epm play: added Hytale Launcher (eterbug #18799)

pack.d/hytale-launcher.sh

+#!/bin/sh
+
+TAR="$1"
+RETURNTARNAME="$2"
+VERSION="$3"
+
+
+. $(dirname $0)/common.sh
+
+mkdir -p opt/$PRODUCT
+mkdir -p usr/
+
+erc unpack $TAR || fatal
+
+mv $PRODUCT opt/$PRODUCT
+
+install_file https://aur.archlinux.org/cgit/aur.git/plain/com.hypixel.HytaleLauncher.png?h=hytale-launcher-bin /usr/share/pixmaps/$PRODUCT.png
+
+cat <<EOF | create_file /usr/share/applications/com.hypixel.HytaleLauncher.desktop
+[Desktop Entry]
+Name=Hytale Launcher
+Comment=Hytale Launcher
+Exec=env __NV_DISABLE_EXPLICIT_SYNC=1 WEBKIT_DISABLE_DMABUF_RENDERER=1 DESKTOP_STARTUP_ID=com.hypixel.HytaleLauncher $PRODUCT
+Icon=$PRODUCT
+Terminal=false
+Type=Application
+Categories=Game;
+StartupWMClass=com.hypixel.HytaleLauncher
+EOF
+
+PKGNAME=$PRODUCT-$VERSION
+
+erc pack $PKGNAME.tar opt/$PRODUCT usr || fatal
+
+return_tar $PKGNAME.tar

play.d/hytale-launcher.sh

+#!/bin/sh
+
+PKGNAME=hytale-launcher
+SUPPORTEDARCHES="x86_64"
+DESCRIPTION="Hytale Launcher (Native Linux, Self-Updating)"
+URL="https://hytale.com"
+
+. $(dirname $0)/common.sh
+
+warn_version_is_not_supported
+
+LAUNCHER_JSON="https://launcher.hytale.com/version/release/launcher.json"
+JSON="$(eget -O- "$LAUNCHER_JSON")"
+
+VERSION="$(echo "$JSON" | parse_json_value '["version"]' | tr '-' '.')"
+[ -n "$VERSION" ] || fatal "Can't get version from $LAUNCHER_JSON"
+
+PKGURL="$(echo "$JSON" | parse_json_value '["download_url","linux","amd64","url"]')"
+[ -n "$PKGURL" ] || fatal "Can't get download URL from $LAUNCHER_JSON"
+
+install_pack_pkgurl $VERSION