Add `CLI::Options` DSL.

1 files changed, 10 insertions, 5 deletions

diff --git a/Library/Homebrew/cask/lib/hbc/cli/edit.rb b/Library/Homebrew/cask/lib/hbc/cli/edit.rb
index d8ab3d9e0..dec0fe36b 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/edit.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/edit.rb
@@ -1,16 +1,21 @@
 module Hbc
   class CLI
     class Edit < AbstractCommand
+      def initialize(*)
+        super
+        raise CaskUnspecifiedError if args.empty?
+        raise ArgumentError, "Only one Cask can be created at a time." if args.count > 1
+      end
+
       def run
-        cask_tokens = self.class.cask_tokens_from(@args)
-        raise CaskUnspecifiedError if cask_tokens.empty?
-        # only respects the first argument
-        cask_token = cask_tokens.first.sub(/\.rb$/i, "")
+        cask_token = args.first
         cask_path = CaskLoader.path(cask_token)
-        odebug "Opening editor for Cask #{cask_token}"
+
         unless cask_path.exist?
           raise CaskUnavailableError, %Q(#{cask_token}, run "brew cask create #{cask_token}" to create a new Cask)
         end
+
+        odebug "Opening editor for Cask #{cask_token}"
         exec_editor cask_path
       end