? .drush.php.swp
? .svn
? drush_backend.diff
? drushrc.php
? nonbe.deff
? z
? includes/.backend.inc.swp
? includes/.command.inc.swp
? includes/.core_commands.drush.inc.swp
? includes/.drush.inc.swp
? includes/.environment.inc.swp
Index: drush.php
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/drush.php,v
retrieving revision 1.49
diff -u -r1.49 drush.php
--- drush.php	20 Mar 2009 16:10:54 -0000	1.49
+++ drush.php	24 Mar 2009 01:39:05 -0000
@@ -20,7 +20,9 @@
 require_once dirname(__FILE__) . '/includes/backend.inc';
 require_once dirname(__FILE__) . '/includes/context.inc';
 
-exit(drush_bootstrap($GLOBALS['argc'], $GLOBALS['argv']));
+drush_set_context('argc', $GLOBALS['argc']);
+drush_set_context('argv', $GLOBALS['argv']);
+exit(drush_main());
 
 /**
  * Verify that we are running PHP through the command line interface.
@@ -51,112 +53,24 @@
  * @return
  *   Whatever the given command returns.
  */
-function drush_bootstrap($argc, $argv) {
-  // The bootstrap can fail silently, so we catch that in a shutdown function.
-  register_shutdown_function('drush_shutdown');
-
-  // Parse command line options and arguments.
-  // This will poplate the 'arguments', 'cli' and 'stdin' contexts. 
-  drush_parse_args($argv, array('c', 'h', 'u', 'r', 'l', 'i'));
-
-  $path = drush_get_option(array('r', 'root'), drush_cwd());
-  $drupal_root = drush_locate_root($path);
-
-  // Load available .drushrc file(s). 
-  // Allows you to provide defaults for options and variables.
-  drush_load_config();
-  define('DRUSH_BACKEND',     drush_get_option(array('b', 'backend'), FALSE));
-  define('DRUSH_QUIET',     drush_get_option(array('q', 'quiet'), FALSE));
-  // When running in backend mode, all output is buffered, and returned
-  // as a property of a JSON encoded associative array.
-  if (DRUSH_BACKEND || DRUSH_QUIET) {
-    ob_start();
-  }
-  // Quickly attempt to find the command. 
-  // A second attempt is performed in drush_dispatch().
-  drush_parse_command();
-  $command = drush_get_command();
-  // Define basic options as constants.
-  define('DRUSH_VERBOSE',     drush_get_option(array('v', 'verbose'), FALSE));
-  define('DRUSH_AFFIRMATIVE', drush_get_option(array('y', 'yes'), FALSE));
-  define('DRUSH_SIMULATE',    drush_get_option(array('s', 'simulate'), FALSE));
-
-  define('DRUSH_URI',         drush_get_option(array('l', 'uri'), drush_site_uri($drupal_root)));
-  define('DRUSH_USER',        drush_get_option(array('u', 'user'), 0));
-
-  if ($drupal_root) {
-
-    drush_drupal_set_environment($drupal_root);
-
-    // Bootstrap Drupal.
-    if (drush_drupal_bootstrap($drupal_root, $command['bootstrap'])) {
-      /**
-       * Allow the drushrc.php file to override $conf settings.
-       * This is a separate variable because the $conf array gets
-       * initialized to an empty array, in the drupal bootstrap process,
-       * and changes in settings.php would wipe out the drushrc.php settings.
-       */
-      if (is_array($override)) {
-        $conf = array_merge($conf, $override);
-      }
+function drush_main() {
+  $phases = _drush_bootstrap_phases();
 
-      // We have changed bootstrap level, so re-detect command files.
-      drush_commandfile_cache_flush();
+  foreach ($phases as $phase) {
+    drush_bootstrap($phase);
 
-      // Login the specified user (if given).
-      if (DRUSH_USER) {
-        drush_drupal_login(DRUSH_USER);
+    $command = drush_parse_command();
+    if (is_array($command)) {
+      if ($command['bootstrap'] == $phase) {
+        // Dispatch the command(s).
+        // After this point the drush_shutdown function will run,
+        // exiting with the correct exit code.
+        return drush_dispatch($command);
       }
     }
   }
-
-  if (DRUSH_SIMULATE) {
-    drush_print('SIMULATION MODE IS ENABLED. NO ACTUAL ACTION WILL BE TAKEN. SYSTEM WILL REMAIN UNCHANGED.');
-  }
-
-  // Dispatch the command(s).
-  $output = drush_dispatch();
-
-  // prevent a '1' at the end of the outputs
-  if ($output === TRUE) {
-    $output = '';
-  }
-
-  // After this point the drush_shutdown function will run,
-  // exiting with the correct exit code.
-  return $output;
-}
-
-/**
- * Sets up various constants and $_SERVER entries used by
- * Drupal, essentially mimicking a webserver environment.
- *
- * @param string
- *   Path to Drupal installation root.
- */
-function drush_drupal_set_environment($drupal_root) {
-  define('DRUSH_DRUPAL_ROOT', $drupal_root);
-  define('DRUSH_DRUPAL_VERSION', drush_drupal_version());
-  define('DRUSH_DRUPAL_MAJOR_VERSION', drush_drupal_major_version());
-  
-  // Possibly temporary. See http://drupal.org/node/312421.
-  define('DRUPAL_ROOT', DRUSH_DRUPAL_ROOT);
-
-  // Fake the necessary HTTP headers that Drupal needs:
-  if (DRUSH_URI) {
-    $drupal_base_url = parse_url(DRUSH_URI);
-    $_SERVER['HTTP_HOST'] = $drupal_base_url['host'];
-    $_SERVER['PHP_SELF'] = $drupal_base_url['path'] . '/index.php';
-  }
-  else {
-    $_SERVER['HTTP_HOST'] = 'default';
-    $_SERVER['PHP_SELF'] = '/index.php';
-  }
-  $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] = $_SERVER['PHP_SELF'];
-  $_SERVER['REMOTE_ADDR'] = '127.0.0.1';
-  $_SERVER['REQUEST_METHOD']  = NULL;
-  $_SERVER['SERVER_SOFTWARE'] = NULL;
-  $_SERVER['HTTP_USER_AGENT'] = NULL;
+  // If we reach this point, we have not found a valid command.
+  drush_set_error('DRUSH_COMMAND_NOT_FOUND');
 }
 
