#!/usr/bin/env python3

import re
import unittest
from collections import defaultdict

def parse_path(path):
    # Example:
    # ./eventlogging.git/refs/changes/44/544144/meta:b6950bfe08fd59a63dfbcc4ff3b5ecfa5da43dcd
    m = re.match('^./(.*)\.git/(.+/meta)$', path)
    # (repo, ref)
    return (m[1], m[2])

def parse_file(fname):
    stuff = defaultdict(dict)
    with open(fname) as f:
        print("Reading %s" % fname)
        for line in f.readlines():
            (path, sha1) = line.rstrip().split(':')
            (repo, ref) = parse_path(path)
            stuff[repo][ref] = sha1
    return stuff

refs = {}
repos = set()
for host in ('cobalt', 'gerrit1001'):
    refs[host] = parse_file('%s-meta-files.txt' % host)
    repos = repos.union(set(refs[host].keys()))

print('Found %s repositories.' % len(repos))
for repo in sorted(repos):
    testcase = unittest.TestCase()
    testcase.maxDiff = None
    try:
        testcase.assertDictEqual(refs['cobalt'][repo], refs['gerrit1001'][repo])
    except AssertionError as e:
        print("FAIL %s: %s" % (repo, e))
        pass
    else:
        print("OK %s" % repo)