dev-libs/libratbag: bump to 0.9.901, fix G502 leds position

dev-libs/libratbag/libratbag-0.9.901.ebuild

@@ -0,0 +1,45 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python{3_4,3_5,3_6} )
+
+inherit meson udev python-r1
+
+DESCRIPTION="Library to configure gaming mice"
+HOMEPAGE="https://github.com/libratbag/libratbag"
+SRC_URI="https://github.com/${PN}/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="doc test"
+
+DEPEND="
+	virtual/pkgconfig
+	doc? ( app-doc/doxygen )
+"
+RDEPEND="
+	dev-libs/libevdev
+	virtual/libudev
+"
+
+PATCHES=(
+	${FILESDIR}/${P}-data-gnome-g502-fix-leds-position.patch
+)
+
+src_prepare() {
+    python_setup
+	default
+
+	sed '/default:/d' -i meson_options.txt || die
+}
+
+src_configure() {
+	local emesonargs=(
+		-Denable-documentation=$(usex doc true false)
+		-Denable-tests=$(usex test true false)
+		-Dudev-dir=$(get_udevdir)
+	)
+	meson_src_configure
+}