def stat_range(repo, base, new):
    return repo(
        "diff",
        "--stat=80",
        base + "..." + new,
        "-M")  # automatically detect moves/renames
Return a diff stat from the history on 'new' that is not on 'base'.
dataset/ETHPy150Open bloomberg/phabricator-tools/py/phl/phlgit_diff.py/stat_range