From d8199140e5940f02960196d1220c9a0ce8a23de1 Mon Sep 17 00:00:00 2001
From: Aditya Telange <21258296+adityatelange@users.noreply.github.com>
Date: Sun, 4 Oct 2020 09:23:27 +0530
Subject: [PATCH] post-cover: add support for relative path for cover image

* checks whether path mentioned in `cover` page-variable exists OR is an external url,
  else sets the relative path for image w.r.t the post the cover is of.
---
 layouts/_default/list.html   | 6 +++++-
 layouts/_default/single.html | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/layouts/_default/list.html b/layouts/_default/list.html
index 2d728e07..ef3ef296 100644
--- a/layouts/_default/list.html
+++ b/layouts/_default/list.html
@@ -33,7 +33,11 @@
 <article class="{{ $class }}">
   {{- if .Params.cover }}
   <figure class="entry-cover">
-    <img src="{{ .Params.cover | absURL }}" alt="cover image for {{ .Title }}">
+    {{ if (or (fileExists (path.Join "static" .Params.cover)) (hasPrefix .Params.cover "http://") (hasPrefix .Params.cover "https://")) }}
+    <img src="{{ .Params.cover | absURL }}" alt="cover image for {{ .Title | plainify }}">
+    {{else}}
+    <img src="{{ .Permalink -}} {{- .Params.cover }}" alt="cover image for {{ .Title | plainify }}">
+    {{end}}
   </figure>
   {{- end }}
   <header class="entry-header">
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index fc95dc63..7cdea8c9 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -28,7 +28,11 @@
   </header>
   {{- if .Params.cover }}
   <figure class="entry-cover">
+    {{ if (or (fileExists (path.Join "static" .Params.cover)) (hasPrefix .Params.cover "http://") (hasPrefix .Params.cover "https://")) }}
     <img src="{{ .Params.cover | absURL }}" alt="cover image for {{ .Title | plainify }}">
+    {{else}}
+    <img src="{{ .Permalink -}} {{- .Params.cover }}" alt="cover image for {{ .Title | plainify }}">
+    {{end}}
   </figure>
   {{- end }}
   {{- if .Params.ShowToc }}