#!/bin/bash

disksdir="$root/ROCK/target-finish"

mainfunction="second_stage_mainfunction"

image_type="zisofs"

pkg_file() {
	local xpkg ver extraver pkg_suffix

	for xpkg ; do
		read ver extraver <<< "$( grep "[ =]$xpkg " \
			$base/config/$config/packages | cut -f6,7 -d" " )"
	
		if [ "$ROCKCFG_CREATE_TARBZ2" == 1 ] ; then
			pkg_suffix='.tar.bz2'
		elif [ "$ROCKCFG_CREATE_GEM" == 1 ] ; then
			pkg_suffix='.gem'
		fi
		
		if [ "$ROCKCFG_PKGFILE_VER" == 1 ] ; then
			pkg_suffix="-$ver-$extraver$pkg_suffix"
		fi
	
		ls "$root/ROCK/pkgs/$xpkg"{,:?*}"$pkg_suffix" 2>/dev/null
	done
}
	
install_pkg() {
	local pkgfile

	for pkgfile ; do
		case "$pkgfile" in
		*.tbz2|*.tar.bz2)
			tar $taropt "$pkgfile" || true
			;;
		*.gem)
			mine -i -R . "$pkgfile" || true
			;;
		esac
	done
}

second_stage_mainfunction ()
{
	if [ "$ROCK_BUILD_TARGET" != 1 ] ; then
		echo "$xpkg can only be built with ./scripts/Build-Target!"
		false
	fi

	create_livecd=1
	create_overlay=1

	if [ "$create_livecd" = 1 ] ; then
		#
		echo "Creating 2nd stage filesystem:"
		rm -rf $disksdir/2nd_stage-livecd
		mkdir -p $disksdir/2nd_stage-livecd
		cd $disksdir/2nd_stage-livecd
		mkdir -p mnt/source mnt/target ramdisk
		#
		echo "Extracting the packages archives."
		grep "^X" $base/config/$config/packages | cut -f5 -d" " | \
		while read pkg
		do
			xpkg="${pkg#*=}" ; pkg="${pkg%=*}"
		
			for pkgfile in $( pkg_file $xpkg ) ; do
				if [ -z "${pkgfile##*:doc*}" ]
				then
					# simply ignore :doc packages
					continue
				else
					echo "- Extracting $pkgfile ..."
					install_pkg $pkgfile
				fi
			done
		done
		#
		echo "Running ldconfig to create links ..."
		ldconfig -r .
		#
		echo "Running depmod for target system ..."
		depmod -b $PWD -F boot/System.map $pkg_linux_default_release
		echo "Running mkfontscale/mkfontdir and fc-cache ..."
		for dir in usr/X11R7/lib/X11/fonts/* ; do
			[ -d $dir ] || continue
			mkfontscale $dir
			mkfontdir $dir
			fc-cache -v $dir
		done
		#

		echo "Creating 2nd_stage-livecd.img image (this takes some time)... "
		cd $disksdir
		mkdir -p isofs-livecd
		if [ "$image_type" = "isofs" ] ; then
			mkisofs -R -o isofs-livecd/2nd_stage-livecd.img 2nd_stage-livecd
		fi
		if [ "$image_type" = "zisofs" ] ; then
			rm -rf 2nd_stage-livecd-compressed
			mkzftree 2nd_stage-livecd 2nd_stage-livecd-compressed
			mkisofs -z -R -o isofs-livecd/2nd_stage-livecd.img \
				2nd_stage-livecd-compressed
		fi
	fi

	if [ "$create_overlay" = 1 ] ; then
		echo "Creating 2nd stage filesystem overlay:"
		rm -rf $disksdir/2nd_stage-overlay
		mkdir -p $disksdir/2nd_stage-overlay
		cd $disksdir/2nd_stage-overlay
		echo "Replacing some vital files for live useage ..."
		mkdir -p etc/conf
		echo 'export XDM="/usr/bin/kdm"' > etc/conf/xdm
		mkdir -p etc/X11 sbin
		cp -f $confdir/fixedfiles/inittab etc/inittab
		cp -f $confdir/fixedfiles/login-shell sbin/login-shell
		# this got drop once, so we ensure it's +xed.
		chmod 0755 sbin/login-shell
		mkdir -p etc/rc.d/{init,rc{1,2,3,4,5,X}}.d
		root=. install_init grml-x $confdir/fixedfiles/grml-x.init
		#
		echo "Creating home directories and users..."
		mkdir -p home/{rocker,root}
		chown 1000:100 home/rocker
		
		cp -a ../2nd_stage-livecd/etc/{passwd,shadow,group} etc/
		sed -i -e 's,root:.*,root:x:0:0:root:/home/root:/bin/bash,' etc/passwd
		sed -i -e 's,root:.*,root:$1$6BYmvnok$F5z/SyZQr7MuBU7l19lgW/:13300:0:99999:7:::,' etc/shadow
		echo 'rocker:x:1000:100:ROCK Live CD User:/home/rocker:/bin/bash' >> etc/passwd
		echo 'rocker:$1$b3mL1k/q$zneIjKcHqok1T80fp1cPI1:13300:0:99999:7:::' >> etc/shadow
		sed -i -e 's,wheel:x:10:,wheel:x:10:rocker,' etc/group
		sed -i -e 's,video:x:16:,video:x:16:rocker,' etc/group
		sed -i -e 's,sound:x:17:,sound:x:17:rocker,' etc/group
		sed -i -e 's,cdrom:x:29:,cdrom:x:29:rocker,' etc/group
		#
		echo "Creating 2nd_stage-livecd.img image... (this takes some time)... "
		cd $disksdir
		mkdir -p isofs-livecd
		mkisofs -R -o isofs-livecd/2nd_stage-overlay.img 2nd_stage-overlay
		if [ "$image_type" = "isofs" ] ; then
			mkisofs -R -o isofs-livecd/2nd_stage-overlay.img 2nd_stage-overlay
		fi
		if [ "$image_type" = "zisofs" ] ; then
			rm -rf 2nd_stage-overlay-compressed
			mkzftree 2nd_stage-overlay 2nd_stage-overlay-compressed
			mkisofs -z -R -o isofs-livecd/2nd_stage-overlay.img \
				2nd_stage-overlay-compressed
		fi
		# 
		echo "Creating isofs.txt file .."
		echo "DISK1	build/${ROCKCFG_ID}/ROCK/target-finish/isofs-livecd/ ${ROCKCFG_SHORTID}/" \
			> ../isofs_2nd-stage-livecd.txt
	fi
}