version-info-from-makefile.php

<?php

$ini = file_get_contents(__DIR__ . '/../make.ini');

/**
 * @var SplFileInfo $path
 * @var SplFileInfo $file
 */

foreach(new DirectoryIterator(__DIR__ . '/sites/all/modules/contrib') as $path) {

  $projectname = $path->getFilename();

  // extract version.
  $pattern = '/projects\[' . preg_quote($projectname). '\]\[version\]\ ?\=\ ?"(.*)\"/';
  $matches = array();
  preg_match($pattern, $ini, $matches);
  $version = $matches[1];
  if (empty($version[1])) {
    continue;
  }

  foreach (new DirectoryIterator($path->getPathname()) as $file) {
    if ($file->isDir()) {
      continue;
    }

    if ($file->getExtension() == 'info') {
      if (file_put_contents($file->getPathname(), sprintf(PHP_EOL . 'version = "7.x-%s"', $version), FILE_APPEND)) {
        echo sprintf('Added version "%s" to "%s"' . "\n", $version, $file->getPathname());
      }
    }
  }
}