config-dist.php://     $CFG->themedir = '/location/of/extra/themes';
lib/classes/component.php:        if (!empty($CFG->themedir) and is_dir($CFG->themedir) ) {
lib/classes/component.php:            $types['theme'] = $CFG->themedir;
lib/moodlelib.php:            } else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$param/config.php")) {
lib/outputlib.php:        } else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
lib/outputlib.php:            $dir = "$CFG->themedir/$themename";
lib/tests/component_test.php:        $this->assertTrue(empty($CFG->themedir), 'Non-empty $CFG->themedir is not covered by any tests yet, you need to disable it.');
theme/font.php:} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
theme/image.php:} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
theme/javascript.php:} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
theme/jquery.php:    if (!empty($CFG->themedir)) {
theme/jquery.php:        $componentdir = "$CFG->themedir/$component";
theme/styles.php:} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {
theme/styles_debug.php:} else if (!empty($CFG->themedir) and file_exists("$CFG->themedir/$themename/config.php")) {