redzuurdesem/themes/desem-swift-theme/layouts/partials/aside.html

{{- $kin := (where .Site.RegularPages ".Params.tags" "intersect" .Params.tags) }}

{{ if (ne (len $kin) 0) }}
  <h3>{{ i18n "moreFrom" .Site.Title }} &raquo;</h3>
  <ul class='posts aside'>
    {{- $siblings := (where $kin ".Title" "!=" .Title) }}
    {{- with $siblings }}
      {{- range first 2 . }}
        {{- partial "excerpt" . }}
      {{- end }}
    {{- else }}
      {{- $kin := (where .Site.RegularPages "Section" .Section) }}
      {{- $siblings := (where $kin ".Title" "!=" .Title) }}
      {{- range first 2 $siblings }}
        {{- partial "excerpt" . }}
      {{- end }}
    {{- end }}
  </ul>
{{ end }}