# $Id$

PNAME="systemd"
PVER="37"
PBUILD="r3"

SPLIT_PACKAGES="systemd systemd-tools"
PCATEGORIE="sys-apps"

HOMEPAGE="http://www.freedesktop.org/wiki/Software/systemd"

# enable sysvinit support atm for compatibility reasons
# y=yes, n=no
SYSVINIT_SUPPORT="n"
SPECIAL_VARS="SYSVINIT_SUPPORT"

COMMON_DEPEND=">= sys-apps/dbus-1.5
	>= sys-fs/udev-172
	>= dev-libs/dbus-glib-0.98
	>= sys-apps/tcp-wrappers-7.6
	>= sys-libs/pam-1.1
	>= sys-libs/libcap-2.20
	>= sys-apps/util-linux-2.20
	>= sys-apps/shadow-4.1
	>= sys-apps/sysvinit-tools-2.88"

TOOLS_DEPEND=">= x11-libs/gtk2+-2.24
	>= dev-python/dbus-python-0.84
	>= sys-apps/polkit-0.102"

if [[ ${SYSVINIT_SUPPORT} = y ]]
then
	DEPEND="${DEPEND}
		>= sys-apps/sysvinit-2.88"
fi

SDEPEND=">= app-text/docbook-xsl-stylesheets-1.76
	>= dev-libs/libcgroup-0.37
	>= dev-libs/libxslt-1.1.26
	>= dev-lang/vala-0.12
	>= dev-util/intltool-0.41
	>= dev-util/gperf-3
	>= virtual/kernel-headers
	>= x11-libs/libnotify-0.7.3"

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

sminclude mtools

SRC_URI=(
	http://www.freedesktop.org/software/${PNAME}/${SRCFILE}
	mirror://${PNAME}/${SRCFILE}
	mirror://${PNAME}/${PNAME}-37-magellan.patch
	mirror://${PNAME}/${PNAME}-33-magellan-configurable-getty-5.patch
	mirror://${PNAME}/login-manager.pamd
	mirror://${PNAME}/${PNAME}-${PVER}-unit-fix-complementing-of-requirement-deps-with-after.patch
	mirror://${PNAME}/${PNAME}-${PVER}-manager-fix-a-crash-in-isolating.patch
	mirror://${PNAME}/${PNAME}-${PVER}-systemctl-completion-always-invoke-with-no-legend.patch
	mirror://${PNAME}/${PNAME}-${PVER}-mount-order-remote-mounts-after-both-network.target-and-remote-fs-pre.target.patch
	mirror://${PNAME}/${PNAME}-${PVER}-units-drop-install-section-from-remote-fs-pre.target.patch
)

UP2DATE="updatecmd http://www.freedesktop.org/software/systemd/ | lasttarball"

split_info_systemd()
{
	DESCRIPTION="System and Session Manager."
	DEPEND="${COMMON_DEPEND}"
}

split_info_systemd-tools()
{
	DESCRIPTION="Systemd utilites for gtk2/gnome and for analysing the boot process."
	DEPEND="== sys-apps/systemd-${PVER}
		${TOOLS_DEPEND}"
}

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

	# apply our magellan patch
	mpatch ${PNAME}-37-magellan.patch || die

	# magellan-only: use a configurable getty
	mpatch ${PNAME}-33-magellan-configurable-getty-5.patch || die

	# upstream and fedore patches
	# from fedora:
	# revert this one for https://bugzilla.redhat.com/show_bug.cgi?id=741078
	# must keep until https://bugzilla.redhat.com/show_bug.cgi?id=741115 is fixed.
	patch -Np1 -R -i ${SOURCEDIR}/${PNAME}/${PNAME}-${PVER}-unit-fix-complementing-of-requirement-deps-with-after.patch || die
	#
	# some post-v37 patches from upstream:
	mpatch ${PNAME}-${PVER}-manager-fix-a-crash-in-isolating.patch || die
	mpatch ${PNAME}-${PVER}-systemctl-completion-always-invoke-with-no-legend.patch || die
	mpatch ${PNAME}-${PVER}-mount-order-remote-mounts-after-both-network.target-and-remote-fs-pre.target.patch || die
	mpatch ${PNAME}-${PVER}-units-drop-install-section-from-remote-fs-pre.target.patch || die

	# regen configure
	mautoreconf || die
}

src_compile()
{
	cd ${SRCDIR}

	mconfigure \
		--with-distro=magellan \
		--libexecdir=/usr/$(mlibdir)/${PNAME} \
		--with-pamlibdir=/$(mlibdir)/security \
		--with-rootdir=/ \
		--enable-gtk \
		--enable-pam \
		--enable-tcpwrap \
		--disable-audit \
		--disable-selinux \
		|| die

	mmake || die
}

src_install_systemd()
{
	cd ${SRCDIR}
	mmake DESTDIR=${BINDIR} install || die

# omit for now as pretty_print works
# 	# install os-release file
# 	cat > ${BINDIR}/etc/os-release << EOF
# NAME="Magellan Linux"
# ID=magellan
# PRETTY_NAME="Magellan Linux"
# ANSI_COLOR="1;34"
# EOF

