def get_channel_versions()

in versions_util.py [0:0]


def get_channel_versions(channel, product="Firefox"):
    channel = channel.lower()
    version = str(get(base=True)[channel])

    if channel == "nightly":
        return ["{}.0a1".format(version)]
    elif channel == "release":
        return ["{}.0".format(version)] + getStabilityReleases(version)
    elif channel == "beta":
        return getDevelopmentReleases(version)
    else:
        assert False, "Unknown channel {}".format(channel)