#$Id$
#Copyright (c) 2011 Pierre Pronchery <khorben@defora.org>



#variables
[ -z "$FDISK"		] && FDISK="fdisk"
[ -z "$GZIP"		] && GZIP="gzip"
[ -z "$IMAGE_BOOT"	] && IMAGE_BOOT="/usr/mdec/boot"
[ -z "$IMAGE_KERNEL"	] && IMAGE_KERNEL="/netbsd.gz"
[ -z "$IMAGE_SIZE"	] && IMAGE_SIZE="65536"
[ -z "$INSTALLBOOT"	] && INSTALLBOOT="installboot"
[ -z "$LDSO"		] && LDSO="/libexec/ld.elf_so"
[ -z "$MBRLABEL"	] && MBRLABEL="mbrlabel"
[ -z "$MDSETIMAGE"	] && MDSETIMAGE="mdsetimage"
[ -z "$MKFS"		] && MKFS="newfs"
[ -z "$MKISOFS"		] && MKISOFS="makefs -t cd9660"
[ -z "$MOUNT"		] && MOUNT="mount"
[ -z "$UMOUNT"		] && UMOUNT="umount"
[ -z "$VNCONFIG"	] && VNCONFIG="vnconfig"
[ -z "$VND"		] && VND="vnd0"


#functions
#private
#image_image
_image_image_pre()
{
	USAGE="Options for $IMAGE_TYPE on $TARGET:
  IMAGE_BOOT	Path to the bootloader
  IMAGE_FILE	Where to write the filesystem image
  IMAGE_KERNEL	Path to the kernel (optional)
  IMAGE_SIZE	Size of the filesystem image in kilobytes
  IMAGE_TYPE	The type of image to generate
  LDSO		Path to the dynamic loader
  MKFS		Command used to format the filesystem"

	#sanity check
	check "$USAGE" CHOWN DD DESTDIR DEVZERO FDISK IMAGE_BOOT IMAGE_FILE \
		IMAGE_SIZE INSTALL INSTALLBOOT LDSO LN MBRLABEL MKDIR MKFS \
		MKNOD MOUNT MV UMOUNT VNCONFIG VND

	$MKDIR "$DESTDIR"					|| exit 2
	$SUDO $UMOUNT "$DESTDIR"
	$SUDO $VNCONFIG -u "$VND"
	$DD if="$DEVZERO" of="$IMAGE_FILE" count="$IMAGE_SIZE" &&
	$FDISK -Ffi "$IMAGE_FILE"				|| exit 2
	SIZE=$((IMAGE_SIZE * 2 - 63))
	$FDISK -Ffu0s "169/63/$SIZE" "$IMAGE_FILE"		|| exit 2
	$FDISK -Ffa0 "$IMAGE_FILE"				|| exit 2
	$SUDO $VNCONFIG -c "$VND" "$IMAGE_FILE"			|| exit 2
	$SUDO $MBRLABEL -frw "$VND"				&&
	$SUDO $MKFS "${VND}e"					&&
	$SUDO $MOUNT "/dev/${VND}e" "$DESTDIR"			&&
	$SUDO $CHOWN "$UID:$GID" "$DESTDIR"			&&
	$MKDIR "$DESTDIR$PREFIX"
}

_image_image_post()
{
	$SUDO $CHOWN -R "0:0" "$DESTDIR"			&&
	$SUDO $MKDIR "$DESTDIR/bin"				&&
	$SUDO $MV "$DESTDIR$PREFIX/bin/sh" "$DESTDIR/bin/sh"	&&
	$SUDO $MKDIR "$DESTDIR/dev"				&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/console" c 0 0	&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0a" b 0 0		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0b" b 0 1		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0c" b 0 2		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0d" b 0 3		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0e" b 0 4		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0f" b 0 5		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0g" b 0 6		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/hd0h" b 0 7		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0a" c 3 0		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0b" c 3 1		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0c" c 3 2		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0d" c 3 3		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0e" c 3 4		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0f" c 3 5		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0g" c 3 6		&&
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/rhd0h" c 3 7		&&
	$SUDO $MKDIR "$DESTDIR/etc"				&&
	$SUDO $MKDIR "$DESTDIR/libexec" "$DESTDIR/usr/libexec"	&&
	$SUDO $INSTALL -m 555 "$LDSO" \
			"$DESTDIR/libexec/ld.elf_so"		&&
	$SUDO $LN -s "/libexec/ld.elf_so" "$DESTDIR/usr/libexec"&&
	$SUDO $MKDIR "$DESTDIR/proc"				&&
	$SUDO $MKDIR "$DESTDIR/sbin"				&&
	SUBDIRS="Apps/Unix/src/others/tools" target oinit	&&
	$SUDO $INSTALL -m 755 "Apps/Unix/src/others/tools/oinit" \
			"$DESTDIR/sbin/init"			&&
	$SUDO $INSTALL -m 644 "$IMAGE_BOOT" "$DESTDIR/boot"	&&
	BOOT_SPLASH="vesa 640x480x8;boot netbsd"
	if [ -n "$IMAGE_SPLASH" ]; then
		$SUDO $INSTALL -m 644 "$IMAGE_SPLASH" "$DESTDIR/netbsd.jpeg" \
								|| exit 2
		BOOT_SPLASH="vesa 640x480x8;splash /netbsd.jpeg;boot netbsd -z"
	fi
	$SUDO sh -c "cat > $DESTDIR/boot.cfg" << EOF
banner=Welcome to DeforaOS
banner====================
banner=
banner=Please choose an option from the following menu:
menu=Boot DeforaOS:$BOOT_SPLASH
menu=Boot DeforaOS (text mode):boot netbsd
menu=Reboot:quit
menu=Drop to boot prompt:prompt
default=1
timeout=10
EOF
	if [ -n "$IMAGE_KERNEL" ]; then
		$SUDO $INSTALL -m 755 "$IMAGE_KERNEL" "$DESTDIR/netbsd"	&&
		$SUDO $INSTALLBOOT -m "$MACHINE" -o "timeout=10" \
			"/dev/r${VND}e" "/usr/mdec/bootxx_ffsv1"
	fi
	RET=$?
	$SUDO $UMOUNT "$DESTDIR"
	$SUDO $VNCONFIG -u "$VND"
	return $RET
}


