drushrc.php

<?php


// Load a drushrc.php file from the 'drush' folder at the root of the current
// git repository.
if ($repo_root = _drushrc_find_repo_root()) {
  drush_set_context('DRUSH_REPO_ROOT', $repo_root);
  if (is_dir($repo_root . '/drush')) {
    if (is_file($repo_root . '/drush/drushrc.php')) {
      $options['config'] = $repo_root . '/drush/drushrc.php';
    }
    if (is_dir($repo_root . '/drush/commands')) {
      $options['include'] = $repo_root . '/drush/commands';
    }
    if (is_dir($repo_root . '/drush/aliases')) {
      $options['alias-path'] = $repo_root . '/drush/aliases';
    }
  }
}

/**
 * Attempt to find the root directory of a Git clone.
 *
 * @param string $directory
 *   The directory that may be inside a Git checkout.
 *
 * @return string|bool
 *   The Git root directory if found, or FALSE otherwise.
 */
function _drushrc_find_repo_root($directory = NULL) {
  if (!isset($directory)) {
    $directory = _drushrc_find_drupal_root();
  }

  if (!is_dir($directory)) {
    return FALSE;
  }

  $success = drush_shell_cd_and_exec($directory, 'git rev-parse --show-toplevel 2> ' . drush_bit_bucket());
  if ($success) {
    $output = drush_shell_exec_output();
    return $output[0];
  }
  return FALSE;
}

/**
 * Attempt to find the current Drupal root directory.
 */
function _drushrc_find_drupal_root() {
  if ($root = drush_get_option('root')) {
    return $root;
  }

  // Drush has not yet bootstrapped to detect the current site if an alias was
  // provided. The side effects of calling this early here are not yet known.
  // For example, if you are using a Drush alias that is defined inside your
  // project's drush directory, that alias will not yet have been loaded, and
  // the the following will not get executed. In this case, however, the
  // behavior of falling back to the current directory still works I think.
  /*if (drush_sitealias_check_arg() === TRUE) {
    // If the alias points to a remote host, just stop here.
    if (drush_get_option('remote-host')) {
      return FALSE;
    }
    elseif ($root = drush_get_context('DRUSH_SELECTED_DRUPAL_ROOT')) {
      return $root;
    }
  }*/

  // Fallback to the current directory.
  return drush_cwd();
}