#!/bin/sh

# initramfs hook for live-initramfs (Debian Live)

set -e

# initramfs-tools header

PREREQ=""

prereqs()
{
	echo "${PREREQ}"
}

case "${1}" in
	prereqs)
		prereqs
		exit 0
		;;
esac

. /usr/share/initramfs-tools/hook-functions

# live-initramfs hook

# Handling live-initramfs

# Configuration
if [ -r /etc/live.conf ]
then
	. /etc/live.conf

	mkdir -p "${DESTDIR}"/etc
	cp /etc/live.conf "${DESTDIR}"/etc
fi

mkdir -p "${DESTDIR}"/usr/share/live-initramfs
cp /usr/share/live-initramfs/languagelist "${DESTDIR}"/usr/share/live-initramfs

# Directories
mkdir -p "${DESTDIR}"/lib/live-initramfs

# Executables
copy_exec /usr/share/live-initramfs/live-reconfigure /bin
copy_exec /usr/share/live-initramfs/live-preseed /bin
copy_exec /usr/share/live-initramfs/live-set-selections /bin

# Scripts
cp /usr/share/initramfs-tools/scripts/live-functions "${DESTDIR}"/scripts
cp /usr/share/initramfs-tools/scripts/live-helpers "${DESTDIR}"/scripts

# klibc dependencies
for FILE in /lib/libacl* /lib/libblkid* /lib/libuuid* /lib/libdevmapper* /lib/libattr*
do
	if [ ! -e "${DESTDIR}"/"${FILE}" ]
	then
		cp -a "${FILE}" "${DESTDIR}"/"${FILE}"
	fi
done

# udev dependencies (squeeze and newer)
for FILE in /lib/udev/*_id
do
	if [ ! -e "${DESTDIR}/${FILE}" ]
	then
		mkdir -p "${DESTDIR}/lib/udev"
		copy_exec "${FILE}" /lib/udev
	fi
done

# Handling other stuff

# Configuration: keymap (usefull when using encryption)
if [ -x /bin/loadkeys ] && [ -r /etc/console/boottime.kmap.gz ]
then
	copy_exec /bin/loadkeys /bin

	mkdir -p "${DESTDIR}"/etc
	cp /etc/console/boottime.kmap.gz "${DESTDIR}"/etc
fi

# Configuration: Unique ID
if [ -n "${LIVE_GENERATE_UUID}" ]
then
	mkdir -p "${DESTDIR}"/conf
	uuidgen -r > "${DESTDIR}"/conf/uuid.conf
fi

# Filesystem: cifs
if [ -x /sbin/mount.cifs ]
then
	copy_exec /sbin/mount.cifs /sbin
        manual_add_modules cifs
fi

# Filesystem: ext3/ext4
manual_add_modules ext3
manual_add_modules ext4

# Filesystem: jffs2
manual_add_modules jffs2

if [ -x /usr/bin/rsync ]
then
	copy_exec /usr/bin/rsync /bin
fi

# Filesystem: squashfs
copy_exec /sbin/losetup /sbin
manual_add_modules loop
manual_add_modules squashfs
manual_add_modules sqlzma
manual_add_modules unlzma

# Filesystem: aufs/unionfs
manual_add_modules aufs
manual_add_modules unionfs

# Filesystem: unionfs-fuse
if [ -x /usr/bin/unionfs-fuse ]
then
	copy_exec /usr/bin/unionfs-fuse /bin
fi

# Filesystem: vfat
manual_add_modules nls_cp437
manual_add_modules nls_iso8859-1
manual_add_modules nls_utf8
manual_add_modules vfat

# Filesystem: ntfs
manual_add_modules ntfs

# Hardware: cdrom
manual_add_modules ide-cd
manual_add_modules ide-generic
manual_add_modules ohci1394
manual_add_modules sbp2
manual_add_modules sr_mod

# Hardware: usb
manual_add_modules sd_mod

# Hardware: network
auto_add_modules net

# Program: eject
if [ -x /usr/bin/eject ]
then
	copy_exec /usr/bin/eject /bin
fi

# Program: md5sum
copy_exec /usr/bin/md5sum /bin

# Program: cpio
# busybox and klibc lacks --no-absolute-filenames and --sparse, needed for snapshots
if [ -e "${DESTDIR}/bin/cpio" ]
then
	# Override already present cpio's, mostly klibc's
	rm "${DESTDIR}/bin/cpio"
fi
copy_exec /bin/cpio /bin

# Program: udev
if [ -x /sbin/udevadm ]
then
	# lenny
	copy_exec /sbin/udevadm /sbin
else
	# etch
	copy_exec /sbin/udevtrigger /sbin
	copy_exec /sbin/udevsettle /sbin
fi
if [ -x /usr/bin/udevinfo ]
then
	copy_exec /usr/bin/udevinfo /bin
fi

# Program: wget
if [ -x /usr/bin/wget ]
then
	copy_exec /usr/bin/wget /bin
fi

# Program: blockdev
if [ -x /sbin/blockdev ]
then
	copy_exec /sbin/blockdev /sbin
fi

# FUSE kernel module
manual_add_modules fuse

# FUSE filesystem: httpfs2
if [ -x /usr/bin/httpfs2_ssl ]
then
	copy_exec /usr/bin/httpfs2_ssl /bin/httpfs
elif [ -x /usr/bin/httpfs2 ]
then
	copy_exec /usr/bin/httpfs2 /bin/httpfs
fi

# FUSE filesystem: curlftpfs
if [ -x /usr/bin/curlftpfs ]
then
	copy_exec /usr/bin/curlftpfs /bin
fi