#$Id$



#variables
[ -z "$LD" ] && LD="cc -shared -nostdlib"
[ -z "$MKFS" ] && MKFS="mkfs.jffs2 -n -e 0x4000 -l -q -r $DESTDIR -X zlib -o"
#executables
[ -z "$DU" ] && DU="du -h"
[ -z "$MKDIR" ] && MKDIR="mkdir -p"
[ -z "$MV" ] && MV="mv -f"
[ -z "$TAR" ] && TAR="tar"


#includes
source "`dirname $0`/Apps/Devel/src/scripts/targets/Linux"


#functions
#private
_create_directories()
{
	echo
	echo -n "Creating missing directories:"
	while true; do
		echo -n " $1"
		$MKDIR "$DESTDIR/$1"				|| exit 2
		shift || break
	done
	echo
}


#public
target_image()
{
	_create_directories 'bin' 'dev' 'etc' 'lib' 'sbin'

	echo
	echo -n "Fixing installation paths:"
	for i in /lib/libc.so /bin/sh; do
		echo -n " $i"
		$MV "$DESTDIR$PREFIX$i" "$DESTDIR$i"		|| exit 2
	done
	echo

	echo
	echo -n "Creating device nodes:"
	for i in std pty console input fb; do
		echo -n " $i"
		(cd "$DESTDIR/dev" && $SUDO sh /sbin/MAKEDEV "$i")
	done
	echo

	if [ ! -z "$KERNEL_MODULES" ]; then
		echo
		echo "Installing kernel modules:"
		#progress -ef "$KERNEL_MODULES" -- gunzip -c \
		gunzip -c "$KERNEL_MODULES" \
				| (cd "$DESTDIR" && $TAR -xf -)	|| exit 2
	fi

	if [ ! -x "$DESTDIR/sbin/init" ]; then
		echo
		echo -n "Installing init:"
		cat > "$DESTDIR/sbin/init" << EOF
#!/bin/sh

echo "init called with arguments: \$@"
echo "Falling back to interactive mode:"
/bin/sh
EOF
		chmod a+rx "$DESTDIR/sbin/init"
		echo
	fi

	echo
	echo "Building rootfs image:"
	$MKFS "$IMAGE_IMAGE"				|| exit 2
	$DU "$IMAGE_IMAGE"

	echo
	echo "Building tarball:"
	OLDPWD="$PWD"
	(cd "$DESTDIR" && $TAR -cvzf "$OLDPWD/$IMAGE_IMAGE.tar.gz" .) \
	| while read filename; do
		echo -en "\r$filename"
	done || (echo && exit 2)
	echo -en "\r"
	$DU "$IMAGE_IMAGE.tar.gz"
}


target_ramdisk()
{
	target "install"					|| exit 2

	_create_directories 'dev' 'proc' 'mnt/cdrom' 'sbin'

	echo
	echo -n "Building ramdisk image:"
	$MKFS "$RAMDISK_IMAGE"					|| exit 2
	echo
	$DU "$RAMDISK_IMAGE"

	echo
	echo -n "Compressing ramdisk:"
	$GZIP "$RAMDISK_IMAGE"					|| exit 2
	$MV "$RAMDISK_IMAGE.gz" "$RAMDISK_IMAGE"		|| exit 2
	echo
	$DU "$RAMDISK_IMAGE"
}