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_plugins/liquid-die.rb

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+# This file is licensed under the MIT License (MIT) available on
+# http://opensource.org/licenses/MIT.
+
+## liquid-die.rb terminates site compilation in failure. This can allow
+## us to avoid updating the site HTML with a broken layout
+
+## Example:
+## {% if some_variable_is_set %}
+##     ...content...
+## {% else %}
+##     {% die %}
+## {% endif %}
+
+module Jekyll
+
+  class LiquidDie < Liquid::Tag
+
+    def initialize(tag_name, text, tokens)
+      super
+    end
+
+    def render(context)
+        abort("Liquid die tag called.  Dying...")
+    end
+  end
+end
+
+
+Liquid::Template.register_tag('die', Jekyll::LiquidDie)