app-backup/borgmatic: switch to single-implementation mode

No real benefits of installing this for multiple Python implementations,
in the end borgmatic is always invoked as scripts.

While at it, clean up dependencies a bit.

Signed-off-by: Marek Szuba <[email protected]>

app-backup/borgmatic/borgmatic-1.5.1-r2.ebuild

@@ -0,0 +1,71 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python3_{6,7} )
+DISTUTILS_SINGLE_IMPL=1
+DISTUTILS_USE_SETUPTOOLS="rdepend"
+
+inherit distutils-r1 systemd
+
+DESCRIPTION="Automatically create, prune and verify backups with borgbackup"
+HOMEPAGE="https://torsion.org/borgmatic/"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+
+# borg is called as an external tool, hence no pythonic stuff
+RDEPEND="app-backup/borgbackup
+	$(python_gen_cond_dep '
+		dev-python/colorama[${PYTHON_USEDEP}]
+		>=dev-python/pykwalify-1.6.0[${PYTHON_USEDEP}]
+		dev-python/requests[${PYTHON_USEDEP}]
+		<dev-python/ruamel-yaml-0.17.0[${PYTHON_USEDEP}]
+	')"
+BDEPEND="
+	test? (
+		$(python_gen_cond_dep '
+			dev-python/flexmock[${PYTHON_USEDEP}]
+		')
+	)"
+
+PATCHES=(
+	"${FILESDIR}"/${PN}-1.5.1-systemd_service_bin_path.patch
+	"${FILESDIR}"/${PN}-1.5.1-no_test_coverage.patch
+)
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	distutils-r1_src_prepare
+
+	# Unlike the other two test files in integration/commands, which use the
+	# relevant modules' respective APIs, test_borgmatic.py tries to call the
+	# 'borgmatic' executable - which by the time we execute src_test will
+	# not have been created yet. distutils_install_for_testing would likely
+	# take care of this - but between the aforementioned behaviour inconsistency
+	# and the fact the only test run from this file as of version 1.5.1 is the
+	# parsing of contents of 'borgmatic --version', just skip it for now.
+	rm -f "${S}"/tests/integration/commands/test_borgmatic.py
+}
+
+src_install() {
+	distutils-r1_src_install
+	systemd_dounit sample/systemd/borgmatic.{service,timer}
+	keepdir /etc/borgmatic
+}
+
+pkg_postinst() {
+	if [[ -z "${REPLACING_VERSIONS}" ]]; then
+		elog "To generate a sample configuration file, run:"
+		elog "    generate-borgmatic-config"
+	else
+		elog "To upgrade your configuration file to the current version, run:"
+		elog "    upgrade-borgmatic-config"
+	fi
+	elog
+	elog "Systemd users wishing to periodically run borgmatic can use the provided timer and service units."
+}