#!/usr/bin/python
import sys
import json
import time


def set_build_status(filename, branch, status, desc):
    f = open(filename, 'r')
    obj = json.loads(f.read())
    f.close()
    branch_status = obj.get(branch)
    if not branch_status:
        branch_status = {}
        obj[branch] = branch_status
    branch_status['status'] = status
    branch_status['desc'] = desc
    branch_status['last_update'] = time.strftime('%Y/%m/%d-%H:%M:%S')
    f = open(filename, 'w')
    f.write(json.dumps(obj))
    f.flush()
    f.close()


if __name__ == '__main__':
    set_build_status(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])