<?php

class Updates extends Plugin
{


    public function check(): ?bool
    {
        $data = str_replace("=", "", @shell_exec("git --no-pager fetch --dry-run --porcelain --verbose 2>&1 | grep refs"));
        $parts = explode(" ", trim($data));
        if (count($parts) < 3) {
            return null;
        }

        return $parts[0] != $parts[1];
    }

    public function install(): string|bool|null
    {
        return @shell_exec("git --no-pager pull --verbose 2>&1");
    }


}