def run_on_file(file_path, env = {})
      renderer = Roger::Renderer.new(
        env.dup,
        partials_path: project.partial_path,
        layouts_path: project.layouts_path
      )
      renderer.render(file_path, project.options[:renderer] || {})
    end
def run_on_file(file_path, env = {})
      renderer = Roger::Renderer.new(
        env.dup,
        partials_path: project.partial_path,
        layouts_path: project.layouts_path
      )
      renderer.render(file_path, project.options[:renderer] || {})
    end
Runs the template on a single file and return processed source.