{{ if eq .Section "posts" }}
  {{ .Summary | truncate .Site.Params.summary_length "..." }}
{{ else }}
  {{ if .Params.subtitle }}
    {{ .Params.subtitle | markdownify }}
  {{ else if .Params.repo }}
    {{ (getJSON "https://api.github.com/repos/" .Params.repo).description }}
  {{ else if .Params.gist }}
    {{ (getJSON "https://api.github.com/gists/" .Params.gist).description }}
  {{ else }}
    {{ .Summary | truncate .Site.Params.summary_length "..." }}
  {{ end }}
{{ end }}