 /**
@@ -174,19 +88,24 @@
  * result of drush_get_error() if it wasn't.
  */
 function drush_shutdown() {
-  $handle_bootstrap = drush_get_option('handle_bootstrap', FALSE, 'process');
-  if ($handle_bootstrap && DRUSH_URI) {
-    if (!drush_get_option('handle_bootstrap_database', FALSE, 'process')) {
-      ob_end_clean();
-      drush_set_error(DRUSH_DRUPAL_DB_ERROR);
-    }
-    elseif (!drush_get_option('handle_bootstrap_database', FALSE, 'process')) {
-      ob_end_clean();
-      drush_set_error(DRUSH_DRUPAL_BOOTSTRAP_ERROR);
+  $phase = drush_get_context('DRUSH_BOOTSTRAP_PHASE');
+  
+  if (drush_get_context('DRUSH_BOOTSTRAPPING')) {
+    switch ($phase) {
+      case DRUSH_DRUPAL_BOOTSTRAP_DATABASE :
+          ob_end_clean();
+          drush_set_error(DRUSH_DRUPAL_DB_ERROR);
+          break;
+        case DRUSH_DRUPAL_BOOTSTRAP_FULL :
+          ob_end_clean();
+          drush_set_error(DRUSH_DRUPAL_BOOTSTRAP_ERROR);
+          break;
     }
-    _drush_log_drupal_messages();
   }
-  if (DRUSH_BACKEND) {
+
+
+
+  if (drush_get_context('DRUSH_BACKEND')) {
     drush_backend_output();
   }
 
@@ -196,68 +115,6 @@
 }
 
 /**
- * Bootstrap Drupal.
- *
- * @param string
- *   path to Drupal installation root.
- *
- * @param mixed
- *   NULL for a full bootstrap or any of the Drupal bootstrap sequence constants.
- *   These depend on the Drupal major version.
- *
- * @return
- *   TRUE if Drupal successfully bootstrapped to the given state.
- */
-function drush_drupal_bootstrap($drupal_root, $bootstrap = NULL) {
-  // Change to Drupal root dir.
-  chdir($drupal_root);
-
-  if ($bootstrap != -1) {
-    require_once DRUSH_DRUPAL_BOOTSTRAP;
-
-    if (($conf_path = conf_path()) && !file_exists("./$conf_path/settings.php")) {
-      return FALSE;
-    }
-
-    // Enable error reporting if the bootstrap fails silently.
-    drush_set_option('handle_bootstrap', TRUE);
-
-    if (is_null($bootstrap)) {
-      drush_drupal_bootstrap_db(); 
-      drush_drupal_bootstrap_full(); 
-
-      // Set this constant when we are fully bootstrapped.
-      define('DRUSH_DRUPAL_BOOTSTRAPPED', TRUE);
-    }
-
-    // If we are still running here then we don't need to worry about handling bootstrap failures.
-    drush_set_option('handle_bootstrap', FALSE);
-  }
-
-  return TRUE;
-}
-
-/**
- * Bootstrap the Drupal database.
- */
-function drush_drupal_bootstrap_db() {
-  ob_start();
-  drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
-  ob_end_clean();
-  drush_set_option('handle_bootstrap_database', TRUE);
-}
-
-/**
- * Fully bootstrap Drupal.
- */
-function drush_drupal_bootstrap_full() {
-  ob_start();
-  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
-  ob_end_clean();
-  drush_set_option('handle_bootstrap_full', TRUE);
-}
-
-/**
  * Log the given user in to a bootstrapped Drupal site.
  *
  * @param mixed
@@ -272,13 +129,14 @@
 
   if (empty($user)) {
     if (is_numeric($drush_user)) {
-      drush_die(dt('Could not login with user ID #%user.', array('%user' => $drush_user)));
+      $message = dt('Could not login with user ID #%user.', array('%user' => $drush_user));
     }
     else {
-      drush_die(dt('Could not login with user account `%user\'.', array('%user' => $drush_user)));
+      $message = dt('Could not login with user account `%user\'.', array('%user' => $drush_user));
     }
-    return FALSE;
+    return drush_set_error(DRUPAL_USER_LOGIN_FAILED, $message);
   }
 
   return TRUE;
 }
+
Index: includes/backend.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/backend.inc,v
retrieving revision 1.2
diff -u -r1.2 backend.inc
--- includes/backend.inc	20 Mar 2009 16:10:54 -0000	1.2
+++ includes/backend.inc	24 Mar 2009 01:39:06 -0000
@@ -72,7 +72,7 @@
 
   // Return the options that were set at the end of the process.
   $data['context']  = drush_get_merged_options();
-  if (!DRUSH_QUIET) {
+  if (!drush_get_context('DRUSH_QUIET')) {
     printf(DRUSH_BACKEND_OUTPUT_DELIMITER, json_encode($data));
   }
 }
@@ -167,7 +167,7 @@
   $process = proc_open($cmd, $descriptorspec, $pipes, null, null, array('context' => $context));
   if (is_resource($process)) {
     if ($data) {
-      fwrite($pipes[0], json_encode($data, TRUE)); // pass the data array in a JSON encoded string
+      fwrite($pipes[0], json_encode($data)); // pass the data array in a JSON encoded string
     }
 
     $info = stream_get_meta_data($pipes[1]);
Index: includes/command.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/command.inc,v
retrieving revision 1.17
diff -u -r1.17 command.inc
--- includes/command.inc	20 Mar 2009 16:10:54 -0000	1.17
+++ includes/command.inc	24 Mar 2009 01:39:06 -0000
@@ -15,6 +15,65 @@
  */
 
 /**
+ * Parse console arguments.
+ */
+function drush_parse_args() {
+  $args = drush_get_context('argv');
+
+  static $default_options = array('c', 'h', 'u', 'r', 'l', 'i');
+
+  $arguments = array();
+
+  for ($i = 1; $i < count($args); $i++) {
+    $opt = $args[$i];
+    // Is the arg an option (starting with '-')?
+    if ($opt{0} == "-" && strlen($opt) != 1) {
+      // Do we have multiple options behind one '-'?
+      if (strlen($opt) > 2 && $opt{1} != "-") {
+        // Each char becomes a key of its own.
+        for ($j = 1; $j < strlen($opt); $j++) {
+          $options[substr($opt, $j, 1)] = true;
+        }
+      }
+      // Do we have a longopt (starting with '--')?
+      elseif ($opt{1} == "-") {
+        if ($pos = strpos($opt, '=')) {
+          $options[substr($opt, 2, $pos - 2)] = substr($opt, $pos + 1);
+        }
+        else {
+          $options[substr($opt, 2)] = true;
+        }
+      }
+      else {
+        $opt = substr($opt, 1);
+        // Check if the current opt is in $arg_opts (= has to be followed by an argument).
+        if ((in_array($opt, $arg_opts))) {
+          if (($args[$i+1] == NULL) || ($args[$i+1] == "") || ($args[$i + 1]{0} == "-")) {
+            exit("Invalid input: -$opt needs to be followed by an argument.");
+          }
+          $options[$opt] = $args[$i + 1];
+          $i++;
+        }
+        else {
+          $options[$opt] = true;
+        }
+      }
+    }
+    // If it's not an option, it's a command.
+    else {
+      $arguments[] = $opt;
+    }
+  }
+
+  // If arguments are specified, print the help screen.
+  $arguments = sizeof($arguments) ? $arguments : array('help');
+
+  drush_set_arguments($arguments);
+  drush_set_context('options', $options);
+}
+
+
+/**
  * Get a list of all implemented commands.
  * This invokes hook_drush_command().
  *
@@ -27,14 +86,17 @@
  */
 function drush_get_commands() {
   $commands = drush_command_invoke_all('drush_command');
-  
+
+  // Filter out commands which are invalid for this bootstrap phase.
+  $commands = drush_enforce_requirement_bootstrap_phase($commands);
+
   // Filter out commands which are invalid for the current version of core Drupal.
   $commands = drush_enforce_requirement_core($commands);
   
