Add devious hack to work around hanami-view

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/hanami/view
-  revision: 1b18bfe2fb59879d9117720892d2f55db9f1c584
+  revision: c4fb06a6b419cc83f2bb7f8b3027b07f03d3f199
   branch: master
   specs:
     hanami-view (2.0.0.alpha1)

lib/site/view/context.rb

@@ -15,21 +15,26 @@ class Context < Hanami::View::Context
 
       def_delegators :settings, :site_title, :site_author, :site_url
 
-      attr_reader :current_path
-
-      def initialize(current_path: nil, **deps)
-        super(**deps)
+      def initialize(page_title: "", **deps)
+        super
+      end
 
-        @deps = deps
-        @current_path = current_path
-        @page_title = nil
+      def current_path
+        _options[:current_path]
       end
 
       def page_title(new_title = Undefined)
         if new_title == Undefined
-          [@page_title, settings.site_title].compact.join(" | ")
+          [_options[:page_title], site_title]
+            .reject { |str| str.to_s.empty? }
+            .join(" | ")
         else
-          @page_title = new_title
+          # This is a hack to work around the way context objects are created for each
+          # render environment. To make sure that a page_title set from inside a template
+          # is still available in the layout, we default the page_title to an empty string
+          # (see #initialize) and then _mutate it_ when a new title is set. Soooo bad but
+          # it'll do for now, until we come up with a better approach inside hanami-view.
+          _options[:page_title].replace new_title
         end
       end