# $Id$

PNAME="initscripts"
PVER="0.8.8"
PBUILD="r5"

# enable busybox initscripts y|n
# disabled atm, busybox missing in tree
BUSYBOX_ENABLED="n"
# enable sysvinit initscripts y|n
# disabled, we have replaced sysvinit with systemd
SYSVINIT_ENABLED="n"

SPLIT_PACKAGES="systemd-initscripts"

[[ ${BUSYBOX_ENABLED} = y ]] && SPLIT_PACKAGES+=" busybox-initscripts"
[[ ${SYSVINIT_ENABLED} = y ]] && SPLIT_PACKAGES+=" initscripts"

PCAT="sys-apps"
HOMEPAGE="http://magellan-linux.net"

# the pkgs "coreutils, findutils, sed, gawk, bzip2, tar, rsync, wget"
# are needed to fix the /etc/profile issue
COMMON_DEPEND=">= sys-apps/base-files-0.5
	>= sys-apps/mage-release-0
	>= sys-apps/coreutils-5
	>= sys-apps/findutils-4
	>= virtual/grep
	>= virtual/sed
	>= sys-apps/gawk-3
	>= virtual/bzip2
	>= virtual/tar
	>= net-misc/rsync-2
	>= virtual/wget
	>= virtual/which"

SYSTEMD_DEPEND=">= sys-apps/systemd-28"

SDEPEND="${COMMON_DEPEND}
	${SYSTEMD_DEPEND}"

if [[ ${BUSYBOX_ENABLED} = y ]]
then
	BUSYBOX_DEPEND=">= sys-apps/busybox-1.17"
	SDEPEND="${SDEPEND}
		${BUSYBOX_DEPEND}"
fi

if [[ ${SYSVINIT_ENABLED} = y ]]
then
	SYSVINIT_DEPEND=">= sys-apps/sysvinit-2.88"
	SDEPEND="${SDEPEND}
		${SYSVINIT_DEPEND}"
fi

PROVIDE="virtual/initscripts"

SRCFILE="${PNAME}-${PVER}.tar.bz2"
SRCDIR="${BUILDDIR}/${PNAME}-${PVER}"

sminclude mtools systemd alx

SRC_URI=( mirror://${PNAME}/${SRCFILE} )

SPECIAL_VARS="BLOCKER SYSVINIT_ENABLED BUSYBOX_ENABLED"
SPECIAL_FUNCTIONS="preinstall_common postinstall_common preremove_common"

if [[ ${SYSVINIT_ENABLED} = y ]]
then
split_info_initscripts()
{
	DESCRIPTION="Magellan Initscripts for sysVinit."
	DEPEND="${COMMON_DEPEND}
		${SYSVINIT_DEPEND}"

	BLOCKER="sys-apps/systemd-initscripts sys-apps/busybox-initscripts"
}
fi

split_info_systemd-initscripts()
{
	DESCRIPTION="Magellan Initscripts for systemd."
	DEPEND="${COMMON_DEPEND}
		${SYSTEMD_DEPEND}"

	BLOCKER="sys-apps/initscripts sys-apps/busybox-initscripts"
}

if [[ ${BUSYBOX_ENABLED} = y ]]
then
split_info_busybox-initscripts()
{
	DESCRIPTION="Magellan Initscripts for busybox."
	DEPEND="${COMMON_DEPEND}
		${BUSYBOX_DEPEND}"

	BLOCKER="sys-apps/initscripts sys-apps/systemd-initscripts"
}
fi

src_prepare()
{
	munpack ${SRCFILE} || die
}

src_compile()
{
	cd ${SRCDIR}
	mmake || die
}

common_install()
{
	local method="$1"
	local MCONFIG
	local config_protect_ignore

	cd ${SRCDIR}
	make DESTDIR=${BINDIR} LIBDIR=/usr/lib SBINDIR=/usr/sbin install_${method} || die

