fix autocover partial

README.md

@@ -145,6 +145,11 @@ paginate = 5
   # it's set to `true` by default
   # oneHeadingSize = false
 
+  # if your resource directory contains an image called `cover.(jpg|png|webp)`,
+  # then the file will be used as a cover automatically.
+  # With this option you don't have to put the `cover` param in a front-matter.
+  # autoCover = true
+
 [params.twitter]
   # set Twitter handles for Twitter cards
   # see https://developer.twitter.com/en/docs/tweets/optimize-with-cards/guides/getting-started#card-and-content-attribution

layouts/partials/cover.html

@@ -1,5 +1,6 @@
 {{- $cover := false -}}
 {{- $autoCover := default $.Site.Params.autoCover false }}
+
 {{- if index .Params "cover" -}}
   {{- if .Resources.GetMatch .Params.Cover }}
     {{- $cover = (.Resources.GetMatch .Params.Cover).RelPermalink -}}
@@ -7,12 +8,13 @@
     {{- $cover = absURL .Params.Cover -}}
   {{- end -}}
 {{- else if $.Site.Params.AutoCover -}}
-  {{- if and ( index .Params "cover" ) (not .Params.Cover) -}}
+  {{- if (not .Params.Cover) -}}
     {{- if .Resources.GetMatch "cover.*" -}}
       {{- $cover = (.Resources.GetMatch "cover.*").RelPermalink -}}
     {{- end -}}
   {{- end -}}
 {{- end -}}
+
 {{if $cover -}}
   <!-- Cover image found -->
   <img src="{{ $cover }}"