From 4549fdb9c5eaabf07024b7a7b5b6780b26e543f6 Mon Sep 17 00:00:00 2001
From: Bart Kamphorst <bart@kamphorst.com>
Date: Sat, 22 Sep 2018 21:16:01 +0200
Subject: [PATCH] Redirect broken links to 404 when --no-edit mode is enabled.
 Resolves #1197.

---
 lib/gollum/app.rb | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lib/gollum/app.rb b/lib/gollum/app.rb
index 30366fe8..8d0269c9 100644
--- a/lib/gollum/app.rb
+++ b/lib/gollum/app.rb
@@ -524,12 +524,17 @@ module Precious
       elsif file = wiki.file(fullpath, wiki.ref, true)
         show_file(file)
       else
-        not_found unless @allow_editing
-        page_path = [path, join_page_name(name, ext)].compact.join('/')
-        redirect to("/create/#{clean_url(encodeURIComponent(page_path))}")
+        if @allow_editing
+          page_path = [path, join_page_name(name, ext)].compact.join('/')
+          redirect to("/create/#{clean_url(encodeURIComponent(page_path))}")
+        else
+          @message = "The requested page does not exist."
+          status 404
+          return mustache :error
+        end
       end
     end
-
+    
     def show_file(file)
       return unless file
       if file.on_disk?