[Why] It's more friendly to user that command-line tool have a help option.

Signed-off-by: Lu Weitao luweitaobe@163.com --- sbin/mail-job | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/sbin/mail-job b/sbin/mail-job index 954c149..5dc68c8 100755 --- a/sbin/mail-job +++ b/sbin/mail-job @@ -3,11 +3,28 @@ # Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. # frozen_string_literal: true

-# Usage: -# mail-job job_id - +require 'optparse' require_relative '../lib/mail_job_result.rb'

-job_id = ARGV[0] +# mail job results to job submitter +# require the job had submitted job.yaml include email + +opt_parser = OptionParser.new do |opts| + opts.banner = 'Usage: mail-job job_id' + opts.separator 'eg: mail-job crystal.123012' + opts.separator '' + opts.separator 'options:' + + opts.on_tail('-h', '--help', 'show this message') do + puts opts + exit + end +end + +argv = ARGV.empty? ? ['-h'] : ARGV + +opt_parser.parse!(argv) + +job_id = argv[0] mail = MailJobResult.new(job_id) mail.send_mail