Improve hugo perf a bit. (#6001)

- Improve efficiency of some lookups and loops.

- Stop generating spurious feed.xml files all over the
hierarchy.

config.toml

@@ -32,7 +32,7 @@ disableAliases = true
 
 [outputs]
   home = ["HTML", "RSS", "REDIR", "JSON"]
-  section = ["HTML", "RSS"]
+  section = ["HTML"]
 
 [outputFormats]
     [outputFormats.RSS]

content/en/blog/_index.md

@@ -7,4 +7,7 @@ icon: blog
 decoration: pill
 aliases:
     - /blog/posts/index.html
+outputs:
+    - html
+    - rss    
 ---

content/en/news/_index.md

@@ -5,4 +5,7 @@ linktitle: News
 sidebar_multicard: true
 icon: bullhorn
 decoration: pill
+outputs:
+    - html
+    - rss    
 ---

content/en/news/releases/1.5.x/announcing-1.5/_index.md

@@ -3,7 +3,7 @@ title: Announcing Istio 1.5
 linktitle: 1.5
 subtitle: Major Update
 description: Istio 1.5 release announcement.
-publishdate: 2020-02-11
+publishdate: 2019-12-05
 release: 1.5.0
 skip_list: true
 aliases:

layouts/partials/events.html

@@ -14,27 +14,25 @@
                 {{- else -}}
                     {{- $latest_release := "" -}}
                     {{- if or (eq .Params.period_start "latest_release") (eq $.Params.link "latest_release") -}}
-                        {{- range .Site.Pages -}}
+                        {{- range where .Site.Pages ".Page.Params.release" .Site.Data.args.full_version -}}
-                            {{- if eq .Page.Params.release .Site.Data.args.full_version -}}
                             {{- if not .Page.Params.draft -}}
                                 {{- $latest_release = . -}}
                             {{- end -}}
                         {{- end -}}
                     {{- end -}}
-                    {{- end -}}
 
-                    {{ $periodStart := $now }}
+                    {{- $periodStart := $now -}}
                     {{- if eq .Params.period_start "latest_release" -}}
                         {{- $periodStart = $latest_release.PublishDate -}}
                     {{- else -}}
-                        {{ $periodStart = time .Params.period_start }}
+                        {{- $periodStart = time .Params.period_start -}}
                     {{- end -}}
 
-                    {{ $periodEnd := $periodStart }}
+                    {{- $periodEnd := $periodStart -}}
                     {{- if .Params.period_duration -}}
                         {{- $periodEnd = $periodStart.AddDate 0  0 .Params.period_duration -}}
                     {{- else -}}
-                        {{ $periodEnd = time .Params.period_end }}
+                        {{- $periodEnd = time .Params.period_end -}}
                     {{- end -}}
 
                     {{- if lt $now $periodEnd -}}

layouts/partials/header.html

@@ -24,7 +24,7 @@
 
         <div id="header-links">
             {{ if not .Site.Data.args.archive_landing }}
-                {{ with (.Site.GetPage "section" "docs") }}
+                {{ with (.Site.GetPage "/docs") }}
                     {{ if eq .Permalink $current.Permalink }}
                         <span {{ if eq $section "docs" }}class="current" {{ end }}title="{{ .Description }}">{{ .LinkTitle }}</span>
                     {{ else }}
@@ -32,7 +32,7 @@
                     {{ end }}
                 {{ end }}
 
-                {{ with (.Site.GetPage "section" "blog") }}
+                {{ with (.Site.GetPage "/blog") }}
                     {{ $posts := (where .Site.Pages "Section" "blog").ByPublishDate.Reverse }}
                     {{ $latest_post := index $posts 0 }}
                     {{ $link := printf "%v%v/" .Permalink $latest_post.PublishDate.Year }}
@@ -44,7 +44,7 @@
                     {{ end }}
                 {{ end }}
 
-                {{ with (.Site.GetPage "section" "news")  }}
+                {{ with (.Site.GetPage "/news")  }}
                     {{ if eq .Permalink $current.Permalink }}
                         <span {{ if eq $section "news" }}class="current" {{ end }}title="{{ .Description }}">{{ .LinkTitle }}<i class="dot" data-prefix="/news"></i></span>
                     {{ else }}
@@ -52,7 +52,7 @@
                     {{ end }}
                 {{ end }}
 
-                {{ with (.Site.GetPage "section" "faq") }}
+                {{ with (.Site.GetPage "/faq") }}
                     {{ if eq .Permalink $current.Permalink }}
                         <span {{ if eq $section "faq" }}class="current" {{ end }}title="{{ .Description }}">{{ .LinkTitle }}</span>
                     {{ else }}
@@ -60,7 +60,7 @@
                     {{ end }}
                 {{ end }}
 
-                {{ with (.Site.GetPage "section" "about") }}
+                {{ with (.Site.GetPage "/about") }}
                     {{ if eq .Permalink $current.Permalink }}
                         <span {{ if eq $section "about" }}class="current" {{ end }}title="{{ .Description }}">{{ .LinkTitle }}</span>
                     {{ else }}

layouts/shortcodes/gloss.html

@@ -7,7 +7,7 @@
     {{- $gloss_entry = .Get 0 -}}
 {{- end -}}
 
-{{- $glossary := .Site.GetPage "section" "glossary" -}}
+{{- $glossary := .Site.GetPage "/docs/reference/glossary" -}}
 {{- $words := $glossary.Resources.ByType "page" -}}
 {{- $dfn := "" -}}
 {{- $title := $term -}}

layouts/shortcodes/relnote.html

@@ -69,14 +69,11 @@
     {{ $upgrade_notes := .Page.GetPage "./upgrade-notes" }}
     {{ if not $upgrade_notes }}
         {{ $base_version := printf "%v.%v.0" $page_version $page_revision }}
-        {{ range $page := .Site.Pages }}
+        {{ range $page := where .Site.Pages ".Params.release" $base_version }}
-            {{ $release := $page.Params.release }}
-            {{ if eq $release $base_version }}
             {{ $path := printf "/%supgrade-notes" $page.File.Dir }}
             {{ $upgrade_notes = .Page.GetPage $path }}
         {{ end }}
     {{ end }}
-    {{ end }}
 
     {{ if $upgrade_notes }}
         <a class="entry" href="{{ $upgrade_notes.Permalink }}">