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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit prefix readme.gentoo-r1 systemd
if [[ ${PV} == 9999 ]]; then
inherit git-r3
EGIT_REPO_URI="https://github.com/zfsonlinux/${PN}.git"
else
MY_P="${PN}-upstream-${PV}"
SRC_URI="https://github.com/zfsonlinux/${PN}/archive/upstream/${PV}.tar.gz -> ${MY_P}.tar.gz"
KEYWORDS="amd64 arm64 ppc64"
S="${WORKDIR}/${MY_P}"
fi
DESCRIPTION="ZFS Automatic Snapshot Service for Linux"
HOMEPAGE="https://github.com/zfsonlinux/zfs-auto-snapshot"
LICENSE="GPL-2+"
SLOT="0"
IUSE="+cron +default-exclude systemd"
RDEPEND="
sys-fs/zfs
!systemd? ( virtual/cron )
"
REQUIRED_USE="!systemd? ( cron )"
src_install() {
if use default-exclude; then
for cronfile in etc/"${PN}".cron.{daily,hourly,monthly,weekly}; do
sed -i "s/\(^exec ${PN}\)/\1 --default-exclude/" "${cronfile}" || die
done
sed -i "s/\(; ${PN}\)/\1 --default-exclude/" etc/"${PN}".cron.frequent || die
fi
readme.gentoo_create_doc
emake PREFIX="${EPREFIX}/usr" DESTDIR="${D}" install
local exclude unit
exclude="$(usev default-exclude)"
for unit in "${PN}"{-daily,-frequent,-hourly,-monthly,-weekly}.service; do
cp "${FILESDIR}/${unit}" "${T}/${unit}" || die
eprefixify "${T}/${unit}"
sed -i "s/@DEFAULT_EXCLUDE@/${exclude:+--default-exclude}/g" "${T}/${unit}" || die
systemd_dounit "${T}/${unit}"
done
for unit in "${PN}"{-daily,-frequent,-hourly,-monthly,-weekly}.timer; do
systemd_dounit "${FILESDIR}/${unit}"
done
systemd_dounit "${FILESDIR}/${PN}.target"
if ! use cron; then
ebegin "removing cron files from installation image"
rm -rfv "${ED}/etc" || die
eend "$?"
fi
}
pkg_postinst() {
readme.gentoo_print_elog
if ! use default-exclude; then
ewarn "snapshots are enabled by default for ALL zfs datasets"
ewarn "set com.sun:auto-snapshot=false or enable 'default-exclude' flag"
elog
fi
if use cron && has_version sys-process/fcron; then
ewarn "frequent snapshot may not work if you are using fcron"
ewarn "you should add frequent job to crontab manually"
fi
if use cron; then
if systemd_is_booted || has_version sys-apps/systemd; then
echo
ewarn "Both 'cron' and 'systemd' flags are enabled."
ewarn "So both ${PN}.target and cron files were installed."
ewarn "Please don't use 2 implementations at the same time."
ewarn "Cronjobs are usually enabled by default via /etc/cron.* jobs"
ewarn "If you want to use systemd ${PN}.target timers"
ewarn "disable 'cron' flag and reinstall ${PN}"
echo
fi
fi
}
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