Add feature spec.

features/project/issues/issues.feature

@@ -68,6 +68,12 @@ Feature: Project Issues
     And I leave a comment with a header containing "Comment with a header"
     Then The comment with the header should not have an ID
 
+  @javascript
+  Scenario: Blocks inside comments should not build relative links
+    Given I visit issue page "Release 0.4"
+    And I leave a comment with code block
+    Then The code block should be unchanged
+
   Scenario: Issues on empty project
     Given empty project "Empty Project"
     When I visit empty project page

features/steps/project/issues.rb

@@ -163,4 +163,16 @@ class ProjectIssues < Spinach::FeatureSteps
     project = Project.find_by(name: 'Empty Project')
     visit project_issues_path(project)
   end
+
+  step 'I leave a comment with code block' do
+    within(".js-main-target-form") do
+      fill_in "note[note]", with: "```\nCommand [1]: /usr/local/bin/git , see [text](doc/text)\n```"
+      click_button "Add Comment"
+      sleep 0.05
+    end
+  end
+
+  step 'The code block should be unchanged' do
+    page.should have_content("```\nCommand [1]: /usr/local/bin/git , see [text](doc/text)\n```")
+  end
 end

lib/redcarpet/render/gitlab_html.rb

@@ -6,8 +6,6 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
   def initialize(template, options = {})
     @template = template
     @project = @template.instance_variable_get("@project")
-    @ref = @template.instance_variable_get("@ref")
-    @request_path = @template.instance_variable_get("@path")
     @options = options.dup
     super options
   end
@@ -46,7 +44,9 @@ class Redcarpet::Render::GitlabHTML < Redcarpet::Render::HTML
   end
 
   def postprocess(full_document)
-    full_document = h.create_relative_links(full_document)
+    unless @template.instance_variable_get("@project_wiki") || @project.nil?
+      full_document = h.create_relative_links(full_document)
+    end
     h.gfm(full_document)
   end
 end