lib/brief/document.rb in brief-1.7.2 vs lib/brief/document.rb in brief-1.7.3

@@ -104,9 +104,14 @@
       frontmatter
     end
 
     def in_briefcase(briefcase)
       @briefcase_root = briefcase.root
+
+      unless Brief::Util.ensure_child_path(briefcase.docs_path, path)
+        raise 'Invalid document path'
+      end
+
       self
     end
 
     def briefcase
       (@briefcase_root && Brief.cases[@briefcase_root]) || Brief.case