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#!/bin/sh
# Hacks to inject code into various live-build functions

# ISO sorting
if [ "$(basename "$0")" = "lb_binary_iso" ]; then
	echo "HOOK: livebuild-hacks@binary_iso"
	In_list ()
	{
		. "${LB_BASE}"/functions/aliases.sh
		In_list "$@"
		RC=$?
		if [ -f config/binary_iso/isoimage.sort ]
		then
			GENISOIMAGE_OPTIONS="${GENISOIMAGE_OPTIONS} -sort isoimage.sort"

			case "${LB_BUILD_WITH_CHROOT}" in
				true)
					cp config/binary_iso/isoimage.sort chroot
					;;

				false)
					cp config/binary_iso/isoimage.sort .
					;;
			esac
		fi
		case "$LB_BOOTLOADER" in
		grub2|burg)
			LB_BINARY_IMAGES=iso
			;;
		esac
		return $rc
	}
fi

# Grub2: Do not number the default kernel / initrd files.
if [ "$(basename "$0")" = "lb_binary_grub2" ]; then
	echo "HOOK: livebuild-hacks@binary_grub2"
	Overload_Grub_live_entry ()
	{
		Grub_live_entry ()
		{
			echo "HACK: overloaded Grub_live_entry called."
			LABEL="${1}"
			KERNEL="${2}"
			INITRD="${3}"
			APPEND="${4}"

			case "${LB_BINARY_IMAGES}" in
				iso*|usb*)
					if [ "${LABEL}" = "live" ]
					then
						# Do not number the default kernel / initrd files.
						_NUMBER=""
					else
						# Use order of flavours in LB_LINUX_FLAVOURS for numbering.
						_NUMBER="$(echo ${LB_LINUX_FLAVOURS} | awk -v FLAVOUR="${FLAVOUR}" 'BEGIN{RS=" "} {if($1 == FLAVOUR) print NR}')"
					fi

					if [ -e binary/${KERNEL} ]
					then
						mv binary/${KERNEL} "binary/$(dirname ${KERNEL})/vmlinuz${_NUMBER}" | :
						KERNEL="$(dirname ${KERNEL})/vmlinuz${_NUMBER}"
					fi

					if [ -e binary/${INITRD} ]
					then
						mv binary/${INITRD} "binary/$(dirname ${INITRD})/initrd${_NUMBER}.img" | :
						INITRD="$(dirname ${INITRD})/initrd${_NUMBER}.img"
					fi
				;;
			esac

			LINUX_LIVE="${LINUX_LIVE}\nmenuentry \"Debian GNU/Linux - ${LABEL}\" {"
			LINUX_LIVE="${LINUX_LIVE}\nlinux\t\t/${KERNEL} boot=${INITFS} config LB_BOOTAPPEND_LIVE ${APPEND}"
			LINUX_LIVE="${LINUX_LIVE}\ninitrd\t\t/${INITRD}"
			LINUX_LIVE="${LINUX_LIVE}\n}"
		}
	}
	Check_multiarchitectures ()
	{
		. "${LB_BASE}"/functions/architectures.sh
		Check_multiarchitectures "$@"
		Overload_Grub_live_entry
		RC=$?
		return $RC
	}
	Check_multiarchitecture ()
	{
		. "${LB_BASE}"/functions/architecture.sh
		Check_multiarchitecture "$@"
		Overload_Grub_live_entry
		RC=$?
		return $RC
	}
fi