Remove merge_request#raw and replace it with formats to #show

Needed to add a constraint on the id. Otherwise the format was parsed as part of the id.

app/views/merge_requests/show/_diffs.html.haml

@@ -1,8 +1,10 @@
 - if @merge_request.valid_diffs?
   = render "commits/diffs", diffs: @diffs
 - elsif @merge_request.broken_diffs?
-  %h4.nothing_here_message 
+  %h4.nothing_here_message
     Can't load diff.
-    You can #{link_to "download MR patch", raw_project_merge_request_path(@project, @merge_request), class: "vlink"} instead.
+    You can
+    = link_to "download it", project_merge_request_path(@project, @merge_request), format: :diff, class: "vlink"
+    instead.
 - else
   %h4.nothing_here_message Nothing to merge

app/views/merge_requests/show/_mr_title.html.haml

@@ -13,9 +13,9 @@
           = "MERGED"
     - if can?(current_user, :modify_merge_request, @merge_request)
       - if @merge_request.open?
-        = link_to raw_project_merge_request_path(@project, @merge_request), class: "btn grouped" do 
+        = link_to project_merge_request_path(@project, @merge_request, format: :patch), class: "btn grouped" do
           %i.icon-download-alt
-          Get Patch  
+          Get Patch
 
         = link_to 'Close', project_merge_request_path(@project, @merge_request, merge_request: {closed: true }, status_only: true), method: :put, class: "btn grouped danger", title: "Close merge request"