.file_holder
  Edit file: 
  %span.file_name
    = @tree.path.force_encoding('utf-8')
    %br
    = form_tag(project_tree_path(@project, @id), :method => :put) do
      %textarea
        = @tree.data
      = hidden_field_tag 'last_commit', @last_commit
      = submit_tag "Save"