Merge pull request #3821 from rednoah/master

Fix broken support GPG containers with embedded signatures

Library/Homebrew/cask/lib/hbc/dsl/gpg.rb

@@ -14,7 +14,7 @@ module Hbc
 
       def initialize(signature, parameters = {})
         @parameters = parameters
-        @signature = URI(signature)
+        @signature = URI(signature) unless signature == :embedded
         parameters.each do |hkey, hvalue|
           raise "invalid 'gpg' parameter: '#{hkey.inspect}'" unless VALID_PARAMETERS.include?(hkey)
           writer_method = "#{hkey}=".to_sym

Library/Homebrew/cask/lib/hbc/verify/gpg.rb

@@ -49,7 +49,7 @@ module Hbc
       end
 
       def verify
-        return unless available?
+        return unless available? && cask.gpg.signature != :embedded
         import_key
         sig = fetch_sig