    # File lib/compass/commands/project_structure.rb, line 36
          def print_tree(file, depth = 0, importer = @compiler.importer)
            puts ((depth > 0 ? "|  " : "   ") * depth) + "+- " + Compass.deprojectize(file)
            @compiler.staleness_checker.send(:compute_dependencies, file, importer).each do |(dep, dep_importer)|
              print_tree(dep, depth + 1, dep_importer)# unless Compass.deprojectize(dep)[0...1] == "/"
            end
          end