lib/xcode/install/install.rb in xcode-install-1.2.2 vs lib/xcode/install/install.rb in xcode-install-1.2.3

@@ -30,10 +30,10 @@
       end
 
       def validate!
         super
 
-        return if @version.nil?
+        help! 'A VERSION argument is required.' unless @version
         fail Informative, "Version #{@version} already installed." if @installer.installed?(@version)
         fail Informative, "Version #{@version} doesn't exist." unless @installer.exist?(@version)
         fail Informative, "Invalid URL: `#{@url}`" unless !@url || @url =~ /\A#{URI.regexp}\z/
       end