Add atom feed xml

config.toml

@@ -1,8 +1,8 @@
 baseURL = "https://klknn.github.io/"
 languageCode = "ja"
 title = "klknn log"
+summaryLength = 300
 
 [params]
   author = "klknn"
   editURL = "https://github.com/klknn/klknn.github.io/edit/develop/content"
-

layouts/_default/baseof.html

@@ -6,6 +6,9 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>{{ block "title" . }}{{ end }}</title>
     <link rel="stylesheet" type="text/css" href="{{ relURL "/main.css" }}">
+    {{ range .AlternativeOutputFormats -}}
+    {{ printf `<link rel="%s" type="application/atom" href="%s" title="Atom" />` .Rel .Permalink | safeHTML }}
+    {{ end -}}
     <script>
       MathJax = {
           tex: {

layouts/index.xml

@@ -0,0 +1,37 @@
+{{- $pctx := . -}}
+{{- if .IsHome -}}{{ $pctx = .Site }}{{- end -}}
+{{- $pages := slice -}}
+{{- if or $.IsHome $.IsSection -}}
+{{- $pages = $pctx.RegularPages -}}
+{{- else -}}
+{{- $pages = $pctx.Pages -}}
+{{- end -}}
+{{- $limit := .Site.Config.Services.RSS.Limit -}}
+{{- if ge $limit 1 -}}
+{{- $pages = $pages | first $limit -}}
+{{- end -}}
+{{- printf "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"yes\"?>" | safeHTML }}
+<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="ja">
+  <title>{{ if eq  .Title  .Site.Title }}{{ .Site.Title }}{{ else }}{{ with .Title }}{{.}} on {{ end }}{{ .Site.Title }}{{ end }}</title>
+
+  <link>{{ .Permalink }}</link>
+  <updated>{{ time.Format "2006-01-02T15:04:05-0700" .Site.LastChange | safeHTML }}</updated>
+  <author>
+    <name>{{ $.Site.Params.author }}</name>
+  </author>
+  <generator uri="https://gohugo.io" version="{{ hugo.Version }}">Hugo</generator>
+  <id>{{ .Permalink }}</id>
+
+  {{ range $pages }}
+  <entry>
+    <title>{{ .Title }}</title>
+    <link href="{{ .Permalink }}"/>
+    <id>{{ .Permalink }}</id>
+    <published>{{ .PublishDate.Format "2006-01-02T15:04:05-0700" | safeHTML }}</published>
+    <updated>{{ .Lastmod.Format "2006-01-02T15:04:05-0700" | safeHTML }}</updated>
+    {{ with .Site.Author.email }}<author>{{.}}{{ with $.Site.Author.name }} ({{.}}){{end}}</author>{{end}}
+    <summary type="html">{{ .Summary | htmlEscape }}...</summary>
+    <content type="html">{{ .Content | htmlEscape }}</content>
+  </entry>
+  {{ end }}
+</feed>