gistfile1.txt

    def get_latest_build_info(self, product_version, latest_builds, brew_session):
        """
        Queries brew to determine the most recently built release of the component
        associated with this image. This method does not rely on the "release"
        label needing to be present in the Dockerfile.

        :return: A tuple: (component name, version, release); e.g. ("registry-console-docker", "v3.6.173.0.75", "1")
        """
        component_name = self.get_component_name()
        tag = "{}-candidate".format(self.branch())
        if not latest_builds:
            latest_builds = brew_session.getLatestBuilds(tag)


        # print()

        # rc, stdout, stderr = exectools.cmd_gather(["brew", "latest-build", tag, component_name])

        # assertion.success(rc, "Unable to search brew builds: %s" % stderr)

        # latest = stdout.strip().splitlines()[-1].split(' ')[0]

        # if not latest.startswith(component_name):
        #     # If no builds found, `brew latest-build` output will appear as:
        #     # Build                                     Tag                   Built by
        #     # ----------------------------------------  --------------------  ----------------
        #     raise IOError("No builds detected for %s using tag: %s" % (self.qualified_name, tag))
        
        # "golang-github-prometheus-prometheus-container-v4.1.27-201911290309"
        # latest example: "registry-console-docker-v3.6.173.0.75-1""
        nvr = brew_builds[0].get("nvr", "")
        if nvr == "":
            print(brew_builds[0])
            raise IOError("Error...........")

        name, version, release = nvr.rsplit("-", 2)  # [ "registry-console-docker", "v3.6.173.0.75", "1"]

        return name, version, release, product_version[self.name]