diff --git a/config/routes.rb b/config/routes.rb
index 6de9f47b5..c3926de61 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -252,7 +252,7 @@ Rails.application.routes.draw do
     get "projects/:id/repository/:repository_id/revisions/:rev/#{action}(/*path)",
         :controller => 'repositories',
         :action => action,
-        :format => 'html',
+        :format => false,
         :constraints => {:rev => /[a-z0-9\.\-_]+/, :path => /.*/}
   end
 
@@ -260,7 +260,7 @@ Rails.application.routes.draw do
     get "projects/:id/repository/:repository_id/#{action}(/*path)",
         :controller => 'repositories',
         :action => action,
-        :format => 'html',
+        :format => false,
         :constraints => {:path => /.*/}
   end
 
diff --git a/test/integration/repositories_git_test.rb b/test/integration/repositories_git_test.rb
index 8aa23c786..c241798f7 100644
--- a/test/integration/repositories_git_test.rb
+++ b/test/integration/repositories_git_test.rb
@@ -26,6 +26,7 @@ class RepositoriesGitTest < Redmine::IntegrationTest
   REPOSITORY_PATH = Rails.root.join('tmp/test/git_repository').to_s
   REPOSITORY_PATH.gsub!(/\//, "\\") if Redmine::Platform.mswin?
   PRJ_ID     = 3
+  NUM_REV = 28
 
   def setup
     User.current = nil
@@ -48,5 +49,37 @@ class RepositoriesGitTest < Redmine::IntegrationTest
       get "/projects/subproject1/repository/#{@repository.id}/diff?rev=61b685fbe&rev_to=2f9c0091"
       assert_response :success
     end
+
+    def test_get_raw_diff_of_a_whole_revision
+      @repository.fetch_changesets
+      assert_equal NUM_REV, @repository.changesets.count
+
+      get "/projects/subproject1/repository/#{@repository.id}/revisions/deff712f05a90d96edbd70facc47d944be5897e3/diff"
+      assert_response :success
+
+      assert a = css_select("a.diff").first
+      assert_equal 'Unified diff', a.text
+      get a['href']
+      assert_response :success
+      assert_match /\Acommit deff712f05a90d96edbd70facc47d944be5897e3/, response.body
+    end
+
+    def test_get_raw_diff_of_a_single_file_change
+      @repository.fetch_changesets
+      assert_equal NUM_REV, @repository.changesets.count
+
+      get "/projects/subproject1/repository/#{@repository.id}/revisions/deff712f05a90d96edbd70facc47d944be5897e3/diff/sources/watchers_controller.rb"
+      assert_response :success
+
+      assert a = css_select("a.diff").first
+      assert_equal 'Unified diff', a.text
+      get a['href']
+      assert_response :success
+      assert_match /\Acommit deff712f05a90d96edbd70facc47d944be5897e3/, response.body
+    end
+
+  else
+    puts "Git test repository NOT FOUND. Skipping integration tests !!!"
+    def test_fake; assert true end
   end
 end
diff --git a/test/integration/routing/repositories_test.rb b/test/integration/routing/repositories_test.rb
index 4b82e2d81..6e461a91c 100644
--- a/test/integration/routing/repositories_test.rb
+++ b/test/integration/routing/repositories_test.rb
@@ -53,24 +53,24 @@ class RoutingRepositoriesTest < Redmine::RoutingTest
     should_route 'GET /projects/foo/repository/foo/revisions.atom' => 'repositories#revisions', :id => 'foo', :repository_id => 'foo', :format => 'atom'
 
     should_route 'GET /projects/foo/repository/foo/revisions/2457' => 'repositories#revision', :id => 'foo', :repository_id => 'foo', :rev => '2457'
-    should_route 'GET /projects/foo/repository/foo/revisions/2457/show' => 'repositories#show', :id => 'foo', :repository_id => 'foo', :rev => '2457', :format => 'html'
-    should_route 'GET /projects/foo/repository/foo/revisions/2457/diff' => 'repositories#diff', :id => 'foo', :repository_id => 'foo', :rev => '2457', :format => 'html'
+    should_route 'GET /projects/foo/repository/foo/revisions/2457/show' => 'repositories#show', :id => 'foo', :repository_id => 'foo', :rev => '2457'
+    should_route 'GET /projects/foo/repository/foo/revisions/2457/diff' => 'repositories#diff', :id => 'foo', :repository_id => 'foo', :rev => '2457'
 
     %w(show diff entry raw annotate).each do |action|
       @paths.each do |path|
         should_route "GET /projects/foo/repository/foo/revisions/2457/#{action}/#{path}" => "repositories##{action}",
-          :id => 'foo', :repository_id => 'foo', :rev => '2457', :path => path, :format => 'html'
+          :id => 'foo', :repository_id => 'foo', :rev => '2457', :path => path
       end
     end
   end
 
   def test_repositories_non_revisions_path_with_repository_id
-    should_route 'GET /projects/foo/repository/svn/changes' => 'repositories#changes', :id => 'foo', :repository_id => 'svn', :format => 'html'
+    should_route 'GET /projects/foo/repository/svn/changes' => 'repositories#changes', :id => 'foo', :repository_id => 'svn'
 
     %w(changes diff browse entry raw annotate).each do |action|
       @paths.each do |path|
         should_route "GET /projects/foo/repository/svn/#{action}/#{path}" => "repositories##{action}",
-          :id => 'foo', :repository_id => 'svn', :path => path, :format => 'html'
+          :id => 'foo', :repository_id => 'svn', :path => path
       end
     end
   end