#
#	$Id: functions,v 1.3 2005/07/20 22:21:08 finley Exp $
#
#	2005.06.29 Brian Elliott Finley
#	- add stamp_it_bad
#	2005.07.20 Brian Elliott Finley
#	- add lock_it and unlock_it
#	2006.02.27 Brian Elliott Finley
#	- remove stamp.bad if stamping good
#

hardlink_identical_files() {
    /opt/alpaca-farm/bin/hardlink.py -v 0 $DEST
}

stamp_it_good() {
    echo stamp_it_good
    echo "Last update succeeded on `hostname -f` at:  `date`" > $DEST/SYNC_STAMP.txt
    rm -f $DEST/SYNC_STAMP.bad.txt
    unlock_it
}

stamp_it_bad() {
    echo stamp_it_bad
    echo "Last update failed on `hostname -f` at:  `date`" > $DEST/SYNC_STAMP.bad.txt
    unlock_it
}


lock_it() {

    local lockdir="/opt/alpaca-farm/lock"
    local progname=`basename $0`
    local lockfile="$lockdir/$progname"

    # if lockfile exists, and is in the process table
    if [ -e $lockfile ]; then
        if [ -e /proc/`cat $lockfile` ]; then
            echo "I'm already running.  Exiting cleanly."
            exit 0
        fi
    fi

    echo $$ > $lockfile

    echo "Sync started on `hostname -f` at:  `date`" > $DEST/SYNC_IN_PROGRESS.txt

}


unlock_it() {

    rm -f $DEST/SYNC_IN_PROGRESS.txt

    local lockdir="/opt/alpaca-farm/lock"
    local progname=`basename $0`
    local lockfile="$lockdir/$progname"

    rm -f $lockfile
}