Update copyright notices for 2016

[backup-script.git] / bin / backup-script-wrapper

diff --git a/bin/backup-script-wrapper b/bin/backup-script-wrapper
index 8d160e494ee09705725589401f06b7a042bb19e5..a2de1d797557c17722d885cca029f83f87fcfaed 100755 (executable)
--- a/bin/backup-script-wrapper
+++ b/bin/backup-script-wrapper
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # backup-script system for cloning systems using rsync
-# Copyright (c)2008-2015 Alexander Barton, alex@barton.de
+# Copyright (c)2008-2016 Alexander Barton, alex@barton.de
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -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"