# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit autotools
#inherit autotools flag-o-matic

DESCRIPTION="Lightweight, secure and login like console display manager for X"

HOMEPAGE="https://github.com/crakem/xlogin"

SRC_URI="https://github.com/crakem/xlogin/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
#SRC_URI="https://github.com/crakem/xlogin/archive/refs/tags/v0.43.0/${P}.tar.gz"

LICENSE="GPL-3+"

SLOT="0"

KEYWORDS="~x86 ~amd64"

IUSE="pam syslog systemd"

#RDEPEND="pam? ( >=sys-libs/pam-1.5.1 )
RDEPEND="
	pam? ( sys-libs/pam )
	!pam? ( virtual/libcrypt )
	syslog? ( virtual/logger )
	sys-apps/util-linux
	x11-apps/xauth"

DEPEND="pam? ( sys-libs/pam )"

BDEPEND=""

src_configure() {
	#append-ldflags -Wl,-z,relro,-z,now
	if ! use syslog && ! use systemd; then
		syslogconf="--without-syslog"
	else
		syslogconf="--with-syslog"
	fi
	econf \
	--sysconfdir=/etc/${PN} \
	--bindir=/bin \
	$(use_with pam) \
	${syslogconf}
}

src_install() {
	emake DESTDIR="${D}" install
	#dostrip "${D}"/bin/xlogin
	strip -s "${D}"/bin/xlogin
	fperms 0750 /bin/xlogin
}

pkg_preinst() {
	rm ${D}/etc/xlogin/Xsession-arch
	if use pam;then
		mkdir -p ${D}/etc/pam.d
		cp ${ROOT}/etc/pam.d/login ${D}/etc/pam.d/xlogin
	fi
	if use systemd;then
		servicedir=${D}/etc/systemd/system/getty\@tty7.service.d
		mkdir -p ${servicedir}
		mv ${D}/etc/xlogin/xlogin.conf ${servicedir}/.
		elog "Remember to switch back to multi-user target for using xlogin display manager if you are using now graphical target"
		elog "systemctl set-default multi-user.target"
	else
		rm ${D}/etc/xlogin/xlogin.conf
		#change vt7 line in /etc/inittab (incluir linea debajor de c6, con c7)
		if ! grep "^c7" ${ROOT}/etc/inittab >/dev/null; then #do nothing if has c7
			elog "Autoadding a c7 line in /etc/inittab for xlogin on vt7"
			if grep "agetty.*tty6" /etc/inittab >/dev/null; then
				#agetty
				sed '/^c6/{p;s/c6\(.*\)$/c7\1 -R -l \/bin\/xlogin/}' ${ROOT}/etc/inittab > ${D}/etc/inittab
			else
				#mingetty
				sed '/^c6/{p;s/c6\(.*\)$/c7\1 --loginprog=\/bin\/xlogin/}' ${ROOT}/etc/inittab > ${D}/etc/inittab
			fi
		fi
		elog "Remember to delete display-manager from your default runlevel if is in use"
		elog "rc-config delete display-manager default"
	fi
	#ebuild don't preserve tar file prop
	chmod +x ${D}/etc/xlogin/Xsession
}
pkg_postrm() {
	if use pam;then
		#rm ${ROOT}/etc/pam.d/xlogin
		elog "File leaved in your system: ${ROOT}etc/pam.d/xlogin"
	fi
	if use systemd;then
		#rm ${ROOT}/etc/systemd/system/getty\@tty7.service.d/xlogin.conf
		#rmdir ${ROOT}/etc/systemd/system/getty\@tty7.service.d
		elog "File leaved in your system: ${ROOT}etc/systemd/system/getty\@tty7.service.d/xlogin.conf"
	else
		elog "Remember to remove/edit your c7 line in ${ROOT}etc/inittab for a complete rollback"
	fi
}