<ol  class="nav navbar-nav">
  {{ template "breadcrumbnav" (dict "p1" . "p2" .) }}
</ol>
{{ define "breadcrumbnav" }}
{{ if .p1.Parent }}
{{ template "breadcrumbnav" (dict "p1" .p1.Parent "p2" .p2 )  }}
{{ else if not .p1.IsHome }}
{{ template "breadcrumbnav" (dict "p1" .p1.Site.Home "p2" .p2 )  }}
{{ end }}
<li>
  <a href="{{ .p1.Permalink }}"{{ if eq .p1 .p2 }} class="active"{{ end }}>{{ .p1.Title }}</a>
</li>
{{ end }}