compare_rss.rb

require 'open-uri'
require 'uri'
require 'rss'

def rss_url(fqdn, job_name, kind)
  File.join(fqdn, 'job', job_name, kind)
end

def latest_title(rss_url)
  rss = open(rss_url){ |file| RSS::Parser.parse(file.read) }
  rss.items[0].title.to_s
end

if ARGV.size < 2 then
  puts ARGV[0]
  puts 'Usage: ruby compate_rss.rb JENKINS_URL JOB_NAME'
  exit 1
end

JENKINS_URL = ARGV[0]
JOB_NAME = ARGV[1]
RSS_ALL_URL = rss_url(JENKINS_URL, JOB_NAME, 'rssAll')
RSS_FAILED_URL = rss_url(JENKINS_URL, JOB_NAME, 'rssFailed')

latest_all = latest_title(RSS_ALL_URL)
latest_failed = latest_title(RSS_FAILED_URL)

puts latest_all
puts latest_failed
exit 1 if latest_all == latest_failed