fix: image caching cache key

layouts/_partials/item-tile.html

@@ -34,7 +34,7 @@
       {{ if .Params.featured_image }}
       style="background-image: url(
         {{ with .Resources.GetMatch .Params.featured_image }}
-          {{- partialCached "images/get-image.html" ( dict "img" . "size" "500x" ) ( printf "%s-500x" .Title ) -}}
+          {{- partialCached "images/get-image.html" ( dict "img" . "size" "500x" ) . "500x" -}}
         {{- else -}}
           {{- warnf "Featured image %s is not a page resource" .Params.featured_image -}}
           {{- .Params.featured_image -}}
@@ -48,7 +48,7 @@
           style="display: none;"
           src="
           {{- with .Resources.GetMatch .Params.featured_image -}}
-            {{- partialCached "images/get-image.html" ( dict "img" . "size" "500x" ) ( printf "%s-500x" .Title ) -}}
+            {{- partialCached "images/get-image.html" ( dict "img" . "size" "500x" ) . "500x" -}}
           {{- else -}}
             {{- warnf "Featured image %s is not a page resource" .Params.featured_image -}}
             {{- .Params.featured_image -}}

layouts/_partials/media/picture.html

@@ -3,16 +3,17 @@
 
     @params src Image media file.
     @params raw Force raw image only. Optional.
+    @params cacheBust Force cache busting. Optional.
 -->
 
 <!-- Variable assignment -->
 
 {{- $src := .src -}}
 {{- $hint := default ( index $src.Params "hint" ) "" }}
+{{- $cacheBust := cond ( and ( isset . "cacheBust" ) .cacheBust ) "" ( md5 now.UnixNano ) -}}
 {{- $format := cond ( and ( isset . "raw" ) .raw ) "" "webp" -}}
 {{- $isResizable := not ( in ( slice "svg" "gif" ) $src.MediaType.SubType ) -}}
 
-
 <!-- Rendering -->
 
 <picture
@@ -21,17 +22,17 @@
 >
   {{ if $isResizable -}}
     <source 
-      srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "same" "format" $format ) $src.Title -}}"
+      srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "same" "format" $format ) $src $cacheBust -}}"
     />
     {{- if gt $src.Width 1200 -}}
       <source 
-        srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "1200x" "format" $format ) ( printf "%s-1200x" $src.Title ) -}}" 
+        srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "1200x" "format" $format ) $src "1200x" $cacheBust -}}"
         media="(max-width: 1200px)"
       />
     {{- end -}}
     {{- if gt $src.Width 800 -}}
       <source
-        srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "800x" "format" $format ) ( printf "%s-800x" $src.Title ) -}}"
+        srcset="{{- partialCached "images/get-image.html" ( dict "img" $src "size" "800x" "format" $format ) $src "800x" $cacheBust -}}"
         media="(max-width: 800px)"
       />
     {{- end -}}
@@ -41,7 +42,7 @@
     {{ if not $isResizable -}}
       src="{{- $src.RelPermalink -}}"
     {{- else -}}
-      src="{{- partialCached "images/get-image.html" ( dict "img" $src "format" $format ) $src.Title -}}" 
+      src="{{- partialCached "images/get-image.html" ( dict "img" $src "format" $format ) $src $cacheBust -}}"
       width="{{- $src.Width -}}"
       height="{{- $src.Height -}}"
     {{- end }}

layouts/_partials/media/video.html

@@ -16,7 +16,7 @@
     poster="
     {{- if $src.Params.poster -}}
         {{- $posterSrc := $.Page.Resources.GetMatch ( .Get $src.Params.poster ) -}}
-        {{- partialCached "images/get-image.html" ( dict "img" $posterSrc ) $posterSrc.Title -}}
+        {{- partialCached "images/get-image.html" ( dict "img" $posterSrc ) $posterSrc -}}
     {{- else -}}
         {{- erroridf "a11y-video-poster" "No poster defined for resource %q (%q)" $src.RelPermalink .page_file_path -}}
     {{- end -}}

layouts/_partials/single/main-header/item-tile.html

@@ -20,7 +20,7 @@
     style="display: none;"
     src="
     {{- with ( $.pc.Resources.GetMatch . ) -}}
-      {{- partialCached "images/get-image.html" ( dict "img" . ) .Title -}}
+      {{- partialCached "images/get-image.html" ( dict "img" . ) . -}}
     {{- else -}}
       {{- . -}}
     {{- end -}}
@@ -37,7 +37,7 @@
   class="article-header__featured-image"
   {{ with .pc.Params.featured_image }}
     {{ with ( $.pc.Resources.GetMatch . ) }}
-      style="background-image: url({{- partialCached "images/get-image.html" ( dict "img" . ) .Title -}})"
+      style="background-image: url({{- partialCached "images/get-image.html" ( dict "img" . ) . -}})"
     {{ else }}
       {{- if $.pc.Page.Resources -}}
         {{- errorf "No Page Resource found for src '%q' (%q).\n\n\tAvailable Page Resources are:\n\t\t%v" . $.pc.Page.File.Path $.pc.Page.Resources -}}

layouts/_shortcodes/picture.html

@@ -5,12 +5,14 @@
     @params link  URI or Page Resource to wrap image in. Optional.
     @params rel Force relationship value. Optional.
     @params raw Force raw image only. Optional.
+    @params cacheBust Force cache busting. Optional.
 -->
 
 <!-- Variable assignment -->
 
 {{- $src := $.Page.Resources.GetMatch ( .Get "src" ) -}}
 {{- $raw := default false ( .Get "raw" ) -}}
+{{- $cacheBust := default false ( .Get "cacheBust" ) -}}
 {{- $linkedResource := $.Page.Resources.GetMatch ( .Get "link" ) -}}
 {{- $valid_rel_values := partialCached "util/get_valid_rel_values.html" . -}}
 
@@ -39,7 +41,7 @@
         <a href="{{- .Get "link" -}}">
     {{- end -}}
 {{- end -}}
-{{- partial "media/picture.html" ( dict "src" $src "raw" $raw ) -}}
+{{- partial "media/picture.html" ( dict "src" $src "raw" $raw "cacheBust" $cacheBust ) -}}
 {{- if .Get "link" -}}
     </a>
 {{- end -}}

layouts/cv/organisations/section.html

@@ -27,7 +27,7 @@
                 {{- $darkest = index (sort .Colors "Luminance") 0 -}}
                 {{- $lightest = index (sort .Colors "Luminance" "desc") 0 -}}
               {{- end -}}
-              style="background-image: url({{- partialCached "images/get-image.html" ( dict "img" . ) .Title -}}); 
+              style="background-image: url({{- partialCached "images/get-image.html" ( dict "img" . ) . -}});
               background-color: {{ default ( default "#fff" $lightest ) .Params.bg -}};"
             {{- else -}}
               {{- errorf "No Page Resource found for src '%q' (%q).\n\n\tAvailable Page Resources are:\n\t\t%v" . $.Page.File.Path $.Page.Resources -}}