lib/rubocop/cop/style/command_literal.rb in rubocop-0.55.0 vs lib/rubocop/cop/style/command_literal.rb in rubocop-0.56.0

@@ -93,11 +93,11 @@
 
         def autocorrect(node)
           return if contains_backtick?(node)
 
           replacement = if backtick_literal?(node)
-                          ['%x', ''].zip(preferred_delimiters).map(&:join)
+                          ['%x', ''].zip(preferred_delimiter).map(&:join)
                         else
                           %w[` `]
                         end
 
           lambda do |corrector|
@@ -167,12 +167,24 @@
 
         def backtick_literal?(node)
           node.loc.begin.source == '`'
         end
 
-        def preferred_delimiters
+        def preferred_delimiter
+          (command_delimiter || default_delimiter).split(//)
+        end
+
+        def command_delimiter
+          preferred_delimiters_config['%x']
+        end
+
+        def default_delimiter
+          preferred_delimiters_config['default']
+        end
+
+        def preferred_delimiters_config
           config.for_cop('Style/PercentLiteralDelimiters') \
-            ['PreferredDelimiters']['%x'].split(//)
+            ['PreferredDelimiters']
         end
       end
     end
   end
 end