[New Package] minecraft (#5277)

* [New Package] minecraft

* Actual version

packages/minecraft.rb

+require 'package'
+
+class Minecraft < Package
+  description 'A sandbox video game developed by Mojang Studios AB.'
+  homepage 'https://minecraft.net'
+  version '2.2.1867'
+  compatibility 'x86_64'
+  source_url 'https://launcher.mojang.com/download/Minecraft.deb'
+  source_sha256 '9a8b6b75db199461ae241fbee6adf65fc6636204c58eb79feff968e307464727'
+
+  depends_on 'libx11'
+  depends_on 'jdk8'
+  depends_on 'gtk2'
+  depends_on 'gtk3'
+  depends_on 'sommelier'
+  
+  def self.install
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+    FileUtils.cp_r 'opt', "#{CREW_DEST_PREFIX}"
+    FileUtils.cp_r 'usr/share', "#{CREW_DEST_PREFIX}"
+    Dir.chdir "#{CREW_DEST_PREFIX}/bin" do
+      @launcherscript = <<~EOF
+        #!/bin/bash
+        if [[ ! -e /usr/local/.config/minecraft ]]; then 
+          mkdir -pv /usr/local/.config/minecraft
+        fi
+        if [[ ! -e $HOME/.var/app/com.mojang.Minecraft ]]; then
+          mkdir -pv $HOME/.var/app/com.mojang.Minecraft
+        fi
+        if [[ -e $HOME/.minecraft ]]; then
+          if [[ ! -L $HOME/.minecraft ]]; then 
+            cp -rv $HOME/.minecraft/* /usr/local/.config/minecraft
+            rm -r $HOME/.minecraft
+            ln -sv /usr/local/.config/minecraft $HOME/.minecraft 
+          fi
+        else
+          ln -sv /usr/local/.config/minecraft $HOME/.minecraft 
+        fi
+        if [[ -e $HOME/.var/app/com.mojang.Minecraft/.minecraft ]]; then
+          if [[ ! -L $HOME/.var/app/com.mojang.Minecraft/.minecraft ]]; then
+            cp -rv $HOME/.var/app/com.mojang.Minecraft/.minecraft/* /usr/local/.config/minecraft
+            rm -r $HOME/.var/app/com.mojang.Minecraft/.minecrft 
+            ln -sv /usr/local/.config/minecraft $HOME/.var/app/com.mojang.Minecraft/.minecraft 
+          fi
+        else
+          ln -s /usr/local/.config/minecraft $HOME/.var/app/com.mojang.Minecraft/.minecraft 
+        fi
+        /usr/local/opt/minecraft-launcher/minecraft-launcher
+      EOF
+      IO.write("minecraft-launcher", @launcherscript)
+      system "chmod +x minecraft-launcher"
+    end
+  end
+  
+  def self.postinstall
+    puts
+    puts "Your minecraft data is in the usual place, ~/.minecraft.".lightblue
+    puts "To launch, just type `minecraft-launcher`.".lightblue
+    puts
+  end
+end