shimmie2/ext/update/theme.php

<?php

declare(strict_types=1);
class UpdateTheme extends Themelet
{
    public function display_admin_block()
    {
        global $page, $config;

        $html = "".
            "<b>Current Commit</b>: ".$config->get_string('commit_hash')." | (".$config->get_string('update_time').")".
            "<br><b>Latest Commit</b>: <span id='updatecheck'>Loading...</span>".
            "<br><a href='" . make_link('update/download') . "' id='updatelink'></a>";
        //TODO: Show warning before use.
        $page->add_block(new Block("Software Update", $html, "main", 75));
    }
}