<% if (options.bootstrap) { %>// variables index - all actual variables should go into project-variables // or custom-bootstrap variables files. @import 'project-variables'; // project variables @import 'custom-bootstrap'; // overridden bootstrap variables // the default bootstrap variables get included via main import in index.scss<% } else { %> // your project variables go here // this file can safely be included from multiple locations as variables do // not end up in the final compiled CSS. <% } %>