modules > /dev/null 2>&1 ] || { sudo sed -i '$$a\servoblaster' /etc/modules; }
+	@if ! grep servoblaster /etc/modules > /dev/null 2>&1; then sudo sed -i '$$a\servoblaster' /etc/modules; fi
 	@sudo depmod -a
 	@sudo modprobe servoblaster
 	@echo "Installation complete."