dev-lua/lua-argparse: command line parser for Lua (new package)

Signed-off-by: Victor Payno <vpayno+gentoo@gmail.com>

Argparse is a feature-rich command line parser for Lua inspired by argparse for Python.
Closes: https://github.com/gentoo/gentoo/pull/14435

Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

dev-lua/lua-argparse/Manifest

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+DIST lua-argparse-0.6.0.tar.gz 36712 BLAKE2B 88882738453a894db68ef93557d870393eaec1fb2bf39b110bd2691678d26be64734d07c7f01f760d9c1d031e530707449ff2ca54a5cdd428cb8da3b1897a7e1 SHA512 7efdfab8ec563a9e7eddc7aff760fd4d3605df2896939af3f2c80e5ed4d4e5ba45a7815057e15446d242351a6fd139d6b8da802fe318d4a4bcd69918fece53d1

dev-lua/lua-argparse/lua-argparse-0.6.0.ebuild

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+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+inherit toolchain-funcs
+
+DESCRIPTION="Command line argument parser for the Lua Programming Language"
+HOMEPAGE="https://github.com/mpeterv/argparse"
+SRC_URI="https://github.com/mpeterv/argparse/archive/${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="doc luajit test"
+
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	>=dev-lang/lua-5.1:=
+	luajit? ( dev-lang/luajit:2 )"
+BDEPEND="
+	virtual/pkgconfig
+	doc? ( dev-python/sphinx )
+	test? (
+		${RDEPEND}
+		dev-lua/busted
+	)"
+DEPEND="${RDEPEND}"
+
+S="${WORKDIR}/${PN//lua-/}-${PV}"
+
+src_compile() {
+	if use doc; then
+		sphinx-build docsrc html || die
+		rm -rf "${S}"/html/{.doctrees,_sources} || die
+	fi
+}
+
+src_test() {
+	busted -o gtest || die
+}
+
+src_install() {
+	use doc && local -a HTML_DOCS=( html/. )
+	local -a DOCS=( README.md CHANGELOG.md )
+	einstalldocs
+
+	local instdir
+	instdir="$($(tc-getPKG_CONFIG) --variable INSTALL_LMOD $(usex luajit 'luajit' 'lua'))"/${PN}
+
+	insinto "${instdir#${EPREFIX}}"
+	doins src/argparse.lua
+}

dev-lua/lua-argparse/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<email>vpayno+gentoo@gmail.com</email>
+		<name>Victor Payno</name>
+	</maintainer>
+	<maintainer type="person">
+		<email>gyakovlev@gentoo.org</email>
+		<name>Georgy Yakovlev</name>
+	</maintainer>
+	<longdescription lang="en">
+		Argparse is a feature-rich command line parser for Lua inspired by argparse for Python.
+
+		Argparse supports positional arguments, options, flags, optional arguments, subcommands
+		and more. Argparse automatically generates usage, help and error messages.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">mpeterv/argparse</remote-id>
+	</upstream>
+</pkgmetadata>