jjb-diff.py

#!/usr/bin/env python3

import os
import subprocess


def shell_exec(args):
    print(' '.join(args))
    return subprocess.check_output(args).decode()

jj = '/home/km/python/bin/jenkins-jobs'
jjb = '/home/km/projects/jenkins-job-builder'
conf = '/home/km/projects/integration-config'

os.chdir(conf)
out = shell_exec(['git', 'log', '--oneline', '-n', '1'])
testing_sha1 = out.split(' ', 1)[0]
os.chdir(jjb)
shell_exec([jj, 'test', 'config', '-o', 'output-proposed'])
os.chdir(conf)
shell_exec(['git', 'checkout', 'HEAD~1'])
os.chdir(jjb)
shell_exec([jj, 'test', 'config', '-o', 'output-parent'])
subprocess.call(['colordiff', '--new-file', '-u', 'output-parent',
                 'output-proposed'])
os.chdir(conf)
shell_exec(['git', 'checkout', testing_sha1])