lib/quality/tools/cane.rb in quality-22.0.0 vs lib/quality/tools/cane.rb in quality-23.0.0

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 module Quality
   module Tools
     # Adds 'cane' tool support to quality gem
     module Cane
       private
@@ -10,14 +12,20 @@
           "--style-exclude '#{source_files_exclude_glob}'",
           "--doc-exclude '#{source_files_exclude_glob}'",
         ]
       end
 
+      def ruby_files_glob
+        "{#{ruby_files.join(',')}}"
+      end
+
       def cane_args
         args = [
           "-f '#{ruby_files_glob}'",
         ]
-        args += cane_exclude_args unless exclude_files.empty?
+        unless exclude_files.nil? || exclude_files.empty?
+          args += cane_exclude_args
+        end
         args.join(' ')
       end
 
       def quality_cane
         ratchet_quality_cmd('cane', gives_error_code_on_violations: true,