import logging
import os
import re


def get_tags_from_git(remote):
    regex = re.compile("^refs/tags/v?(\d+\.\d+\.\d+)$")
    def extract_tag(tag):
        m = regex.search(tag)
        if m:
            return m.groups()[0]
        return ""

    raw_tags = os.popen(f"git ls-remote --tags {remote}").read().split()
    tags = sorted(
        list(
            filter(''.__ne__,
                map(extract_tag, raw_tags)
            ),
        )
    )
    logging.debug(f"{remote}: {', '.join(tags)}")

    return tags[-1]