Apply Rubocop fixes

Author: joeyates

lib/imap/backup/cli/local.rb

@@ -171,20 +171,21 @@ def show_emails_as_text(serializer, uids)
       serializer.each_message(uids).each do |message|
         if uids.count > 1
           Kernel.puts <<~HEADER
-              #{'-' * 80}
-              #{format('| UID: %-71s |', message.uid)}
-              #{'-' * 80}
+            #{'-' * 80}
+            #{format('| UID: %-71s |', message.uid)}
+            #{'-' * 80}
           HEADER
         end
         Kernel.puts message.body
       end
     end
 
     def config
-      @config ||= begin
-                    non_logging_options = Logger.setup_logging(options)
-                    load_config(**non_logging_options)
-                  end
+      @config ||=
+        begin
+          non_logging_options = Logger.setup_logging(options)
+          load_config(**non_logging_options)
+        end
     end
   end
 end

lib/imap/backup/cli/transfer.rb

@@ -96,9 +96,7 @@ def ensure_no_prefix_or_delimiter_parameters!
       if destination_delimiter
         raise "--automatic-namespaces is incompatible with --destination-delimiter"
       end
-      if destination_prefix
-        raise "--automatic-namespaces is incompatible with --destination-prefix"
-      end
+      raise "--automatic-namespaces is incompatible with --destination-prefix" if destination_prefix
       raise "--automatic-namespaces is incompatible with --source-delimiter" if source_delimiter
       raise "--automatic-namespaces is incompatible with --source-prefix" if source_prefix
     end