Merge branch 'backup_restore_hooks_bug' into 'master'

Fix backup/restore git hooks bug

lib/backup/repository.rb

@@ -72,8 +72,7 @@ module Backup
       end
       print 'Put GitLab hooks in repositories dirs'.yellow
-      gitlab_shell_user_home = File.expand_path("~#{Gitlab.config.gitlab_shell.ssh_user}")
-      if system("#{gitlab_shell_user_home}/gitlab-shell/support/rewrite-hooks.sh", Gitlab.config.gitlab_shell.repos_path)
+      if system("#{Gitlab.config.gitlab_shell.path}/support/rewrite-hooks.sh", Gitlab.config.gitlab_shell.repos_path)
         puts " [DONE]".green
       else
         puts " [FAILED]".red