# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=5

KDE_HANDBOOK="optional"
KMNAME="kde-workspace"
inherit systemd kde4-meta flag-o-matic user

DESCRIPTION="KDE login manager, similar to xdm and gdm"
KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux ~x86-linux"
IUSE="debug +consolekit kerberos logind pam"

DEPEND="
	$(add_kdebase_dep libkworkspace)
	media-libs/qimageblitz
	x11-libs/libX11
	x11-libs/libXau
	x11-libs/libXdmcp
	x11-libs/libXtst
	consolekit? (
		>=sys-apps/dbus-1.0.2
		sys-auth/consolekit
	)
	kerberos? ( virtual/krb5 )
	pam? (
		$(add_kdebase_dep kcheckpass)
		virtual/pam
	)
"
RDEPEND="${DEPEND}
	$(add_kdebase_dep kdepasswd)
	>=x11-apps/xinit-1.0.5-r2
	x11-apps/xmessage
"

KMEXTRA="
	libs/kdm/
"

PATCHES=(
	"${FILESDIR}/${PN}-4-gentoo-xinitrc.d.patch"
	"${FILESDIR}/kdebase-workspace-4.4.92-kdm_plymouth081.patch"
	"${FILESDIR}/kde-workspace-4.10.90-kdm-logind-multiseat.patch"
	"${FILESDIR}/kde-workspace-4.8.0-bug796969.patch"
)

pkg_setup() {
	kde4-meta_pkg_setup

	# Create kdm:kdm user
	KDM_HOME=/var/lib/kdm
	enewgroup kdm
	enewuser kdm -1 -1 "${KDM_HOME}" kdm
}

src_configure() {
	mycmakeargs=(
		$(cmake-utils_use kerberos KDE4_KRB5AUTH)
		$(cmake-utils_use_with pam)
		$(cmake-utils_use_with consolekit CkConnector)
	)

	kde4-meta_src_configure
}

src_install() {
	export GENKDMCONF_FLAGS="--no-old --no-backup"

	kde4-meta_src_install

	# an equivalent file is already installed by kde-base/startkde, bug 377151
	rm "${ED}/usr/share/apps/kdm/sessions/kde-plasma.desktop" || die

	# Customize the kdmrc configuration:
	# - SessionDirs set to /usr/share/xsessions
	# - increase server timeout to 30s
	# - TerminateServer=true to workaround X server regen bug, bug 278473
	# - DataDir set to /var/lib/kdm
	# - FaceDir set to /var/lib/kdm/faces
	sed -e "s|^.*SessionsDirs=.*$|#&\nSessionsDirs=${EPREFIX}/usr/share/apps/kdm/sessions,${EPREFIX}/usr/share/xsessions|" \
		-e "/#ServerTimeout=/s/^.*$/ServerTimeout=30/" \
		-e "/#TerminateServer=/s/^.*$/TerminateServer=true/" \
		-e "s|^.*DataDir=.*$|#&\nDataDir=${EPREFIX}${KDM_HOME}|" \
		-e "s|^.*FaceDir=.*$|#&\nFaceDir=${EPREFIX}${KDM_HOME}/faces|" \
		-e "s|themes/elarun$|themes/kogaion|" \
		-i "${ED}"/usr/share/config/kdm/kdmrc \
		|| die "Failed to set ServerTimeout and SessionsDirs correctly in kdmrc."

	# Don't install empty dir
	rmdir "${ED}"/usr/share/config/kdm/sessions

	# Set up permissions to kdm work directory
	keepdir "${KDM_HOME}"
	fowners root:kdm "${KDM_HOME}"
	fperms 1770 "${KDM_HOME}"

	# install logrotate file
	insinto /etc/logrotate.d
	newins "${FILESDIR}"/kdm-logrotate kdm

	systemd_dounit "${FILESDIR}"/kdm.service
}

pkg_postinst() {
	kde4-meta_pkg_postinst

	local file src dest dir old_dirs=(
		/var/lib/kdm-live
		/var/lib/kdm-4.6
		/var/lib/kdm-4.5
		/var/lib/kdm-4.4
		/usr/share/apps/kdm
		/usr/kde/4.4/share/apps/kdm
		/usr/kde/4.3/share/apps/kdm
		/usr/kde/4.2/share/apps/kdm
	)

	mkdir -p "${EROOT}${KDM_HOME}/faces"
	# Set the default kdm face icon if it's not already set by the system admin
	# because this is user-overrideable in that way, it's not in src_install
	for file in faces/.default.face.icon:default1.png faces/root.face.icon:root1.png kdmsts: ; do
		src=${file#*:}
		dest=${file%:*}
		if [[ ! -e ${EROOT}${KDM_HOME}/$dest ]]; then
			for dir in "${old_dirs[@]}"; do
				if [[ -e ${EROOT}${dir}/${dest} ]]; then
					cp "${EROOT}${dir}/${dest}" "${EROOT}${KDM_HOME}/${dest}"
					break 2
				fi
			done
			if [[ -n ${src} ]]; then
				cp "${EROOT}/usr/share/apps/kdm/pics/users/${src}" \
					"${EROOT}${KDM_HOME}/${dest}"
			fi
		fi
	done
	for dir in "${old_dirs[@]}"; do
		if [[ ${dir} != /usr/* && -d ${EROOT}${dir} ]]; then
			echo
			elog "The directory ${EROOT%/}${dir} still exists from an older installation of KDE."
			elog "You may wish to copy relevant settings into ${EROOT%/}${KDM_HOME}."
			echo
			elog "After doing so, you may delete the directory."
			echo
		fi
	done

	# Make sure permissions are correct -- old installations may have
	# gotten this wrong
	use prefix || chown root:kdm "${EROOT}${KDM_HOME}"
	chmod 1770 "${EROOT}${KDM_HOME}"

	# kdm 4.10 and logind have troubles if xdm is in the boot runlevel
	if ! use consolekit && use logind; then
		local xdm_boot="${EROOT}/etc/runlevels/boot/xdm"
		local xdm_default="${EROOT}/etc/runlevels/default/xdm"
		if [ -e "${xdm_boot}" ]; then
			einfo "Moving xdm from boot runlevel to default (due to logind)"
			mv "${xdm_boot}" "${xdm_default}" || die
		fi
	fi
}