openra: 20181215 -> 20190314 + updated other engine releases and mods

pkgs/games/openra/mod-launch-game.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 show_error() {
   if command -v zenity > /dev/null; then
     zenity --no-wrap --no-markup --error --title "OpenRA - @title@" --text "$1" 2>/dev/null
@@ -12,7 +12,7 @@ cd "@out@/lib/openra-@name@"
 
 # Check for missing assets
 assetsError='@assetsError@'
-if [ -n "$assetsError" -a ! -d "$HOME/.openra/Content/@name@" ]; then
+if [[ -n "$assetsError" && ! -d "$HOME/.openra/Content/@name@" ]]; then
   show_error "$assetsError"
 fi
 
@@ -20,6 +20,6 @@ fi
 mono --debug OpenRA.Game.exe Game.Mod=@name@ Engine.LaunchPath="@out@/bin/openra-@name@" Engine.ModSearchPaths="@out@/lib/openra-@name@/mods" "$@"
 
 # Show a crash dialog if something went wrong
-if [ $? -ne 0 -a $? -ne 1 ]; then
+if (( $? != 0 && $? != 1 )); then
   show_error $'OpenRA - @title@ has encountered a fatal error.\nPlease refer to the crash logs for more information.\n\nLog files are located in ~/.openra/Logs'
 fi