Associate file with erb

Author: maxlinc

lib/thor/actions/file_manipulation.rb

@@ -113,7 +113,9 @@ def template(source, *args, &block)
       context = instance_eval("binding")
 
       create_file destination, nil, config do
-        content = ERB.new(::File.binread(source), nil, "-", "@output_buffer").result(context)
+        content = ERB.new(::File.binread(source), nil, "-", "@output_buffer").tap do | erb |
+          erb.filename = source
+        end.result(context)
         content = block.call(content) if block
         content
       end