Fix #109. drush status's 'PHP configuration' should reflect the setting of the DRUSH_INI environment variable.

Author: weitzman

commands/core/core.drush.inc

@@ -758,6 +758,11 @@ function drush_core_config_load($headers = TRUE) {
 function _drush_core_config_php_ini_files() {
   $ini_files = array();
   $ini_files[] = php_ini_loaded_file();
+  if ($drush_ini = getenv('DRUSH_INI')) {
+    if (file_exists($drush_ini)) {
+      $ini_files[] = $drush_ini;
+    }
+  }
   foreach (array(DRUSH_BASE_PATH, '/etc/drush', drush_server_home() . '/.drush') as $ini_dir) {
     if (file_exists($ini_dir . "/php.ini")) {
       $ini_files[] = realpath($ini_dir . "/php.ini");