module Gitlab::Help

def get_help(cmd)
  cmd_namespace = namespace cmd
  if cmd_namespace
    ri_output = `#{ri_cmd} -T #{cmd_namespace} 2>&1`.chomp
    if $CHILD_STATUS == 0
      change_help_output! cmd, ri_output
      yield ri_output if block_given?
      ri_output
    else
      "Ri docs not found for #{cmd}, please install the docs to use 'help'."
    end
  else
    "Unknown command: #{cmd}."
  end
end