   // Filter out commands which are missing their dependant Drupal modules.
   $commands = drush_enforce_requirement_drupal_dependencies($commands);
-  
-  return $commands;
+
+  return drush_set_context('DRUSH_COMMANDS', $commands);
 }
 
 /**
@@ -110,10 +172,10 @@
     if (isset($command['callback arguments']) && is_array($command['callback arguments'])) {
       $arguments = array_merge($command['callback arguments'], $arguments);
     }
-
+    $command['arguments'] = $arguments;
     drush_set_command($command);
-    drush_set_arguments($arguments);
   }
+  return $command;
 }
 
 /**
@@ -174,7 +236,6 @@
  */
 function drush_is_command($command) {
   $commands = drush_get_commands();
-  // print_r($commands);
   return isset($commands[$command]);
 }
 
@@ -197,34 +258,41 @@
  *   command files.
  */
 function drush_commandfile_list() {
-  $cache = _drush_commandfile_cache();
+  return drush_get_context('DRUSH_COMMAND_FILES', array());
+}
 
-  $list = NULL;
+function _drush_find_commandfiles($phase) {
+  $cache =& drush_get_context('DRUSH_COMMAND_FILES', array());
 
-  if (!$cache) {
-    $searchpath = array();
+  $searchpath = array();
+  switch ($phase) {
+    case DRUSH_BOOTSTRAP_DRUSH :
+      // Core commands shipping with drush
+      $searchpath[] = dirname(__FILE__);
+
+      // User commands, specified by 'include' option
+      if ($include = drush_get_option(array('i', 'include'), FALSE)) {
+        foreach (explode(":", $include) as $path) {
+          $searchpath[] = $path;
+        }
+      }
 
-    // Core commands shipping with drush
-    $searchpath[] = dirname(__FILE__);
+      // User commands, residing i ~/.drush
+      if (!empty($_SERVER['HOME'])) {
+        $searchpath[] = $_SERVER['HOME'] . '/.drush';
+      }
+      break;
+    case DRUSH_BOOTSTRAP_DRUPAL_FULL :
+     // Add enabled module paths. Since we are bootstrapped,
+     // we can use the Drupal API.
+     foreach (array_keys(module_rebuild_cache()) as $module) {
+       $searchpath[] = drupal_get_path('module', $module);
+     }
+     break;
 
-    // User commands, residing i ~/.drush
-    if (!empty($_SERVER['HOME'])) {
-      $searchpath[] = $_SERVER['HOME'] . '/.drush';
-    }
+  }
 
-    // User commands, specified by 'include' option
-    if ($include = drush_get_option(array('i', 'include'), FALSE)) {
-      $searchpath = array_merge($searchpath, explode(":", $include));
-    }
-    
-    // Site commands, found in current Drupal site.
-    if (defined('DRUSH_DRUPAL_BOOTSTRAPPED')) {
-      // Add enabled module paths. Since we are bootstrapped,
-      // we can use the Drupal API.
-      foreach (array_keys(module_rebuild_cache()) as $module) {
-        $searchpath[] = drupal_get_path('module', $module);
-      }
-    }
+  if (sizeof($searchpath)) {
     $list = array();
 
     // Scan for drush command files, load if found
@@ -237,14 +305,13 @@
         }
       }
     }
-  }
 
-  return _drush_commandfile_cache($list);
+    if (sizeof($list)) {
+      $cache = array_merge($cache, $list);
+    }
+  }
 }
 
-// This constant, when passed to _drush_commandfile_cache, will wipe out the command file cache
-define('DRUSH_FLUSH_COMMANDFILE_CACHE', 1);
-
 /**
  * Storage mechanism for the cached commandfile list.
  *
@@ -362,6 +429,21 @@
   return $files;
 }
 
+// Return commands that are valid for the current bootstrap phase.
+function drush_enforce_requirement_bootstrap_phase($commands) {
+  $valid = array();
+  $current_phase = drush_get_context('DRUSH_BOOTSTRAP_PHASE');
+  if (!empty($commands)) {
+    foreach ($commands as $key => $command) {
+      $command += array('bootstrap' => DRUSH_BOOTSTRAP_DRUPAL_FULL);
+      if ($command['bootstrap'] == $current_phase) {
+        $valid[$key] = $command;
+      }
+    }
+  }
+  return $valid;
+}
+
 // Return commands which have their declared dependencies or have no dependencies.
 function drush_enforce_requirement_drupal_dependencies($commands) {
   $valid = array();
@@ -393,3 +475,4 @@
   return $valid;
 }
 
+
Index: includes/context.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/context.inc,v
retrieving revision 1.1
diff -u -r1.1 context.inc
--- includes/context.inc	20 Mar 2009 16:10:54 -0000	1.1
+++ includes/context.inc	24 Mar 2009 01:39:07 -0000
@@ -47,7 +47,7 @@
  *    Specified by config files : 
  *      custom   : Loaded from the config file specified by --config or -c
  *      site     : Loaded from the drushrc.php file in the Drupal sites directory.
- *      platform : Loaded from the drushrc.php file in the Drupal root directory.
+ *      drupal    : Loaded from the drushrc.php file in the Drupal root directory.
  *      user     : Loaded from the drushrc.php file in the user's home directory.
  *      drush    : Loaded from the drushrc.php file in the same directory as drush.php.
  *
@@ -67,19 +67,21 @@
  *   The keys are the 'context' of the files, the values are the file
  *   system locations.
  */
-function _drush_config_files() {
+function _drush_config_file($context) {
   $configs = array();
 
   // Did the user explicitly specify a config file?
-  if ($config = drush_get_option(array('c', 'config'), FALSE)) {
+  if ($config = drush_get_option(array('c', 'config'))) {
     $configs['custom'] = $config;
   }
 
-  // in the current site directory
-  $configs['site'] = drush_site_path() . "/drushrc.php";
+  if ($site_path = drush_get_option('DRUSH_SITE_PATH')) {
+    $configs['site'] = $site_path . "/drushrc.php";
+  }
 
-  // in the located drupal root
-  $configs['platform'] = drush_get_option(array('r', 'root'), drush_locate_root()). '/drushrc.php';
+  if ($drupal_root = drush_get_option('DRUSH_DRUPAL_ROOT')) {
+    $configs['drupal'] = $drupal_root . '/drushrc.php';
+  }
 
   // in the user home directory
   $configs['user'] = $_SERVER['HOME'] . '/.drushrc.php';
@@ -88,23 +90,29 @@
   // TODO: This really should be a proper, system-wide location.
   $configs['drush'] = dirname(__FILE__) . '/../drushrc.php';
 
