implement warning about missing keys in url drops

2016-11-02 00:22:41 +01:00 · 2016-11-02 00:22:41 +01:00 · 2d35364c02
parent a2ffde8f14
commit 2d35364c02
1 changed files with 5 additions and 1 deletions
--- a/lib/jekyll/url.rb
+++ b/lib/jekyll/url.rb
@ -86,7 +86,11 @@ module Jekyll

    def generate_url_from_drop(template)
      template.gsub(%r!:([a-z_]+)!) do |match|
-        replacement = @placeholders.public_send(match.sub(":".freeze, "".freeze))
+        begin
+          replacement = @placeholders.public_send(match.sub(":".freeze, "".freeze))
+        rescue NoMethodError
+          Jekyll.logger.warn "", "#{match} is not defined!"
+        end
        if replacement.nil?
          "".freeze
        else