lib/arli/actions/action.rb in arli-0.6.1 vs lib/arli/actions/action.rb in arli-0.6.2

@@ -9,11 +9,11 @@
       extend Forwardable
       def_delegators :@library, :exists?, :path, :dir, :libraries_home
 
       class << self
         def inherited(klazz)
-          action_name = klazz.name.gsub(/.*::/, '').underscore.to_sym
+          action_name                          = klazz.name.gsub(/.*::/, '').underscore.to_sym
           ::Arli::Actions.actions[action_name] = klazz
         end
       end
 
       attr_accessor :library, :config
@@ -25,8 +25,48 @@
 
       def act(**_opts)
         raise 'Abstract method #act called on Action'
       end
 
+      def overwrite?
+        config.install.if_exists.overwrite
+      end
+
+      def backup?
+        config.install.if_exists.backup
+      end
+
+      def abort?
+        config.install.if_exists.abort
+      end
+
+      def mv(from, to)
+        handle_preexisting_folder(to)
+        FileUtils.mv(from, to)
+      end
+
+      def handle_preexisting_folder(to)
+        if Dir.exist?(to)
+          if abort?
+            raise ::Arli::Errors::LibraryAlreadyExists, "Directory #{to} already exists"
+          elsif backup?
+            backup!(to)
+          elsif overwrite?
+            FileUtils.rm_rf(to)
+          end
+        end
+      end
+
+      def backup!(p)
+        if Dir.exist?(p)
+          backup_path = "#{p}.arli-backup-#{Time.now.strftime('%Y%m%d%H%M%S')}"
+          FileUtils.mv(p, backup_path)
+          if config.verbose
+            ___ "\nNOTE: path #{p.blue} has been backed up to #{backup_path.bold.green}\n"
+          elsif !config.quiet
+            ___ ' backed up and'
+          end
+        end
+      end
     end
   end
 end