-  return $configs;
+  return $configs[$context];
 }
 
 
 /**
  * Load drushrc files (if available) from several possible locations.
  */
-function drush_load_config() {
-  global $override;
+function drush_load_config($context) {
+  global $conf;
 
-  $configs = _drush_config_files();
-  foreach ($configs as $context => $config) {
-    $options = array();
-    if (file_exists($config)) {
-      // Sets all the default options for drush
-      require_once($config);
-      drush_set_context($context, $options);
+  $config = _drush_config_file($context);
+  if (file_exists($config)) {
+    require_once($config);
+    drush_set_context($context, $options);
+
+    /**
+     * Allow the drushrc.php file to override $conf settings.
+     * This is a separate variable because the $conf array gets
+     * initialized to an empty array, in the drupal bootstrap process,
+     * and changes in settings.php would wipe out the drushrc.php settings.
+     */
+    if (is_array($override)) {
+      $conf = array_merge($conf, $override);
     }
   }
 }
@@ -114,28 +122,16 @@
  *
  * @param context
  *   Any of the default defined contexts.
- * @param options
+ * @param value 
  *   The value to store in the context
- * @param merge
- *   Optional. Should the pervious options be merged, retaining any settings not defined in options.
  * 
  * @return
  *   An associative array of the settings specified in the request context.
  */
-function drush_set_context($context, $options, $merge = FALSE) {
-
-  $options = (array) $options;
-
-  $cache =& _drush_get_context($context);
-
-  if ($merge) {
-    $cache = array_merge($cache, $options);
-  }
-  else {
-    $cache = $options;
-  }
-
-  return $cache;
+function drush_set_context($context, $value) {
+  $cache =& drush_get_context($context);
+  $cache = $value;
+  return $value;
 }
 
 
@@ -149,7 +145,7 @@
  *
  * Functions that operate on the context cache, can retrieve a reference
  * to the context cache using :
- *     $cache = &_drush_get_context($context);
+ *     $cache = &drush_get_context($context);
  *
  * This is a private function, because it is meant as an internal 
  * generalized API for writing static cache functions, not as a general
@@ -167,7 +163,7 @@
  *   Otherwise only the requested context will be returned.
  *   If the context does not exist yet, it will be initialied to an empty array.
  */
-function &_drush_get_context($context = null) {
+function &drush_get_context($context = null) {
   static $cache = array();
   if (!is_null($context)) {
     if (!isset($cache[$context])) {
@@ -203,7 +199,7 @@
  * arguments to the command.
  */
 function drush_get_arguments() {
-  return _drush_get_context('arguments');
+  return drush_get_context('arguments');
 }
 
 /**
@@ -226,82 +222,8 @@
  * 
  */
 function drush_get_command() {
-  return _drush_get_context('command');
+  return drush_get_context('command');
 }
-
-/**
- * Parse console arguments.
- *
- * @param $args
- *   The console argument array (usually $argv)
- * @param $arg_opts
- *   An array of options that are followed by an argument.
- *   e.g. shell.php -u admin -v --> $arg_opts = array('u')
- * @param $default_options
- * @return
- *   A associative array:
- *   $return['commands'] ia a numeric array of all commands,
- *   $return['options'] contains the options. The option keys
- *   are always noted without - or -- and are set to TRUE if they were
- *   invoked, to the argument if followed by an argument, and if not present
- *   to their default value or FALSE if no default value was specified.
- */
-function drush_parse_args($args = array(), $arg_opts = array(), $default_options = array()) {
-  $options = $default_options;
-  $arguments = array();
-
-  for ($i = 1; $i < count($args); $i++) {
-    $opt = $args[$i];
-    // Is the arg an option (starting with '-')?
-    if ($opt{0} == "-" && strlen($opt) != 1) {
-      // Do we have multiple options behind one '-'?
-      if (strlen($opt) > 2 && $opt{1} != "-") {
-        // Each char becomes a key of its own.
-        for ($j = 1; $j < strlen($opt); $j++) {
-          $options[substr($opt, $j, 1)] = true;
-        }
-      }
-      // Do we have a longopt (starting with '--')?
-      elseif ($opt{1} == "-") {
-        if ($pos = strpos($opt, '=')) {
-          $options[substr($opt, 2, $pos - 2)] = substr($opt, $pos + 1);
-        }
-        else {
-          $options[substr($opt, 2)] = true;
-        }
-      }
-      else {
-        $opt = substr($opt, 1);
-        // Check if the current opt is in $arg_opts (= has to be followed by an argument).
-        if ((in_array($opt, $arg_opts))) {
-          if (($args[$i+1] == NULL) || ($args[$i+1] == "") || ($args[$i + 1]{0} == "-")) {
-            exit("Invalid input: -$opt needs to be followed by an argument.");
-          }
-          $options[$opt] = $args[$i + 1];
-          $i++;
-        }
-        else {
-          $options[$opt] = true;
-        }
-      }
-    }
-    // If it's not an option, it's a command.
-    else {
-      $arguments[] = $opt;
-    }
-  }
-  drush_set_arguments($arguments);
-  drush_set_context('options', $options);
-
-  if (DRUSH_BACKEND) {
-    // Load options passed as a JSON encoded string through STDIN.
-    $stdin_options = _drush_backend_get_stdin();
-    if (is_array($stdin_options)) {
-      drush_set_context('stdin', $stdin_options);
-    }
-  }
-}
-
 /**
  * Get the value for an option.
  *
@@ -321,17 +243,17 @@
 
   if ($context) {
     // We have a definite context to check for the presence of an option.
-    $value = _drush_get_option($option, _drush_get_context($context));
+    $value = _drush_get_option($option, drush_get_context($context));
   }
   else {
     // We are not checking a specific context, so check them in a predefined order of precedence.
     static $contexts = array(
       'process', 'options', 'stdin', 
-      'custom', 'site', 'platform', 'user', 
+      'custom', 'site', 'drupal', 'user', 
       'drush', 'default');
 
     foreach ($contexts as $context) {
-      $value = _drush_get_option($option, _drush_get_context($context));
+      $value = _drush_get_option($option, drush_get_context($context));
 
       if ($value !== null) {
         return $value;
@@ -352,9 +274,9 @@
 function drush_get_merged_options() {
   static $contexts = array(
       'process', 'options', 'stdin', 
-      'custom', 'site', 'platform', 'user',
+      'custom', 'site', 'drupal', 'user',
       'drush', 'default');
-  $cache = _drush_get_context();
+  $cache = drush_get_context();
   $result = array();
   foreach (array_reverse($contexts) as $context) {
     if (array_key_exists($context, $cache)) {
@@ -398,7 +320,7 @@
  *   Without having to constantly type out the value parameter.
  */
 function drush_set_option($option, $value, $context = 'process') {
-  $cache =& _drush_get_context($context);
+  $cache =& drush_get_context($context);
   $cache[$option] = $value;
   return $value;
 }
@@ -419,7 +341,7 @@
  *   Context in which to unset the value in.
  */
 function drush_unset_option($option, $context) {
-  $cache =& _drush_get_context($context);
+  $cache =& drush_get_context($context);
   if (array_key_exists($option, $cache)) {
     unset($cache[$option]);
   }
@@ -438,7 +360,7 @@
   if (array_key_exists($context, $files)) {
     $filename = $files[$context];
 