	# always keep this files even if the user edited them
	config_protect_ignore="/etc/fstab"
	config_protect_ignore+=" /etc/hostname"
	config_protect_ignore+=" /etc/hosts"
	config_protect_ignore+=" /etc/inittab"
	config_protect_ignore+=" /etc/resolv.conf"
	config_protect_ignore+=" /etc/conf.d/net.eth0"
	config_protect_ignore+=" /etc/conf.d/net.routes"
	minstalldir /etc/env.d || die
	MCONFIG="/etc/env.d/01initscripts"
	mclearconfig || die
	maddconfig "CONFIG_PROTECT_IGNORE=\"${config_protect_ignore}\"" || die
}

if [[ ${SYSVINIT_ENABLED} = y ]]
then
src_install_initscripts()
{
	local flavor="sysvinit"
	local config_protect_ignore
	local MCONFIG

	cd ${SRCDIR}
	common_install ${flavor} || die

	# CONFIG_PROTECT_MASK for /etc/rc.d/init.d
	minstalldir /etc/env.d || die
	MCONFIG="/etc/env.d/01${flavor}"
	mclearconfig || die
	maddconfig 	"CONFIG_PROTECT_MASK=\"/etc/rc.d/init.d\"" || die
	config_protect_ignore+=" /etc/modules.autoload.d/kernel-2.4"
	config_protect_ignore+=" /etc/modules.autoload.d/kernel-2.6"
	config_protect_ignore+=" /etc/modules.autoload"
	maddconfig "CONFIG_PROTECT_IGNORE=\"${config_protect_ignore}\"" || die
}
fi

src_install_systemd-initscripts()
{
	local flavor="systemd"
	local config_protect_ignore
	local MCONFIG

	cd ${SRCDIR}
	common_install ${flavor} || die

# install these binaries for old sysvinit compat only
if [[ ${SYSVINIT_ENABLED} = n ]]
then
	minstalldir /usr/sbin || die
	minstallexec ${SRCDIR}/sysvinit/sbin/rc-config /usr/sbin || die
	minstalldir /etc/rc.d/init.d || die
	minstallfile ${SRCDIR}/sysvinit/rc/functions /etc/rc.d/init.d/ || die
fi

	# CONFIG_PROTECT_MASK for /etc/rc.d/init.d
	MCONFIG="/etc/env.d/01${flavor}"
	minstalldir /etc/env.d || die
	config_protect_ignore+=" /etc/systemd/system"
	mclearconfig || die
	maddconfig "CONFIG_PROTECT_IGNORE=\"${config_protect_ignore}\"" || die

	# alx only: fix issue file for busybox getty
	minstallfile busybox/etc/issue /etc/issue || die

	# on alx we use systemd combined with busybox, so we need default network settings for udhcpc
	minstallfile ${SRCDIR}/busybox/conf.d/network /etc/conf.d/network || die

	# we use systemd-networkd from now on, so we provide a default configuration
	# to auto-enable all NICs via DHCP
	MCONFIG="/etc/systemd/network/default.network"
	minstalldir /etc/systemd/network || die
	mclearconfig
	maddconfig '[Match]' || die
	maddconfig 'Name=en*' || die
	maddconfig || die
	maddconfig '[Network]' || die
	# only use ipv4 on alx
	maddconfig 'DHCP=ipv4' || die
	# required to get the interfaces into the 'configured' state
	# without it systemd-networkd-wait-online will always fail
	maddconfig 'IPForward=yes' || die
	maddconfig || die
	# always use the mac address not the client identifier duid (which is default)
	# because a new machine-id will always be generated at boot with netboot images
	maddconfig '[DHCP]' || die
	maddconfig 'ClientIdentifier=mac' || die
	# always precede dhcp configured dns and ntp servers instead of local configured ones
	maddconfig 'UseDNS=yes' || die
	maddconfig 'UseNTP=yes' || die
#	# set up resolve.conf for systemd-resolved
#	mlink /run/systemd/resolve/resolv.conf /etc/resolv.conf || die
}

if [[ ${BUSYBOX_ENABLED} = y ]]
then
src_install_busybox-initscripts()
{
	local flavor="busybox"
	local config_protect_ignore
	local MCONFIG

