dev-lua/messagepack: migrate to lua.eclass

A pure-Lua module so simple enough.

Signed-off-by: Marek Szuba <marecki@gentoo.org>

dev-lua/messagepack/messagepack-0.3.2-r100.ebuild

@@ -0,0 +1,47 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+LUA_COMPAT=( lua5-{1..3} luajit )
+
+inherit lua
+
+DESCRIPTION="A pure Lua implementation of the MessagePack serialization format"
+HOMEPAGE="http://fperrad.github.io/lua-MessagePack/"
+SRC_URI="https://dev.gentoo.org/~yngwin/distfiles/lua-${P}.tar.xz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+# Requires lua-TestMore, which we currently haven't got in the tree
+RESTRICT=test
+
+DEPEND="${LUA_DEPS}"
+RDEPEND="${DEPEND}"
+BDEPEND="virtual/pkgconfig"
+
+REQUIRED_USE="${LUA_REQUIRED_USE}"
+
+lua_src_install() {
+	local src_postfix=""
+	if [[ ${ELUA} != luajit ]] && $(ver_test $(lua_get_version) -ge 5.3); then
+		src_postfix="5.3"
+	fi
+
+	insinto "$(lua_get_lmod_dir)"
+	doins src${src_postfix}/MessagePack.lua
+}
+
+# nothing to compile
+src_compile() { :; }
+
+src_test() {
+	lua_foreach_impl default
+}
+
+src_install() {
+	lua_foreach_impl lua_src_install
+	dodoc CHANGES README.md
+}