def prepend(repo, review_sha1, name, landed_sha1):
    log = get_log(repo)
    log.insert(0, LogItem(review_sha1, name, landed_sha1))
    write_log(repo, log)
Dispatches according to command-line options.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/abd/abdt_landinglog.py/prepend--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/db/tools/dbchk.py/Dispatch