A script used tp switch between all aura packages to same branch.

checkout.php

<?php
/**
 *
 * A script used tp switch between all aura packages to same branch.
 *
 * This is still experimental one :)
 * 
 * Usage 
 *
 * php checkout.php <branch>
 * 
 * Currently branches are only master and develop.
 *
 */
$branch = isset( $argv[1] ) ? $argv[1] : 'develop';
switch ($branch) { 
    case 'develop':
    case 'master':
        break;
    default:
        echo "Expecting master or develop $branch given" . PHP_EOL;
        exit;
}
$path = __DIR__ . DIRECTORY_SEPARATOR;
$package_path = $path . 'package';
$dir = new DirectoryIterator( $package_path );
foreach ($dir as $fileinfo) {
    if (!$fileinfo->isDot()) {
	$dirname = $fileinfo->getFilename();
	if ( $dirname == '.placeholder' ) {
		continue;
	}
        $generate[] = $dirname;
    }
}
foreach ($generate as $package ) {
    $destination = $package_path . DIRECTORY_SEPARATOR . $package;
    echo "Switching to $branch of $package" . PHP_EOL;
    passthru("cd $destination; git checkout $branch");
}
echo 'Done!' . PHP_EOL;