-    $cache = _drush_get_context($context);
+    $cache = drush_get_context($context);
 
     $fp = fopen($filename, "w+");
     if (!$fp) {
Index: includes/core_commands.drush.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/core_commands.drush.inc,v
retrieving revision 1.29
diff -u -r1.29 core_commands.drush.inc
--- includes/core_commands.drush.inc	13 Mar 2009 10:13:48 -0000	1.29
+++ includes/core_commands.drush.inc	24 Mar 2009 01:39:07 -0000
@@ -22,6 +22,11 @@
 function core_commands_drush_command() {
   $items = array();
 
+  $items['help'] = array(
+    'callback' => 'drush_usage',
+    'description' => 'Print this help message.',
+    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH, // No bootstrap.
+  );
   $items['cron'] = array(
     'callback' => 'core_commands_cron_run',
     'description' => 'Run all cron hooks.',
@@ -59,7 +64,7 @@
     'options' => array(
       '--destination' => 'Path to which the project will be copied.',
     ),
-    'bootstrap' => -1, // No bootstrap at all.
+    'bootstrap' => DRUSH_BOOTSTRAP_DRUSH, // No bootstrap at all.
   );
   return $items;
 }
@@ -98,15 +103,6 @@
       $message .= dt("\nDrush was attempting to connect to : \n!credentials\n", array('!credentials' => _core_commands_site_credentials()));
       $message .= dt("You can select another site with a working database setup by specifying the URI to use with the --uri parameter on the command line or \$options['uri'] in your drushrc.php file.\n");
       return $message;
-
-      $site_path = drush_site_path();
-      $message = "Drush was not able to start (bootstrap) Drupal.\n";
-      $message .= "Hint: This error often occurs when Drush is trying to bootstrap a site\n";
-      $message .= "that has not been installed or does not have a configured database.\n";
-      $message .= "Drush was looking for the site in '$site_path'. You can select another site\n";
-      $message .= "with a working database setup by specifying the URI to use with the --uri\n";
-      $message .= "parameter on the command line or \$options['uri'] in your drushrc.php file.\n";
-      return $message;
       break;
   }
 }
@@ -177,15 +173,15 @@
  * installation.
  */
 function core_commands_status() {
-  if (defined('DRUSH_DRUPAL_ROOT')) {
-    drush_print(dt("Drupal !version is installed at !DRUSH_DRUPAL_ROOT.", array('!version' => drush_drupal_version(), '!DRUSH_DRUPAL_ROOT' => DRUSH_DRUPAL_ROOT)));
-    if (DRUSH_URI != '') {
-      drush_print(dt("Current site: !DRUSH_URI", array('!DRUSH_URI' => DRUSH_URI)));
+  if ($drupal_root = drush_get_context('DRUSH_DRUPAL_ROOT')) {
+    drush_print(dt("Drupal !version is installed at !DRUSH_DRUPAL_ROOT.", array('!version' => drush_drupal_version(), '!DRUSH_DRUPAL_ROOT' => $drupal_root)));
+    if ($drush_uri = drush_get_context('DRUSH_URI')) {
+      drush_print(dt("Current site: !DRUSH_URI", array('!DRUSH_URI' => $drush_uri)));
     }
     else {
       drush_print(dt("No site uri was determined. Using default site path."));
     }
-    if (defined('DRUSH_DRUPAL_BOOTSTRAPPED')) {
+    if (drush_get_context('DRUSH_BOOTSTRAP_PHASE') >= DRUSH_BOOTSTRAP_DRUPAL_DATABASE) {
       switch (drush_drupal_major_version()) {
         case 5:
         case 6:
@@ -410,4 +406,4 @@
       drush_set_error('DRUSH_PM_DOWNLOAD_FAILED', dt('Could not download project status information from !url', array('!url' => $url)));
     }
   }
-}
\ No newline at end of file
+}
Index: includes/drush.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/drush.inc,v
retrieving revision 1.15
diff -u -r1.15 drush.inc
--- includes/drush.inc	20 Mar 2009 16:10:54 -0000	1.15
+++ includes/drush.inc	24 Mar 2009 01:39:08 -0000
@@ -14,41 +14,18 @@
  * @param
  *
  */
-function drush_dispatch() {
-  if (!drush_get_command()) {
-    $arguments = drush_get_arguments();
-
-    // Special case for help command
-    $show_help = FALSE;
-    if (isset($arguments[0]) && $arguments[0] == 'help') {
-      $show_help = TRUE;
-      array_shift($arguments);
-      (empty($arguments)) ? drush_usage() : drush_show_help($arguments);
-      return TRUE;
-    }
-
-    drush_parse_command();
-  }
-
-  return _drush_dispatch_cmd();
-}
-
-/**
- * Dispatch a command if one has been found.
- */
-function _drush_dispatch_cmd() {
+function drush_dispatch($command = NULL) {
+  $command = ($command) ? $command : drush_get_command();
   $return = FALSE;
 
-  $command = drush_get_command();
-  $arguments = drush_get_arguments();
-
   if ($command) {
     // Call the callback function of the active command.
-    $return = call_user_func_array($command['callback'], $arguments);
+    $return = call_user_func_array($command['callback'], $command['arguments']);
   }
-  else {
-    // Special case: If no command is found, display usage info.
-    $return = call_user_func_array('drush_usage', $arguments);
+  
+  // prevent a '1' at the end of the output
+  if ($return === TRUE) {
+    $return = '';
   }
 
   return $return;
@@ -70,10 +47,10 @@
   static $version = FALSE;
 
   if (!$version) {
-    if (defined('DRUSH_DRUPAL_ROOT')) {
-      if (file_exists(DRUSH_DRUPAL_ROOT . '/modules/system/system.module')) {
+    if ($drupal_root = drush_get_context('DRUSH_DRUPAL_ROOT')) {
+      if (file_exists($drupal_root . '/modules/system/system.module')) {
         // We can safely include system.module as it contains defines and functions only.
-        require_once(DRUSH_DRUPAL_ROOT . '/modules/system/system.module');
+        require_once($drupal_root . '/modules/system/system.module');
         // We just might be dealing with an early Drupal version (pre 4.7)
         if (defined('VERSION')) {
           $version = VERSION;
@@ -131,11 +108,11 @@
   $args = func_get_args();
   array_shift($args); // Skip function name
 
-  if (DRUSH_VERBOSE || DRUSH_SIMULATE) {
+  if (drush_get_context('DRUSH_VERBOSE') || drush_get_context('DRUSH_SIMULATE')) {
      drush_print("Calling $function(". implode(", ", $args) .')');
   }
 
-  if (DRUSH_SIMULATE) {
+  if (drush_get_context('DRUSH_SIMULATE')) {
     return true;
   }
 
