#!/bin/bash

TARGET=/srv/www-sugarlabs/download/soas/test
BASEURL=http://alt.fedoraproject.org/pub/alt/nightly-composes/soas/
LATEST=soas-i386-test-latest
LOGFILE=soas-wget-log # file for logging output, can be /dev/null

# Send all output to LOGFILE
exec >${LOGFILE} 2>&1

# Change to target directory
cd ${TARGET}

# Fetch the index page, and from the index page get the ISO filename
NAME=$(wget -o /dev/null -O- ${BASEURL}|\
	sed -n "s/^.*\(soas-i386-20[.0-9]*iso\).*/\1/p")

# Abort if file already exists
if [ -f ${NAME} ]
then
	exit 1
fi

# Fetch the ISO using the name from above
if wget ${BASEURL}/${NAME} 
then
	# If successful, also get the checksum file
	wget -O ${NAME/iso/sha} ${BASEURL}/CHECKSUM-i386

	# Remove and recreate the "latest" symlinks
	rm -f ${LATEST}-checksum.sha 
	ln -s ${NAME/iso/sha} ${LATEST}-checksum.sha
	rm -f ${LATEST}.iso
	ln -s ${NAME} ${LATEST}.iso
fi