Clean yum.repos.d directory with Puppet conditionally

class repos($keep = 0)
{

    $base_repo = "http://yum.XXXXXX.local/repo"

    # Asegurarse de que el repositorio existe, y de que está vacío si no queremos conservar los posibles repositorios existentes.
    file
    {
        "/etc/yum.repos.d":
            ensure => directory,
            owner => root,
            group => root,
            mode => 755,
            if ($keep == 0)
            {
                recurse => true,
                purge => true,
                force => true,
            }
    }



Sep  5 09:47:54 puppet-server puppet-master[13804]: Could not parse for environment production: Syntax error at 'if'; expected '}' at /etc/puppet/manifests/repos.pp:14 on node puppet-client02.XXXXXX.local
Sep  5 09:47:54 puppet-server puppet-master[13804]: Could not parse for environment production: Syntax error at 'if'; expected '}' at /etc/puppet/manifests/repos.pp:14 on node puppet-client02.XXXXXX.local