compile.rb in nanoc-3.7.4

- old
+ new

@@ -1,9 +1,9 @@
 # encoding: utf-8
 
-usage       'compile [options]'
-summary     'compile items of this site'
+usage 'compile [options]'
+summary 'compile items of this site'
 description <<-EOS
 Compile all items of the current site.
 
 The compile command will show all items of the site as they are processed. The time spent compiling the item will be printed, as well as a status message, which can be one of the following:
 
@@ -31,19 +31,19 @@
     # and set up notifications to listen to.
     #
     # @abstract Subclasses must override {#start} and may override {#stop}.
     class Listener
 
-      def initialize(params = {})
+      def initialize(_params = {})
       end
 
       # @param [Nanoc::CLI::CommandRunner] command_runner The command runner for this listener
       #
       # @return [Boolean] true if this listener should be enabled for the given command runner, false otherwise
       #
       # @abstract Returns `true` by default, but subclasses may override this.
-      def self.enable_for?(command_runner)
+      def self.enable_for?(_command_runner)
         true
       end
 
       # Starts the listener. Subclasses should override this method and set up listener notifications.
       #
@@ -77,12 +77,12 @@
         old_contents = {}
         Nanoc::NotificationCenter.on(:will_write_rep) do |rep, snapshot|
           path = rep.raw_path(:snapshot => snapshot)
           old_contents[rep] = File.file?(path) ? File.read(path) : nil
         end
-        Nanoc::NotificationCenter.on(:rep_written) do |rep, path, is_created, is_modified|
-          if !rep.binary?
+        Nanoc::NotificationCenter.on(:rep_written) do |rep, path, _is_created, _is_modified|
+          unless rep.binary?
             new_contents = File.file?(path) ? File.read(path) : nil
             if old_contents[rep] && new_contents
               generate_diff_for(rep, old_contents[rep], new_contents)
             end
             old_contents.delete(rep)
@@ -94,11 +94,11 @@
       def stop
         super
         teardown_diffs
       end
 
-    protected
+      protected
 
       def setup_diffs
         @diff_lock    = Mutex.new
         @diff_threads = []
         FileUtils.rm('output.diff') if File.file?('output.diff')
@@ -135,12 +135,12 @@
             old_file.flush
             new_file.write(b)
             new_file.flush
 
             # Diff
-            cmd = [ 'diff', '-u', old_file.path, new_file.path ]
-            Open3.popen3(*cmd) do |stdin, stdout, stderr|
+            cmd = ['diff', '-u', old_file.path, new_file.path]
+            Open3.popen3(*cmd) do |_stdin, stdout, _stderr|
               result = stdout.read
               return (result == '' ? nil : result)
             end
           end
         end
@@ -167,36 +167,36 @@
         @reps = params.fetch(:reps)
       end
 
       # @see Listener#start
       def start
-        Nanoc::NotificationCenter.on(:filtering_started) do |rep, filter_name|
+        Nanoc::NotificationCenter.on(:filtering_started) do |_rep, filter_name|
           @times[filter_name] ||= []
           @times[filter_name] << { :start => Time.now }
         end
-        Nanoc::NotificationCenter.on(:filtering_ended) do |rep, filter_name|
+        Nanoc::NotificationCenter.on(:filtering_ended) do |_rep, filter_name|
           @times[filter_name].last[:stop] = Time.now
         end
       end
 
       # @see Listener#stop
       def stop
         print_profiling_feedback
         super
       end
 
-    protected
+      protected
 
       def print_profiling_feedback
         # Get max filter length
         max_filter_name_length = durations_per_filter.keys.map { |k| k.to_s.size }.max
         return if max_filter_name_length.nil?
 
         # Print warning if necessary
         if @reps.any? { |r| !r.compiled? }
           $stderr.puts
-          $stderr.puts 'Warning: profiling information may not be accurate because ' +
+          $stderr.puts 'Warning: profiling information may not be accurate because ' \
                        'some items were not compiled.'
         end
 
         # Print header
         puts
@@ -258,21 +258,21 @@
 
     # Controls garbage collection so that it only occurs once every 20 items
     class GCController < Listener
 
       # @see Listener#enable_for?
-      def self.enable_for?(command_runner)
+      def self.enable_for?(_command_runner)
         !ENV.key?('TRAVIS')
       end
 
-      def initialize(params = {})
+      def initialize(_params = {})
         @gc_count = 0
       end
 
       # @see Listener#start
       def start
-        Nanoc::NotificationCenter.on(:compilation_started) do |rep|
+        Nanoc::NotificationCenter.on(:compilation_started) do |_rep|
           if @gc_count % 20 == 0
             GC.enable
             GC.start
             GC.disable
           end
@@ -343,11 +343,11 @@
       # @see Listener#start
       def start
         Nanoc::NotificationCenter.on(:compilation_started) do |rep|
           @start_times[rep.raw_path] = Time.now
         end
-        Nanoc::NotificationCenter.on(:rep_written) do |rep, path, is_created, is_modified|
+        Nanoc::NotificationCenter.on(:rep_written) do |_rep, path, is_created, is_modified|
           duration = path && @start_times[path] ? Time.now - @start_times[path] : nil
           action =
             case
             when is_created  then :create
             when is_modified then :update
@@ -365,17 +365,17 @@
 
       # @see Listener#stop
       def stop
         super
         @reps.select { |r| !r.compiled? }.each do |rep|
-          rep.raw_paths.each do |snapshot_name, raw_path|
+          rep.raw_paths.each do |_snapshot_name, raw_path|
             log(:low, :skip, raw_path, nil)
           end
         end
       end
 
-    private
+      private
 
       def log(level, action, path, duration)
         Nanoc::CLI::Logger.instance.file(level, action, path, duration)
       end
 
@@ -401,11 +401,11 @@
       time_after = Time.now
       puts
       puts "Site compiled in #{format('%.2f', time_after - time_before)}s."
     end
 
-  protected
+    protected
 
     def prune
       if site.config[:prune][:auto_prune]
         Nanoc::Extra::Pruner.new(site, :exclude => prune_config_exclude).run
       end
@@ -420,12 +420,12 @@
         Nanoc::CLI::Commands::Compile::FileActionPrinter
       ]
     end
 
     def setup_listeners
-      @listeners = @listener_classes.
-        select { |klass| klass.enable_for?(self) }.
-        map    { |klass| klass.new(:reps => reps) }
+      @listeners = @listener_classes
+        .select { |klass| klass.enable_for?(self) }
+        .map    { |klass| klass.new(:reps => reps) }
 
       @listeners.each { |s| s.start }
     end
 
     def listeners