	cd ${SRCDIR}
	common_install ${flavor} || die

	# CONFIG_PROTECT_MASK for /etc/rc.d/init.d
	minstalldir /etc/env.d || die
	MCONFIG="/etc/env.d/01${flavor}"
	mclearconfig || die
	maddconfig "CONFIG_PROTECT_MASK=\"/etc/rc.d/init.d\"" || die
	config_protect_ignore+=" /etc/modules.autoload.d/kernel-2.4"
	config_protect_ignore+=" /etc/modules.autoload.d/kernel-2.6"
	config_protect_ignore+=" /etc/modules.autoload"
	maddconfig "CONFIG_PROTECT_IGNORE=\"${config_protect_ignore}\"" || die
	# add conf.d/kernel to protect current udev|mdev configuration
	config_protect_ignore+=" /etc/conf.d/kernel"
	maddconfig "CONFIG_PROTECT_IGNORE=\"${config_protect_ignore}\"" || die
}
fi

postinstall_common()
{
	# emulate seq; its needed to run rc-config
	# this fixes some annyoing warning when building
	# livecd or bootstrapping a system.
	# this hack will be removed when the toolchain is fixed
	if [ ! -f /usr/bin/seq ]
	then
		echo "Using fake 'seq' command ..."
		seq() {
			start=$1
			end=$2
			for ((i=start; i < end+1; i++))
			do
				echo $i
			done
		}
		export -f seq
	fi

# keep this only for transitional purposes
	# do not ask the user about following files
	#
	# if they exist let config_protect process them
	# but then remove the protected files, to keep only the original file
	#
	# file-root is ${MROOT}/etc
	local CONFIG_IGNORE="fstab hostname hosts inittab conf.d/net.eth0 modules.autoload.d/kernel-2.4 modules.autoload.d/kernel-2.6 modules.autoload"
	local i file path
	for i in ${CONFIG_IGNORE}
	do
		file="$(basename ${i})"
		path="$(dirname ${i})/"
		[[ ${path} == ./ ]] && path=""

		rm -f ${MROOT}/etc/${path}._cfg????_${file}
	done

	# initscripts >= 0.5.0: rc file moved to /etc/conf.d/rc
	if [[ -f ${MROOT}/etc/conf.d/rc ]] && [[ -f ${MROOT}/etc/sysconfig/rc ]]
	then
		rm -f ${MROOT}/etc/sysconfig/rc
	fi

	# aliases and i368 got renamed to *.conf
	local i
	for i in aliases i386
	do
		if [[ -f ${MROOT}/etc/modules.d/${i} ]]
		then
			rm ${MROOT}/etc/modules.d/${i}
		fi
	done
}

postinstall_systemd-initscripts()
{
	postinstall_common

	# enable network.service (systemd only)
	#mstartunit network.service

	# use networkd from systemd
	mstartunit systemd-networkd
	mstartunit systemd-resolved
	# required by mcore-register-client
	mstartunit systemd-networkd-wait-online
}

postinstall_sysvinit-initscripts()
{
	postinstall_common

	if [ -f ${MROOT}/etc/rc.d/init.d/functions ]
	then
		# create service state dir mountpoint
		# needed by >=initscripts-0.3.2-r1
		[ ! -d ${MROOT}/var/lib/init.d ] && install -d ${MROOT}/var/lib/init.d

		# mark this dir as undeletable
		touch ${MROOT}/var/lib/init.d/.keep

		if [[ -x ${MROOT}/usr/sbin/rc-config ]]
		then
			echo "Creating Runlevels ..."
			local i
			for i in checkfs cleanfs halt \
				loadkeys localnet modules mountfs \
				network reboot sendsignals \
				setclock swap sysctl consolefont
			do
				echo -e "\tAdded ${i} ..."
				${MROOT}/usr/sbin/rc-config del ${i} > /dev/null
				${MROOT}/usr/sbin/rc-config add ${i} > /dev/null
			done
		fi
	fi
}

postinstall_busybox-initscripts()
{
	postinstall_common

	if [ -f ${MROOT}/etc/rc.d/init.d/functions ]
	then
		# create service state dir mountpoint
		# needed by >=initscripts-0.3.2-r1
		[ ! -d ${MROOT}/var/lib/init.d ] && install -d ${MROOT}/var/lib/init.d

