epm play: added PolyMC (eterbug #18292)

play.d/polymc.sh

+#!/bin/sh
+
+PKGNAME=PolyMC-Linux
+SUPPORTEDARCHES="x86_64"
+VERSION="$2"
+DESCRIPTION='Minecraft launcher with the ability to manage multiple instances'
+URL="https://github.com/PolyMC/PolyMC"
+
+. $(dirname $0)/common.sh
+
+arch=x86_64
+if [ "$VERSION" = "*" ] ; then
+    PKGURL=$(get_github_url "https://github.com/PolyMC/PolyMC/" "PolyMC-Linux-${VERSION}-${arch}.AppImage")
+else
+    PKGURL="https://github.com/PolyMC/PolyMC/releases/download/$VERSION/PolyMC-Linux-${VERSION}-${arch}.AppImage"
+fi
+
+install_pkgurl

repack.d/PolyMC-Linux.sh

+#!/bin/sh -x
+
+# It will be run with two args: buildroot spec
+BUILDROOT="$1"
+SPEC="$2"
+PRODUCT=PolyMC-Linux
+PRODUCTDIR=/opt/$PRODUCT
+
+. $(dirname $0)/common.sh
+
+move_file /usr/share/pixmaps/PolyMC-Linux.svg /usr/share/icons/hicolor/scalable/apps/org.polymc.PolyMC.svg
+
+add_libs_requires