my %config_variables = (
    "defaultarch" => 'amd64',
    "nthreads"    => 20,
    "base_path"   => '/mnt/repo',
    "mirror_path" => '$base_path/mirror',
    "skel_path"   => '$base_path/skel',
    "var_path"    => '$base_path/var',
    "cleanscript" => '$var_path/clean.sh',
    "_contents"   => 1,
    "_autoclean"  => 0,
    "_tilde"      => 0,
    "_plus"       => 0,
    "limit_rate"  => '100m',
    "run_postmirror"       => 1,
    "auth_no_challenge"    => 0,
    "no_check_certificate" => 0,
    "unlink"               => 0,
    "paranoid"             => 0,
    "postmirror_script"    => '$var_path/postmirror.sh',
    "use_proxy"            => 'off',
    "http_proxy"           => '',
    "https_proxy"          => '',
    "proxy_user"           => '',
    "proxy_password"       => ''
);