Dependency tracker fails to recognise re-added item

[denisdefreyne]

Steps to reproduce

1. Create the following files:

   • content/org1.erb with content

     <ul>
     <% children_of(@item).each do |c| %>
       <li><%= c[:title] %></li>
     <% end %>
     </ul>
     

   • content/org1/oink.md with content

     ---
     title: Oink
     ---
     
     here is oink content
     

2. Compile with this:

   compile '/**/*' do
     filter :erb
     write ext: 'html'
   end
   

3. Include Nanoc::Helpers::ChildParent helper

4. Compile

5. Delete content/org1/oink.md and recompile

6. Recreate content/org1/oink.md and recompile

Expected behavior

output/org1/index.html contains a list with an item for output/oink.html

Actual behavior

output/org1/index.html contains an empty list

Details

n/a

Crash log

n/a