ARGOMENTO:

<config>
  <!-- User Information -->
  <passkey v='****************'/>
  <team v='******'/>
  <user v='*****'/>

  <!-- Folding Slots -->
  <slot id='0' type='GPU'/>
</config>

# mv /usr/portage/sci-biology/foldingathome /usr/local/portage/sci-biology/

# mv /usr/local/portage/sci-biology/foldingathome/foldingathome-7.4.4-r2.ebuild /usr/local/portage/sci-biology/foldingathome/foldingathome-7.4.15.ebuild

# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

inherit versionator user systemd

MY_BASEURI="https://folding.stanford.edu/releases/beta/release/fahclient"
MY_64B_URI="${MY_BASEURI}/debian-testing-64bit/v$(get_version_component_range 1-2)/latest.tar.bz2"
MY_32B_URI="${MY_BASEURI}/debian-testing-32bit/v$(get_version_component_range 1-2)/latest.tar.bz2"

DESCRIPTION="Folding@Home is a distributed computing project for protein folding"
HOMEPAGE="http://folding.stanford.edu/FAQ-SMP.html"
SRC_URI="x86? ( ${MY_32B_URI} )
	amd64? ( ${MY_64B_URI} )"

RESTRICT="mirror bindist strip"

LICENSE="FAH-EULA-2014 FAH-special-permission"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""
# Expressly listing all deps, as this is a binpkg and it is doubtful whether
# i.e. uclibc or clang can provide what is necessary at runtime
RDEPEND="app-arch/bzip2
	sys-devel/gcc
	sys-libs/glibc
	sys-libs/zlib"

S="${WORKDIR}"

QA_PREBUILT="opt/foldingathome/*"

pkg_setup() {
	elog ""
	elog "Special permission is hereby granted to the Gentoo project to provide an"
	elog "automated installer package which downloads and installs the Folding@home client"
	elog "software. Permission is also granted for future Gentoo installer packages on the"
	elog "condition that they continue to adhere to all of the terms of the accompanying"
	elog "Folding@home license agreements and display this notice."
	elog "-- Vijay S. Pande, Stanford University, 07 May 2013"
	elog ""
	elog "(ref: http://foldingforum.org/viewtopic.php?f=16&t=22524&p=241992#p241992 )"
	elog ""

	enewuser foldingathome -1 -1 "${EPREFIX}"/opt/foldingathome
}

src_install() {
	local myS="fahclient_${PV}-64bit-release"
	use x86 && myS="${myS//64bit/32bit}"
	exeinto /opt/foldingathome
	doexe "${myS}"/{FAHClient,FAHCoreWrapper}

	newconfd "${FILESDIR}"/7.3/folding-conf.d foldingathome
	cat <<EOF >"${T}"/fah-init
#!/sbin/openrc-run
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

start_stop_daemon_args="--chdir \"${EPREFIX}/opt/foldingathome\""
command="${EPREFIX}/opt/foldingathome/FAHClient"
command_args="\${FOLD_OPTS}"
command_user=foldingathome
command_background=1
pidfile="\${PIDFILE}"
EOF
	newinitd "${T}"/fah-init foldingathome

	cat <<EOF >"${T}"/fah-init.service
[Unit]
Description=Folding@Home V7 Client
Documentation=https://folding.stanford.edu/home/the-software/

[Service]
Type=simple
User=foldingathome
WorkingDirectory="${EPREFIX}/opt/foldingathome"
PIDFile=/run/fahclient.pid
ExecStart=./FAHClient -v start
ExecReload=./FAHClient -v restart
ExecStop=./FAHClient -v stop
KillMode=process

[Install]
WantedBy=multi-user.target
EOF
	systemd_newunit "${T}"/fah-init.service foldingathome.service

	fowners -R foldingathome:foldingathome /opt/foldingathome
}

pkg_postinst() {
	elog "To run Folding@home in the background at boot:"
	elog "(openrc)\trc-update add foldingathome default"
	elog "(systemd)\tsystemctl enable foldingathome"
	elog ""
	if [ ! -e "${EPREFIX}"/opt/foldingathome/config.xml ]; then
		elog "No config.xml file found -- please run"
		elog "emerge --config ${P} to configure your client, or specify"
		elog "all necessary runtime options in FOLD_OPTS within"
		elog "${EPREFIX}/etc/conf.d/foldingathome"
		elog ""
	fi
	if [[ -n ${REPLACING_VERSIONS} ]]; then
		elog "NOTE, the 'initfolding' helper script has been dropped, please"
		elog "use emerge --config ${P} or run FAHClient --configure directly"
		elog "and adjust file permissions and ownership yourself"
		elog ""
	fi
	elog "Please see ${EPREFIX}/opt/foldingathome/FAHClient --help for more details."
	einfo ""
	einfo "The original package maintainer encourages you to acquire a username and join team 36480."
	einfo "http://folding.stanford.edu/English/Download#ntoc2"
	einfo ""
}

pkg_postrm() {
	elog "Folding@home data files were not removed."
	elog "Remove them manually from ${EPREFIX}/opt/foldingathome"
}

pkg_config() {
	cd "${EPREFIX}"/opt/foldingathome || die
	su foldingathome -s /bin/sh -c "./FAHClient --configure"
}