Check RUBY_VERSION file for ruby changes, restart unicorn when bundled ruby is updated.

files/gitlab-cookbooks/gitlab/libraries/helper.rb

@@ -361,11 +361,11 @@ class RedhatHelper
   end
 end
 
-class GGHSHelper
+class VersionHelper
   extend ShellOutHelper
 
-  def self.version
-    result = do_shell_out("/opt/gitlab/embedded/bin/gitlab-workhorse --version")
+  def self.version(cmd)
+    result = do_shell_out(cmd)
     if result.exitstatus == 0
       result.stdout
     else

files/gitlab-cookbooks/gitlab/recipes/gitlab-rails.rb

@@ -296,6 +296,13 @@ remote_file File.join(gitlab_rails_dir, 'VERSION') do
   end
 end
 
+# If a version of ruby changes restart unicorn. If not, unicorn will fail to
+# reload until restarted
+file File.join(gitlab_rails_dir, "RUBY_VERSION") do
+  content VersionHelper.version("/opt/gitlab/embedded/bin/ruby --version")
+  notifies :restart, "service[unicorn]"
+end
+
 # We shipped packages with 'chown -R git' below for quite some time. That chown
 # was an unnecessary leftover from the manual installation guide; it is better
 # to just leave these files owned by root. If we just remove the 'chown git',

files/gitlab-cookbooks/gitlab/recipes/gitlab-workhorse.rb

@@ -53,6 +53,6 @@ runit_service 'gitlab-workhorse' do
 end
 
 file File.join(working_dir, "VERSION") do
-  content GGHSHelper.version
+  content VersionHelper.version("/opt/gitlab/embedded/bin/gitlab-workhorse --version")
   notifies :restart, "service[gitlab-workhorse]"
 end