#image_iso
_image_iso_pre()
{
	USAGE="Options for $IMAGE_TYPE on $TARGET:
  IMAGE_BOOT	Path to the bootloader
  IMAGE_FILE	Where to write the filesystem image
  IMAGE_KERNEL	Path to the kernel
  IMAGE_RAMDISK	Path to a ramdisk image (optional)
  IMAGE_TYPE	The type of image to generate
  LDSO		Path to the dynamic loader
  MKISOFS	Command used to format the filesystem"
	MKISOFS_ARGS="-o bootimage=i386;bootxx,no-emul-boot,rockridge"

	#sanity check
	check "$USAGE" IMAGE_BOOT IMAGE_FILE IMAGE_KERNEL LDSO MDSETIMAGE \
		MKISOFS
}

_image_iso_post()
{
	$MKDIR "$DESTDIR/dev"					|| exit 2
	$SUDO $MKNOD -m 600 "$DESTDIR/dev/console" c 0 0	|| exit 2
	$MKDIR "$DESTDIR/libexec" "$DESTDIR/usr/libexec"	|| exit 2
	$INSTALL -m 555 "$LDSO" "$DESTDIR/libexec/ld.elf_so"	|| exit 2
	$LN -s "/libexec/ld.elf_so" "$DESTDIR/usr/libexec"	|| exit 2
	$MKDIR "$DESTDIR/sbin"					|| exit 2
	SUBDIRS="Apps/Unix/src/others/tools" target oinit	|| exit 2
	$INSTALL -m 755 "Apps/Unix/src/others/tools/oinit"	\
			"$DESTDIR/sbin/init"			|| exit 2
	$INSTALL -m 755 "$IMAGE_KERNEL" "$DESTDIR/netbsd"	|| exit 2
	if [ -n "$IMAGE_RAMDISK" ]; then
		$MDSETIMAGE "$DESTDIR/netbsd" "$IMAGE_RAMDISK"	|| exit 2
	fi
	$GZIP -9 "$DESTDIR/netbsd"				|| exit 2
	$INSTALL -m 644 "$IMAGE_BOOT" "$DESTDIR/boot"		|| exit 2
	BOOT_SPLASH="vesa 640x480x8;boot netbsd"
	if [ -n "$IMAGE_SPLASH" ]; then
		$SUDO $INSTALL -m 644 "$IMAGE_SPLASH" "$DESTDIR/netbsd.jpeg" \
								|| exit 2
		BOOT_SPLASH="vesa 640x480x8;splash /netbsd.jpeg;boot netbsd -z"
	fi
	$SUDO sh -c "cat > $DESTDIR/boot.cfg" << EOF
banner=Welcome to DeforaOS
banner====================
banner=
banner=Please choose an option from the following menu:
menu=Boot DeforaOS:$BOOT_SPLASH
menu=Boot DeforaOS (text mode):boot netbsd
menu=Reboot:quit
menu=Drop to boot prompt:prompt
default=1
timeout=10
EOF
	$INSTALL -m 644 "/usr/mdec/bootxx_cd9660" "bootxx"	|| exit 2
	$INSTALLBOOT -m "$MACHINE" -o "console=pc" -e bootxx	|| exit 2
	$MKISOFS $MKISOFS_ARGS "$IMAGE_FILE" "$DESTDIR"		|| exit 2
}