Add app-misc/battery-status-led

Copied from: https://gitea.matetelki.eu/denes/battery-status-led

app-misc/battery-status-led/battery-status-led-0.1.ebuild

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+# Copyright 2018 Denes Matetelki
+# Distributed under the terms of the GNU General Public License v3
+
+EAPI=6
+
+inherit git-r3 systemd linux-info
+
+DESCRIPTION="Battery (low/critical) status indication by making a (the capslock) LED blink"
+HOMEPAGE="https://gitea.matetelki.eu/denes/battery-status-led"
+SRC_URI=""
+EGIT_REPO_URI="https://gitea.matetelki.eu/denes/battery-status-led.git"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+DEPEND=""
+RDEPEND="${DEPEND}"
+
+CONFIG_CHECK="X86_PLATFORM_DEVICES"
+
+pkg_pretend() {
+	if use kernel_linux ; then
+		if [[ -e "${ROOT}"/usr/src/linux/.config ]] ; then
+			check_extra_config
+		fi
+	fi
+}
+
+DOCS="README.md"
+
+src_install() {
+	dodoc ${DOCS}
+	dobin battery-status-led
+	doman *.1
+	systemd_dounit battery-status-led.service
+}
+
+pkg_postinst() {
+	elog "Make sure you have your laptop's ACPI module compiled into your kernel:"
+	elog "Device Drivers > X86 Platform Specific Device Drivers"
+	elog "For example: Asus laptop extras, ThinkPad ACPI Laptop Extras, etc."
+	elog "You can specify which LED device to use by editing the service file."
+}