Index: includes/backend.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/backend.inc,v
retrieving revision 1.15
diff -u -p -r1.15 backend.inc
--- includes/backend.inc	20 May 2009 21:26:55 -0000	1.15
+++ includes/backend.inc	1 Aug 2009 14:34:04 -0000
@@ -157,7 +157,7 @@ function _drush_backend_integrate($data)
  *   If it executed succesfully, it returns an associative array containing the command
  *   called, the output of the command, and the error code of the command.
  */
-function _drush_proc_open($cmd, $data = NULL) {
+function _drush_proc_open($cmd, $data = NULL, $context = NULL) {
   $descriptorspec = array(
      0 => array("pipe", "r"),  // stdin is a pipe that the child will read from
      1 => array("pipe", "w"),  // stdout is a pipe that the child will write to
@@ -173,7 +173,7 @@ function _drush_proc_open($cmd, $data = 
     $info = stream_get_meta_data($pipes[1]);
     stream_set_blocking($pipes[1], TRUE);
     stream_set_timeout($pipes[1], 1);
-    $stream = '';
+    $string = '';
     while (!feof($pipes[1]) && !$info['timed_out']) { 
       $string .= fgets($pipes[1], 4096);
       $info = stream_get_meta_data($pipes[1]);
@@ -184,7 +184,6 @@ function _drush_proc_open($cmd, $data = 
     $info = stream_get_meta_data($pipes[2]);
     stream_set_blocking($pipes[2], TRUE);
     stream_set_timeout($pipes[2], 1);
-    $stream = '';
     while (!feof($pipes[2]) && !$info['timed_out']) { 
       $string .= fgets($pipes[2], 4096);
       $info = stream_get_meta_data($pipes[2]);
@@ -233,7 +232,13 @@ function _drush_proc_open($cmd, $data = 
  *   If the command was completed, this will return an associative array containing the data from drush_backend_output().
  */
 function drush_backend_invoke($command, $data = array(), $method = 'GET', $integrate = TRUE, $drush_path = NULL, $hostname = NULL, $username = NULL) {
-  $cmd = _drush_backend_generate_command($command, $data, $method, $drush_path, $hostname, $username);
+  $args = explode(" ", $command);
+  $command = array_shift($args);
+  return drush_backend_invoke_args($command, $args, $data, $method, $integrate, $drush_path, $hostname, $username);
+}
+
+function drush_backend_invoke_args($command, $args, $data = array(), $method = 'GET', $integrate = TRUE, $drush_path = NULL, $hostname = NULL, $username = NULL) {
+  $cmd = _drush_backend_generate_command($command, $args, $data, $method, $drush_path, $hostname, $username);
   drush_log(dt('Running: !cmd', array('!cmd' => $cmd)), 'command');
   return _drush_backend_invoke($cmd, $data, $integrate);
 }
@@ -280,9 +285,11 @@ function _drush_backend_invoke($cmd, $da
 
 /**
  * Generate a command to execute.
-
+ *
  * @param command
  *    A defined drush command such as 'cron', 'status' or any of the available ones such as 'drush pm'.
+ * @param args
+ *    An array or arguments for the command.
  * @param data
  *    Optional. An array containing options to pass to the remote script.
  *    Array items with a numeric key are treated as optional arguments to the command.
@@ -308,20 +315,18 @@ function _drush_backend_invoke($cmd, $da
  * @return
  *   A text string representing a fully escaped command.
  */
-function _drush_backend_generate_command($command, &$data, $method = 'GET', $drush_path = null, $hostname = null, $username = null) {
+function _drush_backend_generate_command($command, $args, &$data, $method = 'GET', $drush_path = null, $hostname = null, $username = null) {
   $drush_path = !is_null($drush_path) ? $drush_path : DRUSH_COMMAND; // Call own drush.php file.
   $data['root'] = ($data['root']) ? $data['root'] : drush_get_context('DRUSH_DRUPAL_ROOT');
   $data['uri'] = array_key_exists('uri', $data) ? $data['uri'] : drush_get_context('DRUSH_URI');
 
   $option_str = _drush_backend_argument_string($data, $method);
-  $args = explode(" ", $command);
   foreach ($data as $key => $arg) {
     if (is_numeric($key)) {
       $args[] = $arg;
       unset($data[$key]);
     }
   }
-  $command = '';
   foreach ($args as $arg) {
     $command .= ' ' . escapeshellarg($arg);
   }
@@ -347,7 +352,9 @@ function _drush_backend_generate_command
  */
 function drush_backend_fork($command, $data, $drush_path = null, $hostname = null, $username = null) {
   $data['quiet'] = TRUE;
-  $cmd = "(" . _drush_backend_generate_command($command, $data, 'GET', $drush_path, $hostname, $username) . ' &) > /dev/null';
+  $args = explode(" ", $command);
+  $command = array_shift($args);
+  $cmd = "(" . _drush_backend_generate_command($command, $args, $data, 'GET', $drush_path, $hostname, $username) . ' &) > /dev/null';
   drush_log(dt("Forking : !cmd", array('!cmd' => $cmd)));
   system($cmd);
 }