X-Git-Url: https://arthur.barton.de/gitweb/?a=blobdiff_plain;f=bin%2Fbackup-script-wrapper;h=32a15a66bf40eb7fac8732c2908b7b42a77eac6f;hb=80655038fee8d0c5a994e358865344b28398ac92;hp=8d160e494ee09705725589401f06b7a042bb19e5;hpb=d1fa151025d6284c557f1e92bfb94a6f94f225f1;p=backup-script.git

diff --git a/bin/backup-script-wrapper b/bin/backup-script-wrapper
index 8d160e4..32a15a6 100755
--- a/bin/backup-script-wrapper
+++ b/bin/backup-script-wrapper
@@ -21,15 +21,27 @@ if [ -z "$MAILTO" ]; then
 fi
 
 NAME="backup-script"
-HOST=`hostname -f`
-TMP=`mktemp /tmp/$NAME.XXXXXXXX` || exit 1
-LOGFILE="/var/log/backup-script.log"
+
 DELIMITER="- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -"
+HOST=`hostname -f`
+LOGFILE="/var/log/$NAME.log"
+PIDFILE="/var/run/$NAME.pid"
 SUBJECT="$NAME results"
+TMP=`mktemp /tmp/$NAME.XXXXXXXX` || exit 1
 
 PATH="$PATH:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
 export PATH
 
+# check PID file ("lock file")
+if [ -e "$PIDFILE" ]; then
+	echo "Lockfile \"$PIDFILE\" already exists."
+	echo "Is an other instance still running?"
+	echo
+	echo -n "Aborted: "; date
+	echo
+	exit 4
+fi
+
 exec >"$TMP" 2>&1
 
 echo "$NAME Report"