Clementine latest (#4644)

* Add Clementine Latest

* Fix install permission

* Fix stanzas

* Use url block to download latest version

* Fix on uninstall by not setting read-only

* Fix code style

Casks/clementine-latest.rb

@@ -0,0 +1,38 @@
+cask 'clementine-latest' do
+  version :latest
+  sha256 :no_check
+
+  url do
+    require 'open-uri'
+    last_modified_query = '?C=M;O=D'
+    base_url = 'https://builds.clementine-player.org/mac/'
+    file = open("#{base_url}#{last_modified_query}")
+           .read
+           .scan(%r{href="(clementine-[^"]+.dmg)"})
+           .flatten
+           .first
+    "#{base_url}#{file}"
+  end
+  name 'Clementine'
+  homepage 'https://www.clementine-player.org/'
+
+  conflicts_with cask: [
+                         'clementine',
+                         'clementine-rc',
+                       ]
+
+  app 'Clementine.app'
+
+  preflight do
+    set_permissions "#{staged_path}/Clementine.app", '0755'
+  end
+
+  zap delete: [
+                '~/Library/Caches/org.clementine-player.Clementine',
+                '~/Library/Saved Application State/org.clementine-player.Clementine.savedState',
+              ],
+      trash:  [
+                '~/Library/Application Support/Clementine',
+                '~/Library/Preferences/org.clementine-player.Clementine.plist',
+              ]
+end