	# keep some directories
	mkeepdir /run || die
	mkeepdir /etc/modules-load.d || die

if [[ ${SYSVINIT_SUPPORT} != y ]]
then
echo "Include SysV init Compat symlinks"
	# create SysV compatibility symlinks. systemctl/systemd are smart
	# enough to detect in which way they are called.
	minstalldir /sbin || die
	mlink ../bin/systemd /sbin/init || die
	local i
	for i in reboot halt poweroff shutdown telinit runlevel
	do
		mlink ../bin/systemctl /sbin/${i} || die
	done
else
echo "Using sysvinit package for SysV compat"
fi

	# we create all wants links manually at installation time to make sure
	# they are not owned and hence overriden by mage after the user deleted
	# them.
	rm -r ${BINDIR}/etc/systemd/system/*.target.wants || die
	# but make sure these directories are properly owned
	mkeepdir /lib/systemd/system/basic.target.wants || die
	mkeepdir /lib/systemd/system/default.target.wants || die
	mkeepdir /lib/systemd/system/dbus.target.wants || die
	mkeepdir /lib/systemd/system/syslog.target.wants || die

	# login-manager pam policy - force register kdm, gdm etc with pam_systemd
	minstallpam login-manager.pamd login-manager || die

	minstalldocs DISTRO_PORTING LICENSE README TODO || die

	# remove files which are owned by other packages
	rm ${BINDIR}/usr/bin/systemadm || die
	rm ${BINDIR}/usr/bin/systemd-analyze || die
	rm ${BINDIR}/usr/bin/systemd-gnome-ask-password-agent || die
	rm ${BINDIR}/usr/share/man/man1/systemadm.* || die
}

src_install_systemd-tools()
{
	cd ${SRCDIR}
	minstallexec systemadm || die
	minstallexec systemd-analyze || die
	minstallexec systemd-gnome-ask-password-agent || die
	minstallman man/systemadm.1 || die
}

preinstall_systemd()
{
	if [[ ${SYSVINIT_SUPPORT} = n ]]
	then
		if [[ ! -z $(magequery -n sysvinit) ]]
		then
			echo -e ${COLRED}
			echo -e "Error: sys-apps/sysvinit is installed!!"
			echo -e "sysvinit is now replaced by systemd which is the new default init system."
			echo -e "Please uninstall sys-apps/sysvinit first!"
			echo -e ${COLDEFAULT}
			die "sys-apps/sysvinit found!"
		fi
	fi

	# adding lock group
	${MLIBDIR}/mgroupadd -o "-g 54" lock
}

postinstall_systemd()
{
	# try to read default runlevel from the old inittab if it exists
	local runlevel
	runlevel=$(awk -F ':' '$3 == "initdefault" && $1 !~ "^#" { print $2 }' ${MROOT}/etc/inittab 2> /dev/null)
	local target
	if [[ -z ${runlevel} ]]
	then
		target="/lib/systemd/system/graphical.target"
	else
		target="/lib/systemd/system/runlevel${runlevel}.target"
	fi
	# and symlink what we found to the new-style default.target
	ln -snf ${target} ${MROOT}/etc/systemd/system/default.target

	# convert modules.autoload
	if [ -f ${MROOT}/etc/modules.autoload ]
	then
		local modules
		# get only lines which are not commented or empty;
		# if we get any items than the modules.autoload is in use
		modules=$(sed -e '/^#/d' -e '/^$/d' ${MROOT}/etc/modules.autoload)
		if [[ ! -z ${modules} ]]
		then
			[ ! -d ${MROOT}/etc/modules-load.d ] && install -d ${MROOT}/etc/modules-load.d
			echo -e "# Converted by systemd install from /etc/modules.autoload\n#\n#" \
				> ${MROOT}/etc/modules-load.d/modules.autoload.conf
			cat  ${MROOT}/etc/modules.autoload \
				>> ${MROOT}/etc/modules-load.d/modules.autoload.conf
		fi
	fi

	# check mtab, and replace with a symlink if required
	if [[ ! -L ${MROOT}/etc/mtab ]] || \
		[[ $(readlink ${MROOT}/etc/mtab) != /proc/self/mounts ]]
	then
		ln -snf /proc/self/mounts ${MROOT}/etc/mtab
	fi

	if [[ -z ${MROOT} ]] ||  [[ ${MROOT} = / ]]
	then
		# create machine-id
		if [ ! -f /etc/machine-id ]
		then
			systemd-machine-id-setup
		fi

		# restart systemd daemon
		systemctl daemon-reexec

		# restart systemd-logind daemon
		systemctl try-restart systemd-logind.service

		# enable the services we install by default.
		systemctl enable \
			getty@.service \
			remote-fs.target \
			systemd-readahead-replay.service \
			systemd-readahead-collect.service
	fi

	echo
	echo "systemd has been installed to /bin/systemd. Please ensure you append"
	echo "init=/bin/systemd to your kernel command line in your bootloader."
	echo
}