BuckEnvironmentCheckPhase.php-example

<?hh // strict
/**
 * Copyright (c) 2016-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */
namespace Facebook\ShipIt;
// Not strict because variadics aren't currently supported by strict

final class BuckEnvironmentCheckPhase extends EnvironmentCheckPhase {
  private static function runCommand(
    int $extra_flags,
    string ...$command
  ): string {
/* HH_FIXME[4128] Use ShipItShellCommand */
    return ShipItUtil::shellExec(
      /* path = */ '.',
      /* stdin = */ null,
      ShipItUtil::DONT_VERBOSE | ShipItUtil::NO_THROW | $extra_flags,
      ...$command,
    );
  }

  <<__Override>>
  public function runImpl(ShipItBaseConfig $config): void {
    $ant_v = self::runCommand(
      /* flags = */ 0,
      'ant', '-version',
    );
    $match = array();
    if (!preg_match('@version ([0-9\.]+)@', $ant_v, &$match)) {
      fprintf(STDERR, "Couldn't identify ant version: %s\n", $ant_v);
      exit(1);
    }
    if ($match[1] < '1.9') {
      fprintf(STDERR, "Needed ant 1.9, got %s\n", $match[1]);
      exit(1);
    }

    $java_v = self::runCommand(
      ShipItUtil::RETURN_STDERR,
      'java', '-version',
    );
    $match = array();
    if (!preg_match('@version "([0-9\.]+)@', $java_v, &$match)) {
      fprintf(STDERR, "Couldn't identify java version: %s\n", $java_v);
      exit(1);
    }

    if ($match[1] < '1.7') {
      fprintf(STDERR, "Needed Java 1.7, got %s\n", $match[1]);
      exit(1);
    }

    if (getenv('ANDROID_HOME') === false) {
      fwrite(STDERR, "ANDROID_HOME env variable not set\n");
      exit(1);
    }
    if (getenv('NDK_HOME') === false) {
      fwrite(STDERR, "NDK_HOME env variable not set\n");
      exit(1);
    }
  }
}