Rakefile in dotcrypt-0.1.2 vs Rakefile in dotcrypt-0.1.3

@@ -7,6 +7,22 @@
 
 require "rubocop/rake_task"
 
 RuboCop::RakeTask.new
 
-task default: [:spec, :rubocop]
+namespace :dhall do
+  dhall_files = Dir["./**/.*.dhall"] + Dir["./**/*.dhall"]
+
+  def dhall(*args)
+    system("dhall", *args, exception: true)
+  end
+
+  task :check_fmt do
+    dhall("format", "--check", *dhall_files)
+  end
+
+  task :fmt do
+    dhall("format", *dhall_files)
+  end
+end
+
+task default: ["dhall:fmt", :spec, :rubocop]