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# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit prefix readme.gentoo-r1

DESCRIPTION="Scripts to support compressed swap devices or ramdisks with zRAM"
HOMEPAGE="https://github.com/vaeth/zram-init/"

if [[ ${PV} == *9999 ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/vaeth/${PN}.git"
else
	SRC_URI="https://github.com/vaeth/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
	KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64 ~x86"
fi

LICENSE="GPL-2"
SLOT="0"

BDEPEND="sys-devel/gettext"

RDEPEND="
	>=app-shells/push-2.0
	virtual/libintl
	|| ( sys-apps/openrc sys-apps/systemd )
"

DISABLE_AUTOFORMATTING=true
DOC_CONTENTS="\
To use zram-init,      activate it in your kernel and add it to the default
runlevel:
  rc-update add zram-init default
If you use systemd enable zram_swap,   zram_tmp,   and/or zram_var_tmp with
systemctl.     You might need to modify the following file depending on the
number of devices that you want to create:
  ${EROOT}/etc/modprobe.d/zram.conf.
If you use the \$TMPDIR as zRAM device with OpenRC, you should add zram-init
to the boot runlevel:
  rc-update add zram-init boot
Still for the same case,    you should add in the OpenRC configuration file
for the services using \$TMPDIR the following line:
  rc_need=\"zram-init\""

src_prepare() {
	default

	hprefixify "${S}/man/${PN}.8"

	hprefixify -e "s%(}|:)(/(usr/)?sbin)%\1${EPREFIX}\2%g" \
		"${S}/sbin/${PN}.in"

	hprefixify -e "s%( |=)(/tmp)%\1${EPREFIX}\2%g" \
		"${S}/systemd/system"/* \
		"${S}/openrc"/*/*
}

src_compile() {
	emake PREFIX="${EPREFIX}/usr" MODIFY_SHEBANG=FALSE
}

src_install() {
	einstalldocs
	readme.gentoo_create_doc

	emake DESTDIR="${ED}" PREFIX="/usr" SYSCONFDIR="/etc" \
		BINDIR="${ED}/sbin" install
}

pkg_postinst() {
	readme.gentoo_print_elog
}