lib/nanoc/cli.rb in nanoc-3.4.0 vs lib/nanoc/cli.rb in nanoc-3.4.1

@@ -1,7 +1,13 @@
 # encoding: utf-8
 
-require 'cri'
+begin
+  require 'cri'
+rescue LoadError => e
+  $stderr.puts e
+  $stderr.puts "If you are using a Gemfile, make sure that the Gemfile contains nanoc ('gem \"nanoc\"')."
+  exit 1
+end
 
 module Nanoc::CLI
 
   module Commands
   end