Download Crowdin translations + create PR

gistfile1.php

<?php

$app
    ->get('/crowdin/pull', function (Request $request) use ($app) {
        $responses = array();
        $config = $app['config']['crowdin']['download'];

        $app['crowdin']->api('export')->execute();

        if (!is_dir($config['base_dir'])) {
            mkdir($config['base_dir']);
        }

        $download = $app['crowdin']->api('download')->setCopyDestination($config['base_dir']);

        foreach ($config['packages'] as $package) {
            $download->setPackage(sprintf('%s.zip', $package))->execute();
        }

        if (is_dir($config['base_dir'] . '/update/.git')) {
            logged_system(sprintf(
                'cd %s/update/ && git checkout master && git pull origin master',
                $config['base_dir']
            ), $app['monolog']);
        } else {
            logged_system(sprintf(
                'git clone git@github.com:akeneo/pim-community-dev.git %s/update && ' .
                'cd %s/update && ' .
                'git remote add nono git@github.com:nono-akeneo/pim-community-dev.git',
                $config['base_dir'],
                $config['base_dir']
            ), $app['monolog']);
        }

        $zip = new \ZipArchive();
        foreach ($config['packages'] as $package) {
            $res = $zip->open(sprintf('%s/%s.zip', $config['base_dir'], $package));
            $zip->extractTo($config['base_dir']);
        }
        $zip->close();

        logged_system(sprintf(
            'cp -rf %s/1.0.x/* %s/update/app/Resources/',
            $config['base_dir'],
            $config['base_dir']
        ), $app['monolog']);

        $branch = (new DateTime())->format('Y-m-d-H-i');
        logged_system(
            sprintf(
                'cd %s/update/ && ' .
                'git checkout -b crowdin/%s && ' .
                'git add .',
                $config['base_dir'],
                $branch
            ),
            $app['monolog']
        );
        logged_system(
            sprintf(
                'export HOME=/home/githook && ' .
                'cd %s/update git && git commit -m "[CrowdIn] Updated translations" && git push nono crowdin/%s',
                $config['base_dir'],
                $branch
            ),
            $app['monolog']
        );

        $app['github']->api('pr')->create('akeneo', 'pim-community-dev', array(
            'head' => sprintf('nono-akeneo:crowdin/%s', $branch),
            'base' => 'master',
            'title' => 'Update translations from CrowdIn',
            'body' => 'Updated on ' . $branch,
        ));

        return $app->json(array(
            'message' => 'Files have been updated.',
        ));
    });
?>