@@ -174,8 +151,10 @@
  */
 function drush_usage() {
   $commands = func_get_args();
-
-  if (drush_get_option('help') || empty($commands)) {
+  drush_set_context('DRUSH_SHOWING_HELP', TRUE);
+  
+  if (empty($commands)) {
+    $phases = _drush_bootstrap_phases(); 
     drush_print(dt('Usage: drush.php [options] <command> <command> ...'));
     drush_print();
     drush_print('Run "drush help [command]" to view command-specific help.');
@@ -188,14 +167,33 @@
     drush_print();
     drush_print('Commands: ');
 
-    $commands = drush_get_commands();
-    $rows = array();
-    foreach($commands as $key => $command) {
-      $rows[] = array($key, $commands[$key]['description']);
+    $printed_rows = array();
+    $phase_index = DRUSH_BOOTSTRAP_DRUSH;
+
+    foreach ($phases as $phase_index) {
+      if ($phase_index > drush_get_context('DRUSH_BOOTSTRAP_PHASE')) {
+        drush_bootstrap($phase_index);
+      }
+      if (!drush_get_error()) {
+        $commands = drush_get_commands();
+        $rows = array();
+        foreach($commands as $key => $command) {
+          if (!array_key_exists($key, $printed_rows)) {
+            $rows[$key] = array(sprintf("%-20s", $key), $commands[$key]['description']);
+          }
+        }
+        drush_print_table($rows, 2);
+        $printed_rows = array_merge($printed_rows, $rows);
+      }
+      else {
+        break; 
+      }
     }
-    drush_print_table($rows, 2);
     return;
   }
+  else {
+    return drush_show_help($commands);
+  }
 
   drush_set_error(DRUSH_COMMAND_NOT_FOUND, dt('Invalid command !command.', array('!command' => implode(" ", $commands))));
 }
@@ -226,45 +224,55 @@
  * Prints out the default drush help page.
  */
 function drush_show_help($commands) {
-  $commandstring = implode(" ", $commands);
+  $phases = _drush_bootstrap_phases();
 
-  if (!drush_is_command($commandstring)) {
-    return drush_set_error(DRUSH_COMMAND_NOT_FOUND, dt('Invalid command !command.', array('!command' => $commandstring)));
-  }
-  else {
-    // Get the full command array
-    $all = drush_get_commands();
-    $command = $all[$commandstring];
-  }
+  $commandstring = implode(" ", $commands);
 
-  $help = drush_command_invoke_all('drush_help', 'drush:'. $commandstring);
-  if (!empty($help)) {
-    drush_print(wordwrap(implode("\n", $help), 80));
-    drush_print();
-    
-// TODO: Just let commands define their own sections? Standardization need not be mandated?
-    $sections = array(
-      'examples' => 'Examples',
-      'arguments' => 'Arguments',
-      'options' => 'Options',
-    );
-    
-    foreach ($sections as $key => $value) {
-      if ($command[$key]) {
-        drush_print(dt($value) . ':');
-        foreach ($command[$key] as $name => $description) {
-          $rows[] = array($name, dt($description));
+  foreach ($phases as $phase_index) {
+    if ($phase_index > drush_get_context('DRUSH_BOOTSTRAP_PHASE')) {
+      drush_bootstrap($phase_index);
+    }
+    if (!drush_get_error()) {
+      $commands = drush_get_commands();
+      if (array_key_exists($commandstring, $commands)) {
+        $command = $commands[$commandstring];
+        $help = drush_command_invoke_all('drush_help', 'drush:'. $commandstring);
+        if (!empty($help)) {
+          drush_print(wordwrap(implode("\n", $help), 80));
+          drush_print();
+          
+          // TODO: Just let commands define their own sections?
+          // Standardization need not be mandated?
+          $sections = array(
+            'examples' => 'Examples',
+            'arguments' => 'Arguments',
+            'options' => 'Options',
+          );
+          
+          foreach ($sections as $key => $value) {
+            if ($command[$key]) {
+              drush_print(dt($value) . ':');
+              foreach ($command[$key] as $name => $description) {
+                $rows[] = array($name, dt($description));
+              }
+              drush_print_table($rows, 2);
+              unset($rows);
+              drush_print();
+            }
+          }
+          return TRUE;
+        }
+        else {
+          drush_print("No help available for command 'drush $commandstring'.");
+          return TRUE;
         }
-        drush_print_table($rows, 2);
-        unset($rows);
-        drush_print();
       }
     }
-
-  }
-  else {
-    drush_print("No help available for command 'drush $commandstring'.");
+    else {
+      break;
+    }
   }
+  return drush_set_error(DRUSH_COMMAND_NOT_FOUND, dt('Invalid command !command.', array('!command' => $commandstring)));
 }
 
 /**
@@ -279,11 +287,11 @@
  *   Indentation for the output (only for verbose mode).
  */
 function drush_shell_exec($cmd, $indent = 0) {
-  if (DRUSH_VERBOSE || DRUSH_SIMULATE) {
+  if (drush_get_context('DRUSH_VERBOSE') || drush_get_context('DRUSH_SIMULATE')) {
     drush_print('Executing: ' . $cmd, $indent);
   }
 
-  if (DRUSH_SIMULATE) {
+  if (drush_get_context('DRUSH_SIMULATE')) {
     return true;
   }
 
@@ -291,7 +299,7 @@
   
   _drush_shell_exec_output_set($output);
 
-  if (DRUSH_VERBOSE) {
+  if (drush_get_context('DRUSH_VERBOSE')) {
     foreach ($output as $line) {
       drush_print($line, $indent + 2);
     }
@@ -346,10 +354,10 @@
  * Returns TRUE if in verbose mode, otherwise FALSE.
  */
 function drush_verbose($msg = FALSE, $indent = 0) {
-  if (!DRUSH_VERBOSE) {
+  if (!drush_get_context('DRUSH_VERBOSE')) {
     return FALSE;
   }
-  if (DRUSH_VERBOSE && $msg === FALSE) {
+  if (drush_get_context('DRUSH_VERBOSE') && $msg === FALSE) {
     return TRUE;
   }
 
@@ -366,7 +374,7 @@
 function drush_confirm($msg, $indent = 0) {
   print str_repeat(' ', $indent) . (string)$msg . " (y/n): ";
 
-  if (DRUSH_AFFIRMATIVE) {
+  if (drush_get_context('DRUSH_AFFIRMATIVE')) {
     print "y\n";
     return TRUE;
   }
@@ -531,7 +539,7 @@
       $type_msg = sprintf($green, $entry['type']);
       break;
     default : 
-      if (!defined('DRUSH_VERBOSE')) {
+      if (!drush_get_context('DRUSH_VERBOSE')) {
         // print nothing. exit cleanly.
         return TRUE;
       }
@@ -539,8 +547,8 @@
       break;
   }
   // When running in backend mode, log messages are not displayed, as they will
-  // be returned in the JSON encoded associative array.  
-  if (DRUSH_BACKEND) {
+  // be returned in the JSON encoded associative array.
+  if (drush_get_context('DRUSH_BACKEND') || drush_get_context('DRUSH_SHOWING_HELP')) {
     return $return;
   }
   // Place the status message right aligned with the top line of the error message.
Index: includes/environment.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/drush/includes/environment.inc,v
retrieving revision 1.5
diff -u -r1.5 environment.inc
--- includes/environment.inc	20 Mar 2009 16:10:54 -0000	1.5
+++ includes/environment.inc	24 Mar 2009 01:39:09 -0000
@@ -13,6 +13,342 @@
 define('DRUSH_DRUPAL_BOOTSTRAP', 'includes/bootstrap.inc');
 
