hehe.org/bin/gpm

#!/usr/bin/env php
<?php

use Grav\Common\Composer;
use Symfony\Component\Console\Application;
use Grav\Common\Grav;

\define('GRAV_CLI', true);
\define('GRAV_REQUEST_TIME', microtime(true));

if (!file_exists(__DIR__ . '/../vendor/autoload.php')){
    // Before we can even start, we need to run composer first
    require_once __DIR__ . '/../system/src/Grav/Common/Composer.php';

    $composer = Composer::getComposerExecutor();
    echo "Preparing to install vendor dependencies...\n\n";
    echo system($composer.' --working-dir="'.__DIR__.'/../" --no-interaction --no-dev --prefer-dist -o install');
    echo "\n\n";
}

$autoload = require __DIR__ . '/../vendor/autoload.php';

if (version_compare($ver = PHP_VERSION, $req = GRAV_PHP_MIN, '<')) {
    exit(sprintf("You are running PHP %s, but Grav needs at least PHP %s to run.\n", $ver, $req));
}

if (!ini_get('date.timezone')) {
    date_default_timezone_set('UTC');
}

// Set internal encoding.
if (!\extension_loaded('mbstring')) {
    die("'mbstring' extension is not loaded.  This is required for Grav to run correctly");
}
@ini_set('default_charset', 'UTF-8');
mb_internal_encoding('UTF-8');

if (!file_exists(GRAV_ROOT . '/index.php')) {
    exit('FATAL: Must be run from ROOT directory of Grav!');
}

if (!function_exists('curl_version')) {
    exit('FATAL: GPM requires PHP Curl module to be installed');
}

$climate = new League\CLImate\CLImate;
$climate->arguments->add([
    'environment' => [
        'prefix'        => 'e',
        'longPrefix'    => 'env',
        'description'   => 'Configuration Environment',
        'defaultValue'  => 'localhost'
    ]
]);
$climate->arguments->parse();

// Set up environment based on params.
$environment = $climate->arguments->get('environment');

$grav = Grav::instance(array('loader' => $autoload));
$grav->setup($environment);

$grav['config']->init();
$grav['uri']->init();
$grav['accounts'];

$app = new Application('Grav Package Manager', GRAV_VERSION);
$app->addCommands(array(
    new \Grav\Console\Gpm\IndexCommand(),
    new \Grav\Console\Gpm\VersionCommand(),
    new \Grav\Console\Gpm\InfoCommand(),
    new \Grav\Console\Gpm\InstallCommand(),
    new \Grav\Console\Gpm\UninstallCommand(),
    new \Grav\Console\Gpm\UpdateCommand(),
    new \Grav\Console\Gpm\SelfupgradeCommand(),
    new \Grav\Console\Gpm\DirectInstallCommand(),
));

$app->run();