games-strategy/war1gus: New package

This is the Stratagus version of the first Warcraft (AKA Orcs & Humans).

Signed-off-by: Michał Górny <mgorny@gentoo.org>

games-strategy/war1gus/Manifest

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+DIST war1gus-2.4.3.tar.gz 436938 BLAKE2B 662c3e2d16d4ca3225a50ec28ff6ae11f9c309a02c1b71e26a28155012395091dec7833a4f32a0ee6c19119a9c0aa2aa96cb465b06937da8efdd54b040189778 SHA512 909dc3375a00a4ff05eb287e6a1e3414b084f51cda37fe73ab4d728eb2d13e3e0e8612700a90e000d67a9ddffb115fe41554a4ad9db9f68e0b62cdbc0d025ae0

games-strategy/war1gus/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>mgorny@gentoo.org</email>
+		<name>Michał Górny</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">Wargus/war1gus</remote-id>
+	</upstream>
+</pkgmetadata>

games-strategy/war1gus/war1gus-2.4.3.ebuild

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+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit cmake xdg-utils
+
+DESCRIPTION="Warcraft: Orcs & Humans for the Stratagus game engine"
+HOMEPAGE="https://wargus.github.io/war1gus.html
+	https://github.com/Wargus/war1gus"
+SRC_URI="https://github.com/Wargus/war1gus/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE=""
+
+RDEPEND="
+	=games-engines/stratagus-${PV}*[theora]
+	media-libs/libpng:0=
+	sys-libs/zlib:=
+	x11-libs/gtk+:2
+	x11-libs/libX11"
+DEPEND="${RDEPEND}"
+BDEPEND="
+	virtual/pkgconfig"
+
+src_configure() {
+	local mycmakeargs=(
+		-DGAMEDIR="${EPREFIX}/usr/bin"
+		-DBINDIR="${EPREFIX}/usr/bin"
+		-DSTRATAGUS="${EPREFIX}/usr/bin/stratagus"
+		-DSHAREDIR="${EPREFIX}/usr/share/stratagus/war1gus"
+		-DICONDIR=/usr/share/icons/hicolor/64x64/apps
+	)
+	cmake_src_configure
+}
+
+pkg_postinst() {
+	elog "War1gus requires the data from the original game to run.  The game"
+	elog "will ask you for the location of the game data and extract/convert"
+	elog "it automatically on the first run."
+
+	if ! has_version media-video/ffmpeg ||
+		! has_version media-sound/timidity++
+	then
+		elog
+		elog "If you did not convert the game data yet, you may want to install"
+		elog "the following optional dependencies:"
+		elog
+		elog "media-video/ffmpeg -- to convert game videos"
+		elog "media-sound/timidity++ -- to convert game music"
+	fi
+
+	xdg_icon_cache_update
+}
+
+pkg_postrm() {
+	xdg_icon_cache_update
+}