# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: target/early/build-initramfs.in
# Copyright (C) 2007 - 2009 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

INITRAMFS_POSTINSTALL_HOOK='early_adjust_initrd'

# flatten
ln -s . ${rootfs}/usr

# don't break /tmp when flattening
INITRAMFS_INSTALL_PATTERN="$INITRAMFS_INSTALL_PATTERN -e '/ usr\/tmp/d;'"

INITRAMFS_EMPTY_PATTERN="-e '/\.\/rootfs/d;'"

# initramfs_install <pkg_name> <sandbox> <rootfs>
initramfs_install() {
	local root="$2" initrddir="$3"
	case "$1" in
		udev)	cp -a "$root/lib/udev/devices"/* "$initrddir/dev/"
			return 0 ;;
		hotplug2)
			cp "$root/sbin/hotplug2-modwrap" "$initrddir/sbin/"
			;;
		strace)
			cp "$root/usr/bin/strace" "$initrddir/bin/"
			;;
		sysfiles)
			for x in etc/{,SDE-}VERSION etc/{passwd,group} etc/rc.d/functions{,-ansi}.in; do
				cp "$root/$x" "$initrddir/$x"
			done
			for x in etc/{fstab,hosts,resolv.conf}; do
				touch "$initrddir/$x"
			done
			;;
		dietlibc)
			# skip
			;;
		*)	return 0 ;;
	esac
	return 1
}

early_adjust_initrd() {
	echo_status "Tweaking initrd ..."
	for x in var/spool/{locks,mail} \
		usr/{doc,info,man,opt,spool} etc/{rc.d/,}init.d usr
		do
			rm ${rootfs}/$x
	done

	mkdir "${rootfs}/rootfs"

	# HACK: bb's modprobe needs insmod on PATH, but udev clears it
	# HACK: additionaly bb's modprobe doesn't handle MODALIAS properly
	# HACK: so we use our own wrapper on top of bb's
	rm ${rootfs}/sbin/modprobe
}

initramfs_install_pattern() {
	local pkg_name="$1"; shift

	case "$pkg_name" in
	udev)
		echo -n "-n -e '/etc\/udev\//p;' -e '/lib.*\/udev\/devices\//p;' -e '/lib\/udev\/.*_id$/p;' "
		echo "-e '/sbin\/\(udevd\|udevadm\)$/P'"
		;;
	lvm2)
		echo "$@ -e '/sbin\/lvmdump$/d;'"
		;;
	fhs)
		echo "-e '/\/local\(\|\/.*\)$/d;' $@"
		;;
	*)
		echo "$@"
		;;
	esac
}