Added piper ebuild.

sys-apps/piper/Manifest

@@ -0,0 +1,2 @@
+DIST piper-0.4.tar.gz 220302 BLAKE2B 328de7bd31b7a74c656cc7fbe50b54663de1368c43e3c1a1ca72245d7a6631fb87b240c7290d987bca383113b7041548472f0e012ec940372103f83f7a52f14f SHA512 7d283d217d114d8acbafcfb358e823a307e694c7d7f5d18ac76b2d52db0704ef9873b63f31273b203f6fdf0e5ec8578adf4bd95c2881fcd01f1c5e59e6c929a6
+EBUILD piper-0.4.ebuild 1158 BLAKE2B ff4e45cfbe75e18ff6eb5a75ebaf3adfd44384938ad19580dcf8e03b7d8ca80f49b47cba25b50d3a669f94adfe70498714525419d0ffa80efe2577070148f076 SHA512 8523d5f21cb6df51253327a40114fc8b72f029af3cbdc29214852f128b755242c95128f7791e2e2881d3abf0a826392d38b391b4420aac5fc3ca3b39743d62be

sys-apps/piper/piper-0.4.ebuild

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+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+PYTHON_COMPAT=( python3_6 )
+
+inherit desktop meson udev python-any-r1 gnome2-utils
+
+DESCRIPTION="GUI Software to configure gaming mice"
+HOMEPAGE="https://github.com/libratbag/piper"
+SRC_URI="https://github.com/libratbag/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+#REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+DEPEND="${PYTHON_DEPS}
+	virtual/pkgconfig
+"
+RDEPEND="
+	dev-libs/libevdev
+	virtual/libudev
+"
+
+src_prepare() {
+	default
+#	sed '/default:/d' -i meson_options.txt || die
+	python_fix_shebang .
+}
+
+pkg_setup() {
+        python-any-r1_pkg_setup
+}
+
+
+src_configure() {
+	#python_setup 'python3'
+	local emesonargs=(
+		-Dtests=$(usex test true false)
+	)
+	meson_src_configure
+}
+
+src_install(){
+	default
+	meson_src_install
+	python_optimize "${ED}/usr/share/${PN}"
+	python_optimize "${ED}"
+}
+
+pkg_postinst() {
+        xdg_desktop_database_update
+        gnome2_icon_cache_update
+
+}
+
+pkg_postrm() {
+        xdg_desktop_database_update
+        gnome2_icon_cache_update
+}
+
+