Add zulu8 (#4483)

Casks/zulu8.rb

@@ -0,0 +1,49 @@
+cask 'zulu8' do
+  version '1.8.0_144,8.23.0.3'
+  sha256 '851800b6a65d23d32d6142ef698146ff14e870038112d31d8a7d4c41a0c9a8a1'
+
+  url "https://cdn.azul.com/zulu/bin/zulu#{version.after_comma}-jdk#{version.minor}.#{version.patch}.#{version.before_comma.sub(%r{.*_}, '')}-macosx_x64.dmg",
+      referer: 'https://www.azul.com/downloads/zulu/zulu-mac/'
+  name 'Azul Zulu Java Standard Edition Development Kit'
+  homepage 'https://www.azul.com/downloads/zulu/zulu-mac/'
+
+  pkg "Double-Click to Install Zulu #{version.minor}.pkg"
+
+  postflight do
+    system_command '/bin/mv',
+                   args: ['-f', '--', "/Library/Java/JavaVirtualMachines/zulu-#{version.minor}.jdk", "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk"],
+                   sudo: true
+    system_command '/bin/ln',
+                   args: ['-nsf', '--', "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk", "/Library/Java/JavaVirtualMachines/zulu-#{version.minor}.jdk"],
+                   sudo: true
+    system_command '/bin/ln',
+                   args: ['-nsf', '--', "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk/Contents/Home", '/Library/Java/Home'],
+                   sudo: true
+    system_command '/usr/libexec/PlistBuddy',
+                   args: ['-c', 'Add :JavaVM:JVMCapabilities: string JNI', "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk/Contents/Info.plist"],
+                   sudo: true
+
+    if MacOS.version <= :mavericks
+      system_command '/bin/rm',
+                     args: ['-rf', '--', '/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK'],
+                     sudo: true
+      system_command '/bin/ln',
+                     args: ['-nsf', '--', "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk/Contents", '/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK'],
+                     sudo: true
+    end
+  end
+
+  uninstall pkgutil: [
+                       "com.azulsystems.zulu.#{version.minor}",
+                     ],
+            delete:  [
+                       "/Library/Java/JavaVirtualMachines/zulu#{version.before_comma}.jdk",
+                       "/Library/Java/JavaVirtualMachines/zulu-#{version.minor}.jdk",
+                       '/Library/Java/Home',
+                       if MacOS.version <= :mavericks
+                         [
+                           '/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK',
+                         ]
+                       end,
+                     ].keep_if { |v| !v.nil? }
+end