include Utils in Rakefile.rb

Rakefile.rb

@@ -4,7 +4,8 @@ require "bundler/setup"
 require "nanoc"
 require "ryo"
 require "ryo/yaml"
-require "yaml"
+require_relative "nanoc/lib/utils"
+include Utils
 
 begin
   load "rake/tasks/deploy.rake"

nanoc/lib/utils.rb

@@ -2,8 +2,9 @@
 
 ##
 # The {Utils Utils} module provides methods that are
-# available at build time. Both ERB templates and the
-# Rules file have access to the methods of this module
+# available at build time. ERB templates, the Rules file
+# and Rakefile.rb all have access to the methods of this
+# module
 module Utils
   require "test-cmd"
   require_relative "utils/t"
@@ -78,4 +79,4 @@ module Utils
   include ERB
   include OpenGraph
 end
-use_helper Utils
+use_helper(Utils) if respond_to?(:use_helper)

rake/tasks/t.rake

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 namespace :t do
-  jsondir = File.join(Dir.getwd, "src", "json")
+  jsondir = File.join(dirs.content, "json")
   desc "Generate /json/<locale>/<surahid>/info.json from surahs.json"
   task :"surahs.json" do
     require "json"