/**
* The main Drush function.
*
* - Runs "early" option code, if set (see global options).
* - Parses the command line arguments, configuration files and environment.
* - Prepares and executes a Drupal bootstrap, if possible,
* - Dispatches the given command.
*
* function_exists('drush_main') may be used by modules to detect whether
* they are being called from drush. See http://drupal.org/node/1181308
* and http://drupal.org/node/827478
*
* @return
* Whatever the given command returns.
*/
function drush_main()
{
$return = '';
if ($file = drush_get_option('early', FALSE)) {
require_once $file;
$function = 'drush_early_' . basename($file, '.inc');
if (function_exists($function)) {
if ($return = $function()) {
// If the function returns FALSE, we continue and attempt to bootstrap
// as normal. Otherwise, we exit early with the returned output.
if ($return === TRUE) {
$return = '';
}
drush_bootstrap_finish();
return $return;
}
}
}
// Process initial global options such as --debug.
_drush_bootstrap_global_options();
$return = '';
drush_bootstrap_to_phase(DRUSH_BOOTSTRAP_DRUSH);
if (!drush_get_error()) {
// Do any necessary preprocessing operations on the command,
// perhaps handling immediately.
$command_handled = drush_preflight_command_dispatch();
if (!$command_handled) {
$return = _drush_bootstrap_and_dispatch();
}
}
drush_bootstrap_finish();
// After this point the drush_shutdown function will run,
// exiting with the correct exit code.
return $return;
}
public static function tearDownAfterClass()
{
parent::tearDownAfterClass();
drush_bootstrap_finish();
}
