Merge branch 'tc-link-to-commit-on-help-page-ee' into 'master'

Make the revision on the `/help` page clickable

See merge request !2089

app/views/help/index.html.haml

@@ -4,7 +4,7 @@
     Enterprise Edition
     - if user_signed_in?
       %span= Gitlab::VERSION
-      %small= Gitlab::REVISION
+      %small= link_to Gitlab::REVISION, Gitlab::COM_URL + namespace_project_commits_path('gitlab-org', 'gitlab-ee', Gitlab::REVISION)
       - if current_application_settings.version_check_enabled
         = version_status_badge
   %br

changelogs/unreleased/tc-link-to-commit-on-help-page.yml

+---
+title: Make the revision on the `/help` page clickable
+merge_request: 12016
+author:

lib/gitlab.rb

@@ -2,10 +2,11 @@ require_dependency 'gitlab/git'
 
 module Gitlab
   SUBDOMAIN_REGEX = %r{\Ahttps://[a-z0-9]+\.gitlab\.com\z}
+  COM_URL = 'https://gitlab.com'.freeze
 
   def self.com?
     # Check `gl_subdomain?` as well to keep parity with gitlab.com
-    Gitlab.config.gitlab.url == 'https://gitlab.com' || gl_subdomain?
+    Gitlab.config.gitlab.url == COM_URL || gl_subdomain?
   end
 
   def self.gl_subdomain?

spec/views/help/index.html.haml_spec.rb

@@ -21,7 +21,7 @@ describe 'help/index' do
       render
 
       expect(rendered).to match '8.0.2'
-      expect(rendered).to match 'abcdefg'
+      expect(rendered).to have_link('abcdefg', 'https://gitlab.com/gitlab-org/gitlab-ee/commits/abcdefg')
     end
   end