{{- $items := slice -}}
{{- range where site.RegularPages "Section" "in" (slice "posts" "projects" "apps") -}}
  {{- $description := .Description | default (.Summary | plainify) -}}
  {{- $section := title .Section -}}
  {{- if eq .Section "apps" }}{{ $section = "Projects" }}{{ end -}}
  {{- $items = $items | append (dict
    "title" .Title
    "link" .Permalink
    "guid" .Permalink
    "date" .Date
    "section" $section
    "description" $description
  ) -}}
{{- end -}}

{{- range hugo.Data.publications -}}
  {{- $parts := slice -}}
  {{- with .authors }}{{ $parts = $parts | append . }}{{ end -}}
  {{- with .venue }}{{ $parts = $parts | append . }}{{ end -}}
  {{- $link := ("/publications/" | absURL) -}}
  {{- with .links }}{{ with index . 0 }}{{ $link = .url }}{{ end }}{{ end -}}
  {{- $items = $items | append (dict
    "title" .title
    "link" $link
    "guid" $link
    "date" (time.AsTime (printf "%v-01-01T00:00:00Z" .year))
    "section" "Publications"
    "description" (delimit $parts ". ")
  ) -}}
{{- end -}}

{{- $items = sort $items "date" "desc" -}}
{{- $latest := now -}}
{{- with index $items 0 }}{{ $latest = .date }}{{ end -}}
{{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>{{ site.Title | html }}</title>
    <link>{{ site.Home.Permalink }}</link>
    <description>{{ site.Params.description | html }}</description>
    <generator>Hugo</generator>
    <language>{{ site.Language.Locale | default "en-us" }}</language>
    <lastBuildDate>{{ $latest.Format "Mon, 02 Jan 2006 15:04:05 -0700" }}</lastBuildDate>
    <atom:link href="{{ "index.xml" | absURL }}" rel="self" type="application/rss+xml" />
    {{ range $items }}
      <item>
        <title>{{ .title | html }}</title>
        <link>{{ .link }}</link>
        <pubDate>{{ .date.Format "Mon, 02 Jan 2006 15:04:05 -0700" }}</pubDate>
        <guid>{{ .guid }}</guid>
        <category>{{ .section | html }}</category>
        <description>{{ .description | plainify | html }}</description>
      </item>
    {{ end }}
  </channel>
</rss>