lib/nanoc/base/compilation/dependency_tracker.rb in nanoc-3.7.3 vs lib/nanoc/base/compilation/dependency_tracker.rb in nanoc-3.7.4

@@ -35,11 +35,11 @@
     #   and layouts whose dependencies should be managed
     def initialize(objects)
       super('tmp/dependencies', 4)
 
       @objects = objects
-      @graph   = Nanoc::DirectedGraph.new([ nil ] + @objects)
+      @graph   = Nanoc::DirectedGraph.new([nil] + @objects)
       @stack   = []
     end
 
     # Starts listening for dependency messages (`:visit_started` and
     # `:visit_ended`) and start recording dependencies.
@@ -51,29 +51,29 @@
       # on all objects pushed above it.
       @stack = []
 
       # Register start of visits
       Nanoc::NotificationCenter.on(:visit_started, self) do |obj|
-        if !@stack.empty?
+        unless @stack.empty?
           Nanoc::NotificationCenter.post(:dependency_created, @stack.last, obj)
           record_dependency(@stack.last, obj)
         end
         @stack.push(obj)
       end
 
       # Register end of visits
-      Nanoc::NotificationCenter.on(:visit_ended, self) do |obj|
+      Nanoc::NotificationCenter.on(:visit_ended, self) do |_obj|
         @stack.pop
       end
     end
 
     # Stop listening for dependency messages and stop recording dependencies.
     #
     # @return [void]
     def stop
       # Sanity check
-      if !@stack.empty?
+      unless @stack.empty?
         raise 'Internal inconsistency: dependency tracker stack not empty at end of compilation'
       end
 
       # Unregister
       Nanoc::NotificationCenter.remove(:visit_started, self)
@@ -167,24 +167,24 @@
       load
     end
 
     # @see Nanoc::Store#unload
     def unload
-      @graph = Nanoc::DirectedGraph.new([ nil ] + @objects)
+      @graph = Nanoc::DirectedGraph.new([nil] + @objects)
     end
 
-  protected
+    protected
 
     def data
       {
         :edges    => @graph.edges,
         :vertices => @graph.vertices.map { |obj| obj && obj.reference }
       }
     end
 
     def data=(new_data)
       # Create new graph
-      @graph = Nanoc::DirectedGraph.new([ nil ] + @objects)
+      @graph = Nanoc::DirectedGraph.new([nil] + @objects)
 
       # Load vertices
       previous_objects = new_data[:vertices].map do |reference|
         @objects.find { |obj| reference == obj.reference }
       end