From 7aa75691a793577a1a46a621a8cb7d23388b1e3c Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Tue, 23 Sep 2014 13:39:49 +0100
Subject: [PATCH] Avoid duplicates

---
 install-freedombone.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/install-freedombone.sh b/install-freedombone.sh
index 837cbd1b..c33d73f3 100755
--- a/install-freedombone.sh
+++ b/install-freedombone.sh
@@ -194,7 +194,9 @@ function enable_zram {
   if grep -Fxq "enable_zram" $COMPLETION_FILE; then
 	  return
   fi
-  echo "options zram num_devices=1" >> /etc/modprobe.d/zram.conf
+  if ! grep -q "options zram num_devices=1" /etc/modprobe.d/zram.conf; then
+      echo 'options zram num_devices=1' >> /etc/modprobe.d/zram.conf
+  fi
   echo '#!/bin/bash' > /etc/init.d/zram
   echo '### BEGIN INIT INFO' >> /etc/init.d/zram
   echo '# Provides: zram' >> /etc/init.d/zram