Search if package exists in PACKAGES.TXT file
    and return the name.

def search_pkg(name, repo):
    """Search if package exists in PACKAGES.TXT file
    and return the name.
    """
    PACKAGES_TXT = Utils().read_file(_meta_.lib_path + "{0}_repo/"
                                     "PACKAGES.TXT".format(repo))
    names = Utils().package_name(PACKAGES_TXT)
    blacklist = BlackList().packages(pkgs=names, repo=repo)
    for line in PACKAGES_TXT.splitlines():
        status(0)
        if line.startswith("PACKAGE NAME:  ") and len(line) > 16:
            pkg_name = split_package(line[15:])[0].strip()
            if name == pkg_name and name not in blacklist:
                return pkg_name