 /**
+ * @name Drush bootstrap phases
+ * @{
+ * Sequential Drush bootstrapping phases.
+ */
+
+/**
+ * Only bootstrap Drush, without any Drupal specific code.
+ *
+ * Any code that operates on the Drush installation, and not specifically
+ * any Drupal directory, should bootstrap to this phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUSH', 0);
+
+/**
+ * Set up and test for a valid drupal root, either through the -r/--root options,
+ * or evaluated based on the current working directory.
+ *
+ * Any code that interacts with an entire Drupal installation, and not a specific
+ * site on the Drupal installation should use this bootstrap phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_ROOT',  1);
+
+/**
+ * Set up a Drupal site directory and the correct environment variables to
+ * allow Drupal to find the configuration file.
+ *
+ * If no site is specified with the -l / --uri options, Drush will assume the
+ * site is 'default', which mimics Drupal's behaviour.
+ *
+ * If you want to avoid this behaviour, it is recommended that you use the
+ * DRUSH_BOOTSTRAP_DRUPAL_ROOT bootstrap phase instead.
+ *
+ * Any code that needs to modify or interact with a specific Drupal site's
+ * settings.php file should bootstrap to this phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_SITE', 2);
+
+/**
+ * Load the settings from the Drupal sites directory.
+ *
+ * This phase is analagous to the DRUPAL_BOOTSTRAP_CONFIGURATION bootstrap phase in Drupal
+ * itself, and this is also the first step where Drupal specific code is included.
+ *
+ * This phase is commonly used for code that interacts with the Drupal install API,
+ * as both install.php and update.php start at this phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_CONFIGURATION', 3);
+
+/**
+ * Connect to the Drupal database using the database credentials loaded
+ * during the previous bootstrap phase.
+ *
+ * This phase is analogous to the DRUPAL_BOOTSTRAP_DATABASE bootstrap phase in
+ * Drupal.
+ *
+ * Any code that needs to interact with the Drupal database API needs to
+ * be bootstrapped to at least this phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_DATABASE', 4);
+
+/**
+ * Fully initialize Drupal.
+ *
+ * This is the default bootstrap phase all commands will try to reach,
+ * unless otherwise specified.
+ * This is analogous to the DRUPAL_BOOTSTRAP_FULL bootstrap phase in
+ * Drupal.
+ *
+ * Any code that interacts with the general Drupal API should be
+ * bootstrapped to this phase.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_FULL', 5);
+
+/**
+ * Log in to the initialiased Drupal site.
+ *
+ * This bootstrap phase is used after the site has been
+ * fully bootstrapped.
+ *
+ * This phase will log you in to the drupal site with the username
+ * or user ID specified by the --user/ -u option.
+ *
+ * Use this bootstrap phase for your command if you need to have access
+ * to information for a specific user, such as listing nodes that might
+ * be different based on who is logged in.
+ */
+define('DRUSH_BOOTSTRAP_DRUPAL_LOGIN', 6);
+
+
+/**
+ * Helper function listing phases.
+ *
+ * For commands that need to iterate through the phases, such as help
+ */
+function _drush_bootstrap_phases() {
+  static $phases = array(
+    DRUSH_BOOTSTRAP_DRUSH, DRUSH_BOOTSTRAP_DRUPAL_ROOT, 
+    DRUSH_BOOTSTRAP_DRUPAL_SITE, DRUSH_BOOTSTRAP_DRUPAL_CONFIGURATION,
+    DRUSH_BOOTSTRAP_DRUPAL_DATABASE, DRUSH_BOOTSTRAP_DRUPAL_FULL,
+    DRUSH_BOOTSTRAP_DRUPAL_LOGIN,
+  );
+
+  return $phases;
+}
+
+/**
+ * @} End of Drush bootstrap phases.
+ */
+
+/**
+ * Bootstrap Drush to the desired phase.
+ *
+ * This function will sequentially bootstrap each
+ * lower phase up to the phase that has been requested.
+ *
+ * @param phase
+ *   The bootstrap phase to bootstrap to.
+ *   Any of the following constants :
+ *     DRUSH_BOOTSTRAP_DRUSH                = Only Drush.
+ *     DRUSH_BOOTSTRAP_DRUPAL_ROOT          = Find a valid Drupal root.
+ *     DRUSH_BOOTSTRAP_DRUPAL_SITE          = Find a valid Drupal site.
+ *     DRUSH_BOOTSTRAP_DRUPAL_CONFIGURATION = Load the site's settings.
+ *     DRUSH_BOOTSTRAP_DRUPAL_DATABASE      = Initialize the database.
+ *     DRUSH_BOOTSTRAP_DRUPAL_FULL          = Initialize Drupal fully.
+ *     DRUSH_BOOTSTRAP_DRUPAL_LOGIN         = Log into Drupal with a valid user.
+ */
+
+function drush_bootstrap($phase) {
+  static $phases = array(
+    DRUSH_BOOTSTRAP_DRUSH                  => '_drush_bootstrap_drush',
+    DRUSH_BOOTSTRAP_DRUPAL_ROOT            => '_drush_bootstrap_drupal_root', 
+    DRUSH_BOOTSTRAP_DRUPAL_SITE            => '_drush_bootstrap_drupal_site',
+    DRUSH_BOOTSTRAP_DRUPAL_CONFIGURATION   => '_drush_bootstrap_drupal_configuration',
+    DRUSH_BOOTSTRAP_DRUPAL_DATABASE        => '_drush_bootstrap_drupal_database',
+    DRUSH_BOOTSTRAP_DRUPAL_FULL            => '_drush_bootstrap_drupal_full',
+    DRUSH_BOOTSTRAP_DRUPAL_LOGIN           => '_drush_bootstrap_drupal_login');
+
+  static $phase_index = 0;
+
+  drush_set_context('DRUSH_BOOTSTRAPPING', TRUE);
+  while ($phase >= $phase_index && isset($phases[$phase_index])) { 
+    drush_set_context('DRUSH_BOOTSTRAP_PHASE', $phase_index);
+    $current_phase = $phases[$phase_index];
+    if (function_exists($current_phase) && !drush_get_error()) {
+      ob_start();
+      $current_phase();
+      ob_end_clean();
+
+      if ($phase >= DRUSH_DRUPAL_BOOTSTRAP_FULL) {
+        // We have enough of the system bootstrapped now to 
+        // capture and integrate and drupal messages.
+        _drush_log_drupal_messages();
+      }
+    }
+    unset($phases[$phase_index++]);
+  }
+  drush_set_context('DRUSH_BOOSTRAPPING', FALSE);
+}
+
+/**
+ * Initial Drush bootstrap phase.
+ *
+ * During the initialization of Drush,
+ * this is the first step where all we are
+ * aware of is Drush itself.
+ *
