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

EAPI=7

PYTHON_COMPAT=( python3_{8,9} )
DISTUTILS_SINGLE_IMPL=1

inherit bash-completion-r1 distutils-r1 systemd tmpfiles

DESCRIPTION="Scans log files and bans IPs that show malicious signs"
HOMEPAGE="https://www.fail2ban.org/"
if [[ ${PV} == *9999 ]] ; then
	EGIT_REPO_URI="https://github.com/${PN}/${PN}"
	inherit git-r3
else
	SRC_URI="https://github.com/${PN}/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
	KEYWORDS="~alpha amd64 arm arm64 hppa ppc ppc64 sparc x86"
fi

LICENSE="GPL-2"
SLOT="0"
IUSE="selinux systemd"

RDEPEND="
	virtual/logger
	virtual/mta
	selinux? ( sec-policy/selinux-fail2ban )
	systemd? (
		$(python_gen_cond_dep '
			|| (
				dev-python/python-systemd[${PYTHON_USEDEP}]
				sys-apps/systemd[python(-),${PYTHON_USEDEP}]
			)' 'python*' )
	)
"

DOCS=( ChangeLog DEVELOP README.md THANKS TODO doc/run-rootless.txt )

PATCHES=(
	"${FILESDIR}"/${P}-fix-tests-for-2021.patch
	"${FILESDIR}"/${PN}-0.11.2-adjust-apache-logs-paths.patch
	"${FILESDIR}"/${P}-fix-2to3-usage.patch
	"${FILESDIR}"/${P}-fix-systemd-test.patch
)

python_prepare_all() {
	# Replace /var/run with /run, but not in the top source directory
	find . -mindepth 2 -type f -exec \
		sed -i -e 's|/var\(/run/fail2ban\)|\1|g' {} + || die

	sed -i -e 's|runscript|openrc-run|g' files/gentoo-initd || die

	distutils-r1_python_prepare_all
}

python_compile() {
	./fail2ban-2to3 || die
	distutils-r1_python_compile
}

python_test() {
	bin/fail2ban-testcases \
		--no-network \
		--no-gamin \
		--verbosity=4 || die "Tests failed with ${EPYTHON}"
}

python_install_all() {
	distutils-r1_python_install_all

	rm -rf "${ED}"/usr/share/doc/${PN} "${ED}"/run || die

	# Not ${FILESDIR}
	newconfd files/gentoo-confd ${PN}
	newinitd files/gentoo-initd ${PN}

	sed -e "s:@BINDIR@:${EPREFIX}/usr/bin:g" files/${PN}.service.in > "${T}"/${PN}.service || die
	systemd_dounit "${T}"/${PN}.service
	dotmpfiles files/${PN}-tmpfiles.conf

	doman man/*.{1,5}

	# Use INSTALL_MASK if you do not want to touch /etc/logrotate.d.
	# See http://thread.gmane.org/gmane.linux.gentoo.devel/35675
	insinto /etc/logrotate.d
	newins files/${PN}-logrotate ${PN}

	keepdir /var/lib/${PN}

	newbashcomp files/bash-completion ${PN}-client
	bashcomp_alias ${PN}-client ${PN}-server ${PN}-regex
}

pkg_preinst() {
	has_version "<${CATEGORY}/${PN}-0.7"
	previous_less_than_0_7=$?
}

pkg_postinst() {
	tmpfiles_process ${PN}-tmpfiles.conf

	if [[ ${previous_less_than_0_7} = 0 ]] ; then
		elog
		elog "Configuration files are now in /etc/fail2ban/"
		elog "You probably have to manually update your configuration"
		elog "files before restarting Fail2Ban!"
		elog
		elog "Fail2Ban is not installed under /usr/lib anymore. The"
		elog "new location is under /usr/share."
		elog
		elog "You are upgrading from version 0.6.x, please see:"
		elog "http://www.fail2ban.org/wiki/index.php/HOWTO_Upgrade_from_0.6_to_0.8"
	fi

	if ! has_version dev-python/pyinotify && ! has_version app-admin/gamin ; then
		elog "For most jail.conf configurations, it is recommended you install either"
		elog "dev-python/pyinotify or app-admin/gamin (in order of preference)"
		elog "to control how log file modifications are detected"
	fi

	if ! has_version dev-lang/python[sqlite] ; then
		elog "If you want to use ${PN}'s persistent database, then reinstall"
		elog "dev-lang/python with USE=sqlite. If you do not use the"
		elog "persistent database feature, then you should set"
		elog "dbfile = :memory: in fail2ban.conf accordingly."
	fi

	if has_version sys-apps/systemd[-python] ; then
		elog "If you want to track logins through sys-apps/systemd's"
		elog "journal backend, then reinstall sys-apps/systemd with USE=python"
	fi
}