Update Hamlit to 2.6.1

Fixes gitlab-org/gitlab-ce#21025 and gitlab-org/gitlab-ce#21017

Gemfile

@@ -77,7 +77,7 @@ gem 'rack-cors',    '~> 0.4.0', require: 'rack/cors'
 gem 'kaminari', '~> 0.17.0'
 
 # HAML
-gem 'hamlit', '~> 2.5'
+gem 'hamlit', '~> 2.6.1'
 
 # Files attachments
 gem 'carrierwave', '~> 0.10.0'

Gemfile.lock

@@ -321,7 +321,7 @@ GEM
     grape-entity (0.4.8)
       activesupport
       multi_json (>= 1.3.2)
-    hamlit (2.5.0)
+    hamlit (2.6.1)
       temple (~> 0.7.6)
       thor
       tilt
@@ -863,7 +863,7 @@ DEPENDENCIES
   gon (~> 6.1.0)
   grape (~> 0.15.0)
   grape-entity (~> 0.4.2)
-  hamlit (~> 2.5)
+  hamlit (~> 2.6.1)
   health_check (~> 2.1.0)
   hipchat (~> 1.5.0)
   html-pipeline (~> 1.11.0)

spec/helpers/page_layout_helper_spec.rb

@@ -97,5 +97,14 @@ describe PageLayoutHelper do
         expect(tags).to include %q(<meta property="twitter:data1" content="bar" />)
       end
     end
+
+    it 'escapes content' do
+      allow(helper).to receive(:page_card_attributes)
+        .and_return(foo: %q{foo" http-equiv="refresh}.html_safe)
+
+      tags = helper.page_card_meta_tags
+
+      expect(tags).to include(%q{content="foo&quot; http-equiv=&quot;refresh"})
+    end
   end
 end

spec/views/layouts/_head.html.haml_spec.rb

+require 'spec_helper'
+
+describe 'layouts/_head' do
+  before do
+    stub_template 'layouts/_user_styles.html.haml' => ''
+  end
+
+  it 'escapes HTML-safe strings in page_title' do
+    stub_helper_with_safe_string(:page_title)
+
+    render
+
+    expect(rendered).to match(%{content="foo" http-equiv="refresh"})
+  end
+
+  it 'escapes HTML-safe strings in page_description' do
+    stub_helper_with_safe_string(:page_description)
+
+    render
+
+    expect(rendered).to match(%{content="foo" http-equiv="refresh"})
+  end
+
+  it 'escapes HTML-safe strings in page_image' do
+    stub_helper_with_safe_string(:page_image)
+
+    render
+
+    expect(rendered).to match(%{content="foo" http-equiv="refresh"})
+  end
+
+  def stub_helper_with_safe_string(method)
+    allow_any_instance_of(PageLayoutHelper).to receive(method)
+      .and_return(%q{foo" http-equiv="refresh}.html_safe)
+  end
+end