#!/bin/bash

# Syncronise new ubuntu CD images, depending on command-line flags given.
# If none are given, sync all images.

if [ -e /tmp/ubuntu-sync.01532-lock ]; then
	echo "Another copy of the script is running."
	exit 1
fi

Ubuntu_Distro_Dir=$HOME/distros/ubuntu
Dist=gutsy

# Only sync the oldest images, and only i386 images if low bandwidth.
Low_Bandwidth=1

while [ "$1" ]; do
	case "$1" in
		-u)
			Image_Sets="${Image_Sets} ubuntu"
			shift 1
			break
		;;
		-k)
			Image_Sets="${Image_Sets} kubuntu"
			shift 1
			break
		;;
		-e)
			Image_Sets="${Image_Sets} edubuntu"
			shift 1
			break
		;;
		-x)
			Image_Sets="${Image_Sets} xubuntu"
			shift 1
			break
		;;
		-s)
			Image_Sets="${Image_Sets} ubuntu-server"
			shift 1
			break
		;;
	esac
done
if [ "${Low_Bandwidth}" == 1 ] && [ "${Image_Sets}" == "" ]; then
	cd ${Ubuntu_Distro_Dir}
	Image_Sets=`ls -td1 */${Dist} | tail -1 | cut -f 1 -d /`
elif [ "${Low_Bandwidth}" == 0 ] && [ "${Image_Sets}" == "" ]; then
	Image_Sets="ubuntu xubuntu ubuntu-server edubuntu kubuntu"
fi

# Sync images.
if [ ! -e /tmp/ubuntu-sync.01532-lock ]; then
        touch /tmp/ubuntu-sync.01532-lock
fi
for Current_Set in ${Image_Sets}
do
cd ${Ubuntu_Distro_Dir}/${Current_Set}/${Dist}
Rsync_Options="--partial-dir=${Ubuntu_Distro_Dir}/${Current_Set}/${Dist}/.partial"
	if [ "${Current_Set}" == "ubuntu" ]; then
		if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/daily/current/${Dist}-alternate-i386.iso ${Dist}-alternate-i386.iso ; then
			date > alternate-i386-sync
		fi
		if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/daily-live/current/${Dist}-desktop-i386.iso ${Dist}-desktop-i386.iso ; then
			date > desktop-i386-sync
		fi
		if [ "${Low_Bandwidth}" == 0 ]; then
			if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/ports/daily/current/${Dist}-alternate-powerpc.iso ${Dist}-alternate-powerpc.iso ; then
				date > alternate-powerpc-sync
			fi
			if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/ports/daily-live/current/${Dist}-desktop-powerpc.iso ${Dist}-desktop-powerpc.iso ; then
				date > desktop-powerpc-sync
			fi
		fi
	else
		if [ "${Current_Set}" == "edubuntu" ]; then
			Install=install
			Live=live
		elif [ "${Current_Set}" == "ubuntu-server" ]; then
			Install=server
			Live=live
		else
			Install=alternate
			Live=desktop
		fi
		if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/${Current_Set}/daily/current/${Dist}-${Install}-i386.iso ${Dist}-${Install}-i386.iso ; then
		        date > ${Install}-i386-sync
		fi
		if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/${Current_Set}/daily-live/current/${Dist}-${Live}-i386.iso ${Dist}-${Live}-i386.iso ; then
		        date > ${Live}-i386-sync
		fi
		if [ "${Low_Bandwidth}" == 0 ]; then
			if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/${Current_Set}/daily/current/${Dist}-${Install}-powerpc.iso ${Dist}-${Install}-powerpc.iso ; then
			        date > ${Install}-powerpc-sync
			fi
			if rsync ${Rsync_Options} rsync://cdimage.ubuntu.com/cdimage/${Current_Set}/daily-live/current/${Dist}-${Live}-powerpc.iso ${Dist}-${Live}-powerpc.iso ; then
			        date > ${Live}-powerpc-sync
			fi
		fi
	fi
done
rm /tmp/ubuntu-sync.01532-lock