adding key-photos in support of a prettier gallery list

_bin/make_gallery.rb

@@ -16,17 +16,24 @@ Dir.mkdir File.join(gallery_slug, "assets")
 out = "---\ngallery-title: #{gallery_title}\n"
 out += "gallery-slug: #{gallery_slug}\n"
 out += "gallery-date: #{Time.now.to_s}\n"
-out += "images:\n"
 
-@images.each do |image|
+@images.each_with_index do |image, i|
     basename = File.basename(image, '.jpg')
     filename = year.to_s+"-"+month.to_s+"-"+basename
-    out += "  - basename: #{basename}\n"
-    out += "    thumb-src: /assets/#{filename}_t.jpg\n"
-    out += "    mid-src: /assets/#{filename}_m.jpg\n"
-    out += "    image-src: /assets/#{filename}.jpg\n"
-    out += "    mid-page: /photos/#{gallery_slug}/#{basename}/\n"
-    
+    t =  "  - basename: #{basename}\n"
+    t += "    thumb-src: /assets/#{filename}_t.jpg\n"
+    t += "    mid-src: /assets/#{filename}_m.jpg\n"
+    t += "    image-src: /assets/#{filename}.jpg\n"
+    t += "    mid-page: /photos/#{gallery_slug}/#{basename}/\n"
+    if i == 0 then
+        out += "gallery-key:\n"
+        out += t
+        out += "images:\n"
+        out += t
+    else
+        out += t
+    end
+
     puts "Resizing #{basename}."
     thumb = "convert #{image} -quality 80 -resize 300x300 './#{gallery_slug}/assets/#{filename}_t.jpg'"
     `#{thumb}`