build-theme-cache.php

<?php

# For Moodle 3.3
# This script belongs in ./admin/cli/
# Copyright 2017 Paul Verrall

define('CLI_SCRIPT', true);
require(__DIR__.'/../../config.php');
require_once($CFG->dirroot.'/lib/csslib.php');

$themename = $CFG->theme;
$theme= theme_config::load($themename);
$rev = theme_get_revision();

$candidatedir = "$CFG->localcachedir/theme/$rev/$themename/css";
$candidatesheet = "$candidatedir/all.css";

if (file_exists($candidatesheet)) {
        exit;
} else {
        $csscontent = $theme->get_css_content();
        make_localcache_directory('theme', false);
        css_store_css($theme, "$candidatedir/all.css", $csscontent);
}