		# mark this dir as undeletable
		touch ${MROOT}/var/lib/init.d/.keep

		if [[ -x ${MROOT}/usr/sbin/rc-config ]]
		then
			echo "Creating Runlevels ..."
			local i
			for i in checkfs cleanfs loadkeys localnet \
				modules mountfs network setclock swap
			do
				echo -e "\tAdded ${i} ..."
				${MROOT}/usr/sbin/rc-config del ${i} > /dev/null
				${MROOT}/usr/sbin/rc-config add ${i} > /dev/null
			done
		fi
	fi
}

preinstall_common()
{
	# ignore this while package building
	if [[ ! -f /.installrc ]]
	then
		local package
		for package in ${BLOCKER}
		do
			if [[ ! -z $(magequery -n ${package##*/}) ]]
			then
				echo -e ${COLRED}
				echo -e "Error: ${package} is installed!!"
				echo -e "This initscript flavor cannot co-exist ${package}."
				echo -e "Please uninstall ${package} first!"
				echo -e ${COLDEFAULT}
				die "${package} found!"
			fi
		done
	fi
}

preinstall_systemd-initscripts()
{
	preinstall_common

	add_conf_prot_mask /etc/env.d /etc/modprobe.d /etc/rc.d/init.d /etc/profile /etc/inputrc \
		/etc/shells /etc/issue /etc/DIR_COLORS /etc/inittab \
		/etc/conf.d/net.sample /etc/conf.d/kernel /etc/conf.d/rc /etc/conf.d/network \
		/etc/systemd/network/default.network

	add_conf_prot_ignore /etc/fstab /etc/group /etc/hostname /etc/hosts /etc/modules.autoload \
		/etc/passwd /etc/shadow /etc/conf.d/clock /etc/conf.d/editor /etc/conf.d/keymap \
		/etc/conf.d/net.routes /etc/locale.conf /etc/vconsole.conf /etc/resolv.conf
}

preinstall_sysvinit-initscripts()
{
	preinstall_common

	add_conf_prot_mask /etc/env.d /etc/modprobe.d /etc/rc.d/init.d /etc/profile /etc/inputrc \
		/etc/shells /etc/issue /etc/DIR_COLORS /etc/inittab \
		/etc/conf.d/net.sample /etc/conf.d/kernel /etc/conf.d/rc /etc/conf.d/network

	add_conf_prot_ignore /etc/fstab /etc/group /etc/hostname /etc/hosts /etc/modules.autoload \
		/etc/passwd /etc/shadow /etc/conf.d/clock /etc/conf.d/editor /etc/conf.d/keymap \
		/etc/conf.d/net.routes /etc/resolv.conf
}

preinstall_busybox-initscripts()
{
	preinstall_common

	add_conf_prot_mask /etc/env.d /etc/modprobe.d /etc/rc.d/init.d /etc/profile /etc/inputrc \
		/etc/shells /etc/issue /etc/DIR_COLORS /etc/inittab \
		/etc/conf.d/net.sample /etc/conf.d/kernel /etc/conf.d/rc /etc/conf.d/network

	add_conf_prot_ignore /etc/fstab /etc/group /etc/hostname /etc/hosts /etc/modules.autoload \
		/etc/passwd /etc/shadow /etc/conf.d/clock /etc/conf.d/editor /etc/conf.d/keymap \
		/etc/conf.d/net.routes /etc/resolv.conf
}

preremove_common()
{
	# protect these files, that they do not get removed from the system
	local CONFIG_IGNORE="fstab hostname hosts"
	for i in ${CONFIG_IGNORE}
	do
		[[ -e ${MROOT}/etc/${i} ]] && touch ${MROOT}/etc/${i}
	done
}

preremove_systemd-initscripts()
{
	preremove_common
}

preremove_sysvinit-initscripts()
{
	preremove-common
}

preremove_busybox-initscripts()
{
	preremove_common
}