# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="2"

inherit eutils pam gnome2 autotools

DESCRIPTION="GNOME Display Manager"
HOMEPAGE="http://www.gnome.org/projects/gdm/"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64"

IUSE_LIBC="elibc_glibc"
IUSE="accessibility +consolekit debug ipv6 gnome-keyring selinux tcpd test xinerama +xklavier $IUSE_LIBC"

# Name of the tarball with gentoo specific files
GDM_EXTRA="${PN}-2.20.9-gentoo-files-r1"

SRC_URI="${SRC_URI}
	mirror://gentoo/${PN}-2.26-gentoo-patches.tar.bz2
	mirror://gentoo/${GDM_EXTRA}.tar.bz2"

# FIXME: gdm has a strange behaviour on reboot (from runlevel), especially when xdm tries to stop it (its blocks).
# NOTE: x11-base/xorg-server dep is for X_SERVER_PATH etc, bug 295686
RDEPEND=">=sys-apps/devicekit-power-008
	>=dev-libs/dbus-glib-0.74
	>=dev-libs/glib-2.15.4
	>=x11-libs/gtk+-2.10.0
	>=x11-libs/pango-1.3
	>=media-libs/libcanberra-0.4[gtk]
	>=gnome-base/libglade-2
	>=gnome-base/gconf-2.6.1
	>=gnome-base/gnome-panel-2
	xklavier? ( >=x11-libs/libxklavier-4 )
	x11-libs/libXft
	app-text/iso-codes

	x11-base/xorg-server
	x11-libs/libXi
	x11-libs/libXau
	x11-libs/libX11
	x11-libs/libXext
	x11-apps/sessreg
	x11-libs/libXdmcp
	virtual/pam
	consolekit? (
		sys-auth/consolekit
		>=sys-apps/hal-0.5.12_rc1-r1[consolekit] )

	accessibility? ( x11-libs/libXevie )
	gnome-keyring? ( >=gnome-base/gnome-keyring-2.22[pam] )
	selinux? ( sys-libs/libselinux )
	tcpd? ( >=sys-apps/tcp-wrappers-7.6 )
	xinerama? ( x11-libs/libXinerama )

	!gnome-extra/fast-user-switch-applet"
DEPEND="${RDEPEND}
	test? ( >=dev-libs/check-0.9.4 )
	xinerama? ( x11-proto/xineramaproto )
	sys-devel/gettext
	x11-proto/inputproto
	>=dev-util/intltool-0.40
	>=dev-util/pkgconfig-0.19
	>=app-text/scrollkeeper-0.1.4
	>=app-text/gnome-doc-utils-0.3.2"
PDEPEND=">=sys-auth/pambase-20090430[consolekit=,gnome-keyring=]"

DOCS="AUTHORS ChangeLog NEWS README TODO"

pkg_setup() {
	# PAM is the only auth scheme supported
	# even though configure lists shadow and crypt
	# they don't have any corresponding code
	G2CONF="${G2CONF}
		--disable-schemas-install
		--localstatedir=/var
		--with-xdmcp=yes
		--enable-authentication-scheme=pam
		--with-pam-prefix=/etc
		SOUND_PROGRAM=/usr/bin/gdmplay
		$(use_with accessibility xevie)
		$(use_enable debug)
		$(use_enable ipv6)
		$(use_with consolekit console-kit)
		$(use_with selinux)
		$(use_with tcpd tcp-wrappers)
		$(use_with xinerama)"

	enewgroup gdm
	enewuser gdm -1 -1 /var/lib/gdm gdm
}

src_prepare() {
	gnome2_src_prepare

	# remove unneeded linker directive for selinux (#41022)
	epatch "${WORKDIR}/${PN}-2.26.1-selinux-remove-attr.patch"

	# Make it daemonize so that the boot process can continue (#236701)
	epatch "${FILESDIR}/${PN}-2.29.92-fix-daemonize-regression.patch"

	## Fix VT grab problem causing GDM to grab VT2 instead of 7 (#261339)
	## would destroy user switch funcionality see c19 on #261339 
	#epatch "${WORKDIR}/${PN}-2.26.1-broken-VT-detection.patch"

	# Make custom session work, bug #.
	epatch "${FILESDIR}/${PN}-2.29.92-custom-session.patch"

	# ssh-agent handling must be done at xinitrc.d
	epatch "${WORKDIR}/${PN}-2.26.1-xinitrc-ssh-agent.patch"

	# Fix libxklavier automagic support
	epatch "${WORKDIR}/${PN}-2.26.1-automagic-libxklavier-support.patch"

	intltoolize --force --copy --automake || die "intltoolize failed"
	eautoreconf
}

src_install() {
	gnome2_src_install

	local gentoodir="${WORKDIR}/${GDM_EXTRA}"

	# gdm-binary should be gdm to work with our init (#5598)
	rm -f "${D}/usr/sbin/gdm"
	dosym /usr/sbin/gdm-binary /usr/sbin/gdm

	# our x11's scripts point to /usr/bin/gdm
	dosym /usr/sbin/gdm-binary /usr/bin/gdm

	# log, etc.
	keepdir /var/log/gdm
	keepdir /var/gdm

	fowners root:gdm /var/gdm
	fperms 1770 /var/gdm

	# add a custom xsession .desktop by default (#44537)
	exeinto /etc/X11/dm/Sessions
	doexe "${gentoodir}/custom.desktop" || die "doexe 1 failed"

	# add xinitrc.d scripts
	exeinto /etc/X11/xinit/xinitrc.d
	doexe "${FILESDIR}/49-keychain" || die "doexe 2 failed"
	doexe "${FILESDIR}/50-ssh-agent" || die "doexe 3 failed"

	# install XDG_DATA_DIRS gdm changes
	echo 'XDG_DATA_DIRS="/usr/share/gdm"' > 99xdg-gdm
	doenvd 99xdg-gdm || die "doenvd failed"

	# add a custom sound playing script (#248253)
	dobin "${gentoodir}/gdmplay"

	# avoid file collision, bug #213118
	rm -f "${D}/usr/share/xsessions/gnome.desktop"

	# We replace the pam stuff by our own
	rm -rf "${D}/etc/pam.d"

	use gnome-keyring && sed -i "s:#Keyring=::g" "${gentoodir}"/pam.d/*

	dopamd "${gentoodir}"/pam.d/*
	dopamsecurity console.apps "${gentoodir}/security/console.apps/gdmsetup"
}

pkg_postinst() {
	gnome2_pkg_postinst

	ewarn
	ewarn "This is an EXPERIMENTAL release, please bear with its bugs and"
	ewarn "visit us on #gentoo-desktop if you have problems."
	ewarn

	elog "To make GDM start at boot, edit /etc/conf.d/xdm"
	elog "and then execute 'rc-update add xdm default'."
	elog "If you already have GDM running, you will need to restart it."

	if use gnome-keyring; then
		elog "For autologin to unlock your keyring, you need to set an empty"
		elog "password on your keyring. Use app-crypt/seahorse for that."
	fi

	if [ -f "/etc/X11/gdm/gdm.conf" ]; then
		elog "You had /etc/X11/gdm/gdm.conf which is the old configuration"
		elog "file.  It has been moved to /etc/X11/gdm/gdm-pre-gnome-2.16"
		mv /etc/X11/gdm/gdm.conf /etc/X11/gdm/gdm-pre-gnome-2.16
	fi
}

pkg_postrm() {
	gnome2_pkg_postrm

	if [[ "$(rc-config list default | grep xdm)" != "" ]] ; then
		elog "To remove GDM from startup please execute"
		elog "'rc-update del xdm default'"
	fi
}