From d3303892e4f393d994804016060a8bc704acfebb Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sesse@samfundet.no>
Date: Wed, 8 Oct 2014 10:41:24 +0200
Subject: [PATCH 1/1] Fix a bug where the lock file would be removed if seen
 from a different process.

---
 backup.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/backup.sh b/backup.sh
index 29ffa1f..f4ae98b 100755
--- a/backup.sh
+++ b/backup.sh
@@ -68,9 +68,10 @@ infomsg() {
 # Trap C-c and kill
 trap die SIGINT SIGTERM
 
-# Don't start if we're already running
+# Don't start if we're already running. Don't use diemsg, as that removes the lock file!
 if [ -e $LOCKFILE ]; then
-	diemsg "$LOCKFILE exists for pid `cat $LOCKFILE`."
+	warnmsg "$LOCKFILE exists for pid `cat $LOCKFILE`."
+	exit 1
 fi;
 touch $LOCKFILE
 echo $$ > $LOCKFILE
-- 
2.39.2