# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# 
# Filename: target/share/initramfs.in
# Copyright (C) 2007 - 2008 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 ---

# functions
#

# list the packages active for stage 1
initramfs_list_stage1() {
	grep '^X .1' $base/config/$config/packages | cut -d' ' -f5
}

# install a package based on the flist and a given filter
initramfs_install_flist() {
	local pkg_name="$1" sandbox="$2" rootfs="$3"
	local flist="$sandbox/var/adm/flists/$pkg_name"
	shift 3

	sed "$@" "$flist" | cut -f2- -d' ' |
		tar -C "$sandbox/" -cf- --no-recursion --files-from=- |
		tar -C "$rootfs" -xf-
}

# apply an overlay
initramfs_install_overlay() {
	local overlaydir="$1" rootfs="$2"
	local file= source= target= ext=
	local type= mode= ref= targetdir=

	for file in $overlaydir/*; do
		source="${file##*/}"
		ext="${file##*.}"

		case "$ext" in
			sh|exec|txt|patch|ln)
				case "$ext" in
					sh|exec)	type='exec'; mode=0755	;;
					*)		type="$ext"; mode=0644	;;
				esac
				target="$( echo ${source%.$ext} | tr '_%' '/_' )"
				targetdir="$rootfs/$target"; targetdir="${targetdir%/*}"
				;;
			*)	continue ;;
		esac

		case "$type" in
			exec|txt)
				echo_status "injecting $target ($type)"
				mkdir -p "$targetdir"
				cp -f "$file" "$rootfs/$target"
				chmod $mode "$rootfs/$target"
				;;
			ln)	ref=$( cat "$file" )
				echo_status "injecting $target -> $ref"
				mkdir -p "$targetdir"
				ln -snf "$ref" "$rootfs/$target"
				;;
			patch)
				echo_status "$(patch -p1 -d "${rootfs}" 2>&1 < $file )"
				;;
		esac
	done
}

# weak functions
#

# should this package be extracted by flist or not?
# initramfs_install <pkg_name> <sandbox> <rootfs>
initramfs_install() { true; }

# what arguments should it pass to sed to filter the flist?
# initramfs_install_pattern <pkg_name> <default_patterns>
initramfs_install_pattern() { shift; echo "$@"; }