Add jdk11 package

packages/jdk11.rb

+require 'package'
+
+class Jdk11 < Package
+  description 'The JDK is a development environment for building applications, applets, and components using the Java programming language.'
+  homepage 'https://www.oracle.com/java/technologies/javase-jdk11-downloads.html'
+  version '11.0.9'
+  compatibility 'x86_64'
+  case ARCH
+  when 'x86_64'
+    source_url 'file:///dev/null'
+    source_sha256 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
+  end
+
+  binary_url ({
+    x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/jdk11-11.0.9-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    x86_64: 'aa768cfbd031d021d6df4dc5da90db385ac144ea4d6868447a14d2b3ace058b4',
+  })
+
+  case ARGV[0]
+  when 'install', 'reinstall'
+    abort "JDK8 installed.".lightgreen if Dir.exists? "#{CREW_PREFIX}/share/jdk8"
+  end
+
+  def self.install
+    jdk_bin = "#{HOME}/Downloads/jdk-#{version}_linux-x64_bin.tar.gz"
+    jdk_sha256 = '5c149faddf9deb5a2f63438e7cd8f7d21e7300c93ebbc43dc83a6e3b90d554a7'
+    unless File.exists? jdk_bin then
+      puts
+      puts "Oracle now requires an account to download the JDK.".orange
+      puts
+      puts "You must login at https://login.oracle.com/mysso/signon.jsp and then visit:".orange
+      puts "https://www.oracle.com/java/technologies/javase-jdk11-downloads.html".orange
+      puts
+      puts "Download the JDK for your architecture to #{HOME}/Downloads to continue.".orange
+      puts
+      abort
+    end
+    abort 'Checksum mismatch. :/ Try again.'.lightred unless Digest::SHA256.hexdigest( File.read(jdk_bin) ) == jdk_sha256
+    system "tar xvf #{jdk_bin}"
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/bin"
+    FileUtils.mkdir_p "#{CREW_DEST_PREFIX}/share/jdk11"
+    FileUtils.cd "jdk-#{version}" do
+      FileUtils.rm_f 'lib/src.zip'
+      FileUtils.mv Dir.glob('*'), "#{CREW_DEST_PREFIX}/share/jdk11/"
+    end
+    FileUtils.cd "#{CREW_DEST_PREFIX}/share/jdk11/bin" do
+      system "find -type f -exec ln -s #{CREW_PREFIX}/share/jdk11/bin/{} #{CREW_DEST_PREFIX}/bin/{} \\;"
+    end
+  end
+end