From f173b974045c3a34f6b053f20c6e798f887d24e9 Mon Sep 17 00:00:00 2001
From: Ryan Carpenter <carpiediem@gmail.com>
Date: Mon, 22 Aug 2016 20:56:04 +0800
Subject: [PATCH] Use page.header.teaser instead of site.og_image in
 twitter:image and og:image meta tags (#466)

---
 _includes/seo.html | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/_includes/seo.html b/_includes/seo.html
index 5568807e..ccdd46bc 100644
--- a/_includes/seo.html
+++ b/_includes/seo.html
@@ -63,7 +63,9 @@
     <meta name="twitter:image" content="{% if page.header.image contains "://" %}{{ page.header.image }}{% else %}{{ page.header.image | prepend: "/images/" | prepend: base_path }}{% endif %}">
   {% else %}
     <meta name="twitter:card" content="summary">
-    {% if site.og_image %}
+    {% if page.header.teaser %}
+      <meta name="twitter:image" content="{% if page.header.teaser contains "://" %}{{ page.header.teaser }}{% else %}{{ page.header.teaser | prepend: "/images/" | prepend: base_path }}{% endif %}">
+    {% elsif site.og_image %}
       <meta name="twitter:image" content="{{ site.og_image | prepend: "/images/" | prepend: base_path }}">
     {% endif %}
   {% endif %}
@@ -87,6 +89,10 @@
   <meta property="og:image" content="{% if page.header.image contains "://" %}{{ page.header.image }}{% else %}{{ page.header.image | prepend: "/images/" | prepend: base_path }}{% endif %}">
 {% elsif page.header.overlay_image %}
   <meta property="og:image" content="{% if page.header.overlay_image contains "://" %}{{ page.header.overlay_image }}{% else %}{{ page.header.overlay_image | prepend: "/images/" | prepend: base_path }}{% endif %}">
+{% elsif page.header.teaser %}
+  <meta property="og:image" content="{% if page.header.teaser contains "://" %}{{ page.header.teaser }}{% else %}{{ page.header.teaser | prepend: "/images/" | prepend: base_path }}{% endif %}">
+{% elsif site.og_image %}
+  <meta property="og:image" content="{% if site.og_image contains "://" %}{{ site.og_image }}{% else %}{{ site.og_image | prepend: "/images/" | prepend: base_path }}{% endif %}">
 {% endif %}
 
 {% if page.date %}