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/controllers/merge_requests_controller.rb

 class MergeRequestsController < ProjectResourceController
   before_filter :module_enabled
-  before_filter :merge_request, only: [:edit, :update, :destroy, :show, :commits, :diffs, :automerge, :automerge_check, :raw]
-  before_filter :validates_merge_request, only: [:show, :diffs, :raw]
+  before_filter :merge_request, only: [:edit, :update, :destroy, :show, :commits, :diffs, :automerge, :automerge_check]
+  before_filter :validates_merge_request, only: [:show, :diffs]
   before_filter :define_show_vars, only: [:show, :diffs]
 
   # Allow read any merge_request
@@ -16,7 +16,6 @@ class MergeRequestsController < ProjectResourceController
   # Allow destroy merge_request
   before_filter :authorize_admin_merge_request!, only: [:destroy]
 
-
   def index
     @merge_requests = MergeRequestsLoadContext.new(project, current_user, params).execute
   end
@@ -25,11 +24,10 @@ class MergeRequestsController < ProjectResourceController
     respond_to do |format|
       format.html
       format.js
-    end
-  end
 
-  def raw
-    send_file @merge_request.to_raw
+      format.diff  { render text: @merge_request.to_diff }
+      format.patch { render text: @merge_request.to_patch }
+    end
   end
 
   def diffs

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

 - 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"
 

config/routes.rb

@@ -159,12 +159,11 @@ Gitlab::Application.routes.draw do
       end
     end
 
-    resources :merge_requests do
+    resources :merge_requests, constraints: {id: /\d+/} do
       member do
         get :diffs
         get :automerge
         get :automerge_check
-        get :raw
       end
 
       collection do

spec/routing/project_routing_spec.rb

@@ -208,7 +208,6 @@ end
 #           diffs_project_merge_request GET    /:project_id/merge_requests/:id/diffs(.:format)           merge_requests#diffs
 #       automerge_project_merge_request GET    /:project_id/merge_requests/:id/automerge(.:format)       merge_requests#automerge
 # automerge_check_project_merge_request GET    /:project_id/merge_requests/:id/automerge_check(.:format) merge_requests#automerge_check
-#             raw_project_merge_request GET    /:project_id/merge_requests/:id/raw(.:format)             merge_requests#raw
 #    branch_from_project_merge_requests GET    /:project_id/merge_requests/branch_from(.:format)         merge_requests#branch_from
 #      branch_to_project_merge_requests GET    /:project_id/merge_requests/branch_to(.:format)           merge_requests#branch_to
 #                project_merge_requests GET    /:project_id/merge_requests(.:format)                     merge_requests#index
@@ -231,10 +230,6 @@ describe MergeRequestsController, "routing" do
     get("/gitlabhq/merge_requests/1/automerge_check").should route_to('merge_requests#automerge_check', project_id: 'gitlabhq', id: '1')
   end
 
-  it "to #raw" do
-    get("/gitlabhq/merge_requests/1/raw").should route_to('merge_requests#raw', project_id: 'gitlabhq', id: '1')
-  end
-
   it "to #branch_from" do
     get("/gitlabhq/merge_requests/branch_from").should route_to('merge_requests#branch_from', project_id: 'gitlabhq')
   end
@@ -243,6 +238,11 @@ describe MergeRequestsController, "routing" do
     get("/gitlabhq/merge_requests/branch_to").should route_to('merge_requests#branch_to', project_id: 'gitlabhq')
   end
 
+  it "to #show" do
+    get("/gitlabhq/merge_requests/1.diff").should route_to('merge_requests#show', project_id: 'gitlabhq', id: '1', format: 'diff')
+    get("/gitlabhq/merge_requests/1.patch").should route_to('merge_requests#show', project_id: 'gitlabhq', id: '1', format: 'patch')
+  end
+
   it_behaves_like "RESTful project resources" do
     let(:controller) { 'merge_requests' }
   end