remove-composer-mirrors.php

<?php
/**
 * remove mirros of composer.lock
 */
$data = json_decode(file_get_contents(__DIR__ . '/composer.lock'), true);

$new_data = $data;
foreach (['packages', 'packages-dev'] as $key) {
    if (!isset($data[$key])) {
        continue;
    }
    $new_data[$key] = [];
    foreach ($data[$key] as $package) {
        unset($package['dist']['mirrors']);
        $new_data[$key][] = $package;
    }
}

$new_contents = json_encode($new_data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . "\n";
if (in_array('-i', $argv)) {
    file_put_contents(__DIR__ . '/composer.lock', $new_contents);
} else {
    echo $new_contents;
}