{{- if and .Page.IsSection (eq .Section "archives") }}
  {{- $paginator := (.Paginate (where .Page.Site.RegularPages "Section" "in" .Site.Params.mainSections)).Pages.GroupByDate "2006" }}
  {{ partial "list.html" $paginator }}
{{ else }}
  {{- $paginator := .Paginator.Pages.GroupByDate "2006" }}
  {{ partial "list.html" $paginator }}
{{- end }}