#!/bin/sh
##
# do diffs for each of the diff groups ($LIST_OF_GROUPS) from <BASEDIR>/bin/env
##

ENVFILE="`dirname $0`/env"

. $ENVFILE

if [ $# -ge 1 ] ; then
    LIST_OF_GROUPS="$*"; export LIST_OF_GROUPS
elif [ "$LIST_OF_GROUPS" = "" ] ; then
	echo "LIST_OF_GROUPS is empty in $ENVFILE"
	exit 1
fi

if [ ! -d $BASEDIR/logs ] ; then
	mkdir $BASEDIR/logs
fi

for GROUP in $LIST_OF_GROUPS
do

	LOCKFILE=$TMPDIR/.$GROUP.run.lock

	(
		echo starting: `date`
		echo

		if [ -f $LOCKFILE ]
		then
			echo hourly config diffs failed: $LOCKFILE exists
			/bin/ls -l $LOCKFILE

			# Send email if the lock file is old.
			if [ "X$LOCKTIME" = "X" ] ; then
				LOCKTIME=4
			fi
			@PERLV_PATH@ -e "\$t = (stat(\"$LOCKFILE\"))[9]; print \"OLD\\n\" if (time() - \$t >= $LOCKTIME*60*60);" > $TMPDIR/.$GROUP.old
			if [ -s $TMPDIR/.$GROUP.old ]
			then
				(
					cat <<END
rancid $GROUP hung on `hostname`?  Old lockfile still exists:
`/bin/ls -l $LOCKFILE`
END
				) | Mail -s "rancid hung - $GROUP" rancid-admin-$GROUP
			fi
			rm -f $TMPDIR/.$GROUP.old

		else
			/usr/bin/touch $LOCKFILE
			control_rancid $GROUP
			/bin/rm -f $LOCKFILE
		fi

		echo
		echo ending: `date`
	) >$BASEDIR/logs/$GROUP.`date +%Y%m%d.%H%M%S` 2>&1 
done