#!/bin/bash

if [ $# -ne 2 ]; then
	echo "Exactly two parameter needed. category and /path/to/logfile"
	exit 1
fi

exec >> $2
exec 2>&1

CURDATE=`date +%s`


if [ "${1}" ==  "fedora" ]; then
	CATEGORY="Linux"
elif [ "${1}" ==  "epel" ]; then
	CATEGORY="EPEL"
elif [ "${1}" ==  "alt" ]; then
	CATEGORY="Other"
elif [ "${1}" ==  "fedora-secondary" ]; then
	CATEGORY="Secondary Arches"
elif [ "${1}" ==  "archive" ]; then
	CATEGORY="Archive"
fi

if [ -e /var/run/mirrormanager/umdl-${1} ]; then
	. /var/run/mirrormanager/umdl-${1}
else
	# 24 hours -> 86400 seconds
	let LASTRUN=CURDATE-86400
fi

# FULLFILETIMELIST -> FFTL
FFTL="/srv/pub/${1}/fullfiletimelist-${1}"

FILEDATE=`stat -c %Z ${FFTL} 2> /dev/null`

if [ "$?" -eq "1" ]; then
	echo "Error stat() of ${FFTL} failed. This should not happen."
	exit 1
fi

if [ "$LASTRUN" -gt "$FILEDATE" ]; then
	# no changes on the master mirror
	# abort
	exit 0
fi

echo -n "${FFTL} has changed since last run. Running umdl for Fedora ${CATEGORY} at "
date

/usr/local/bin/lock-wrapper umdl-${1} "/usr/bin/mm2_update-master-directory-list --category \"Fedora ${CATEGORY}\""

if [ "$?" -eq "0" ]; then
	# success! remember the date of this run
	echo "LASTRUN=${CURDATE}" > /var/run/mirrormanager/umdl-${1}
	echo -n "Finished umdl for Fedora ${CATEGORY} successfully at "
	date
	exit 0
fi

echo -n "umdl for Fedora ${CATEGORY} returned non-zero. Something failed. Please check umdl.log. "
date