+ * In this step we will register the shutdown function,
+ * parse the command line arguments and store them in their
+ * related contexts.
+ *
+ * Configuration files (drushrc.php) that are 
+ *   a) Specified on the command line
+ *   b) Stored in the root directory of drush.php
+ *   c) Stored in the home directory of the system user.
+ * 
+ * Additionally the DRUSH_QUIET and DRUSH_BACKEND contexts,
+ * will be evaluated now, as they need to be set very early in
+ * the execution flow to be able to take affect/
+ */ 
+function _drush_bootstrap_drush() {
+  // The bootstrap can fail silently, so we catch that in a shutdown function.
+  register_shutdown_function('drush_shutdown');
+
+  // parse the command line arguments.
+  drush_parse_args();
+
+  // Load a custom config specified with the --config option.
+  drush_load_config('custom'); 
+
+  // Load a drushrc.php file in the drush.php's directory.
+  drush_load_config('drush');
+
+  // Load a drushrc.php file in the ~/.drush directory.
+  drush_load_config('user');
+
+  $backend = drush_set_context('DRUSH_BACKEND', drush_get_option(array('b', 'backend')));
+
+  if ($backend) {
+    // Load options passed as a JSON encoded string through STDIN.
+    $stdin_options = _drush_backend_get_stdin();
+    if (is_array($stdin_options)) {
+      drush_set_context('stdin', $stdin_options);
+    }
+  }
+  $quiet = drush_set_context('DRUSH_QUIET', drush_get_option(array('q', 'quiet')));
+
+  // When running in backend mode, all output is buffered, and returned
+  // as a property of a JSON encoded associative array.
+  if ($backend || $quiet) {
+    ob_start();
+  }
+
+  drush_set_context('DRUSH_VERBOSE',     drush_get_option(array('v', 'verbose'), FALSE));
+  drush_set_context('DRUSH_AFFIRMATIVE', drush_get_option(array('y', 'yes'), FALSE));
+  drush_set_context('DRUSH_SIMULATE',    drush_get_option(array('s', 'simulate'), FALSE));
+
+  // Find any command files that are available during this bootstrap phase.
+  _drush_find_commandfiles(DRUSH_BOOTSTRAP_DRUSH);
+}
+
+/**
+ * Bootstrap Drush with a valid Drupal Directory.
+ *
+ * In this function, the pwd will be moved to the root
+ * of the Drupal installation.
+ *
+ * We also now load the drushrc.php for this specific platform.
+ * We can now include files from the Drupal Tree, and figure
+ * out more context about the platform, such as the version of Drupal.
+ */
+function _drush_bootstrap_drupal_root() {
+  $drupal_root = drush_get_option(array('r', 'root'), drush_locate_root());
+
+  if (!drush_valid_drupal_root($drupal_root)) {
+    drush_set_error('DRUSH_INVALID_DRUPAL_ROOT', dt("The directory !drupal_root does not contain a valid Drupal installation", array('!drupal_root' => $drupal_root)));
+  }
+  else {
+    drush_set_context('DRUSH_DRUPAL_ROOT', $drupal_root);
+    chdir($drupal_root);
+    
+    define('DRUPAL_ROOT', $drupal_root);
+    
+    drush_load_config('drupal');
+
+    require_once(DRUSH_DRUPAL_BOOTSTRAP);
+
+    $version = drush_set_context('DRUSH_DRUPAL_VERSION', drush_drupal_version());
+    $major_version = drush_set_context('DRUSH_DRUPAL_MAJOR_VERSION', drush_drupal_major_version());
+
+    drush_log(dt("Initialized Drupal !version root directory at !drupal_root", array("!version" => $version, '!drupal_root' => $drupal_root)));
+  }
+}
+
+/**
+ * Initialize a site on the Drupal root.
+ *
+ * We will now check if we have a valid site that is specified for
+ * this command.
+ *
+ * Sets up various constants and $_SERVER entries used by
+ * Drupal, essentially mimicking a webserver environment.
+ */
+function _drush_bootstrap_drupal_site() {
+  $drush_uri = drush_set_context('DRUSH_URI', 
+      drush_get_option(array('l', 'uri'), drush_site_uri()));
+
+  // Fake the necessary HTTP headers that Drupal needs:
+  if ($drush_uri) {
+    $drupal_base_url = parse_url($drush_uri);
+    $_SERVER['HTTP_HOST'] = $drupal_base_url['host'];
+    $_SERVER['PHP_SELF'] = $drupal_base_url['path'] . '/index.php';
+  }
+  else {
+    $_SERVER['HTTP_HOST'] = 'default';
+    $_SERVER['PHP_SELF'] = '/index.php';
+  }
+
+  $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] = $_SERVER['PHP_SELF'];
+  $_SERVER['REMOTE_ADDR'] = '127.0.0.1';
+  $_SERVER['REQUEST_METHOD']  = NULL;
+  $_SERVER['SERVER_SOFTWARE'] = NULL;
+  $_SERVER['HTTP_USER_AGENT'] = NULL;
+
+  $site = drush_set_context('DRUSH_DRUPAL_SITE', $_SERVER['HTTP_HOST']);
+  if (($conf_path = conf_path()) && !file_exists("./$conf_path/settings.php")) {
+    drush_set_error(DRUPAL_SITE_SETTINGS_NOT_FOUND);
+  }
+  else {
+    drush_set_context('DRUSH_DRUPAL_SITE_ROOT', $conf_path);
+
+    drush_log(dt("Initialized Drupal site !site at !site_root", array('!site' => $site, '!site_root' => $conf_path)));
+  }
+}
+
+/**
+ * Initialize and load the Drupal configuration files.
+ */
+function _drush_bootstrap_drupal_configuration() {
+  drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
+}
+
+/**
+ * Attempt to load the drupal database connection.
+ */
+function _drush_bootstrap_drupal_database() {
+  drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
+}
+
+/**
+ * Attempt to load the full Drupal system
+ */
+function _drush_bootstrap_drupal_full() {
+  drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
+  
+  // Find any command files that are available during this bootstrap phase.
+  _drush_find_commandfiles(DRUSH_BOOTSTRAP_DRUPAL_FULL);
+
+}
+
+/**
+ * Log into the bootstrapped Drupal site with a specific
+ * username or user id.
+ */
+function _drush_bootstrap_drupal_login() {
+  $drush_user = drush_set_context('DRUSH_USER', drush_get_option(array('u', 'user'), 0));
+
+  if (!drush_drupal_login($drush_user)) {
+    exit(); 
+  }
+}
+
+
+
+
+
+/**
  * Returns the current working directory.
  *
  * TODO: Could cache result, but it isn't really expensive.
? drush_pm/.svn
? drush_sql/.svn
? drush_tools/.svn