fix: Support offline builds

Signed-off-by: Anshuman Tripathi <[email protected]>

Author: AnshumanTripathi

layouts/_default/cve-feed.rss.xml

@@ -20,6 +20,8 @@
     {{- warnf $message -}}
   {{- end -}}
 {{- end -}}
+<!-- Render last build date only if CVE feed is available, accommodating for offline builds. -->
+{{- if and (ne $feed nil) (ne (printf "%T" $feed) "string") -}}
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
   <channel>
     <title>{{ $feed.title }}</title>
@@ -28,10 +30,7 @@
     <generator>Hugo -- gohugo.io</generator>
     <language>en-US</language>
 	<copyright>{{ .Site.Params.Copyright_k8s }}</copyright>
-    <!-- Render last build date only if CVE feed is available, accommodating for offline builds. -->
-    {{- if ne $feed nil -}}
     <lastBuildDate>{{ time.Format "Mon, 02 Jan 2006 15:04:05 -0700" $feed._kubernetes_io.updated_at | safeHTML }}</lastBuildDate>
-    {{- end -}}
     {{ with .OutputFormats.Get "RSS" -}}
 	{{ printf "<atom:link href=%q rel=\"self\" type=%q />" .Permalink .MediaType | safeHTML }}
     {{ end -}}
@@ -47,4 +46,4 @@
     {{ end -}}
   </channel>
 </rss>
-
+{{- end -}}

layouts/shortcodes/cve-feed.html

@@ -33,7 +33,7 @@
 {{- end -}}
 
 <!-- Render table only if CVE feed is available, accommodating for offline builds. -->
-{{ if ne $feed nil }}
+{{ if and (ne $feed nil) (ne (printf "%T" $feed) "string") }}
 <table class="security-cves">
   <caption style="caption-side: top;">{{ T "cve_table" }} {{ printf (T "cve_table_date_format_string") ($feed._kubernetes_io.updated_at | time.Format (T "cve_table_date_format")) }}</caption>
   <thead>

layouts/shortcodes/release-binaries.html

@@ -23,7 +23,7 @@
 {{- end -}}
 
 <!-- Continue processing only if release binaries JSON is available, accommodating for offline builds. -->
-{{ if ne $response nil }}
+{{ if and (ne $response nil) ((ne (printf "%T" $response) "string")) }}
 {{ $currentVersion := site.Params.version }}
 
 {{ $Binaries := slice }}
@@ -151,4 +151,4 @@
         </table>
     </div>
 </div>
-{{- end -}}
+{{- end -}}