Allow parameter configuration on the Task configuration definition.

Mage/Command/BuiltIn/Deploy.php

@@ -57,9 +57,9 @@ class Mage_Command_BuiltIn_Deploy
                     Mage_Console::output('Deployment to <dark_gray>' . $config->getHost() . '</dark_gray> skipped!', 1, 3);
 
                 } else {
-                    foreach ($tasksToRun as $taskName) {
+                    foreach ($tasksToRun as $taskData) {
                         $tasks++;
-                        $task = Mage_Task_Factory::get($taskName, $this->getConfig(), false, 'deploy');
+                        $task = Mage_Task_Factory::get($taskData, $this->getConfig(), false, 'deploy');
                         $task->init();
 
                         $runTask = true;
@@ -141,9 +141,9 @@ class Mage_Command_BuiltIn_Deploy
             $tasks = 0;
             $completedTasks = 0;
 
-            foreach ($tasksToRun as $taskName) {
+            foreach ($tasksToRun as $taskData) {
                 $tasks++;
-                $task = Mage_Task_Factory::get($taskName, $config, false, $stage);
+                $task = Mage_Task_Factory::get($taskData, $config, false, $stage);
                 $task->init();
 
                 Mage_Console::output('Running <purple>' . $task->getName() . '</purple> ... ', 2, 0);

Mage/Config.php

@@ -57,10 +57,12 @@ class Mage_Config
      * @param string $name
      * @return mixed
      */
-    public function getParameter($name, $default = null)
+    public function getParameter($name, $default = null, $extraParameters = array())
     {
         if (isset($this->_parameters[$name])) {
             return $this->_parameters[$name];
+        } else if (isset($extraParameters[$name])) {
+            return $extraParameters[$name];
         } else {
             return $default;
         }
@@ -107,7 +109,18 @@ class Mage_Config
         $tasks = array();
         $config = $this->_getEnvironmentOption('tasks', array());
         if (isset($config[$stage])) {
-            $tasks = ($config[$stage] ? (array) $config[$stage] : array());
+            $tasksData = ($config[$stage] ? (array) $config[$stage] : array());
+            foreach ($tasksData as $taskName => $taskData) {
+                if (is_array($taskData)) {
+                    ;
+                    $tasks[] = array(
+                        'name' => key($taskData),
+                        'parameters' => current($taskData),
+                    );
+                } else {
+                    $tasks[] = $taskData;
+                }
+            }
         }
 
         return $tasks;
@@ -317,8 +330,14 @@ class Mage_Config
                 if (count($optionValue) == 1) {
                     $this->_parameters[$optionValue[0]] = true;
                 } else if (count($optionValue) == 2) {
+                    if (strtolower($optionValue[1]) == 'true') {
+                        $this->_parameters[$optionValue[0]] = true;
+                    } else if (strtolower($optionValue[1]) == 'false') {
+                        $this->_parameters[$optionValue[0]] = false;
+                    } else {
                         $this->_parameters[$optionValue[0]] = $optionValue[1];
                     }
+                }
             } else {
                 $this->_arguments[] = $argument;
             }

Mage/Task/BuiltIn/Releases/Rollback.php

@@ -73,8 +73,8 @@ class Mage_Task_BuiltIn_Releases_Rollback
                         Mage_Console::output('Deployment to <dark_gray>' . $this->getConfig()->getHost() . '</dark_gray> skipped!', 1, 3);
 
                     } else {
-                        foreach ($tasksToRun as $taskName) {
-                            $task = Mage_Task_Factory::get($taskName, $this->getConfig(), true, 'deploy');
+                        foreach ($tasksToRun as $taskData) {
+                            $task = Mage_Task_Factory::get($taskData, $this->getConfig(), true, 'deploy');
                             $task->init();
                             Mage_Console::output('Running <purple>' . $task->getName() . '</purple> ... ', 2, false);
 

Mage/Task/Factory.php

@@ -4,12 +4,20 @@ class Mage_Task_Factory
     /**
      *
      *
-     * @param string $taskName
+     * @param string|array $taskData
      * @param boolean $inRollback
      * @return Mage_Task_TaskAbstract
      */
-    public static function get($taskName, Mage_Config $taskConfig, $inRollback = false, $stage = null)
+    public static function get($taskData, Mage_Config $taskConfig, $inRollback = false, $stage = null)
     {
+        if (is_array($taskData)) {
+            $taskName = $taskData['name'];
+            $taskParameters = $taskData['parameters'];
+        } else {
+            $taskName = $taskData;
+            $taskParameters = array();
+        }
+
         $instance = null;
         $taskName = ucwords(str_replace('-', ' ', $taskName));
         $taskName = str_replace(' ', '', $taskName);
@@ -17,12 +25,12 @@ class Mage_Task_Factory
         if (strpos($taskName, '/') === false) {
             Mage_Autoload::loadUserTask($taskName);
             $className = 'Task_' . ucfirst($taskName);
-            $instance = new $className($taskConfig, $inRollback, $stage);
+            $instance = new $className($taskConfig, $inRollback, $stage, $taskParameters);
 
         } else {
             $taskName = str_replace(' ', '_', ucwords(str_replace('/', ' ', $taskName)));
             $className = 'Mage_Task_BuiltIn_' . $taskName;
-            $instance = new $className($taskConfig, $inRollback, $stage);
+            $instance = new $className($taskConfig, $inRollback, $stage, $taskParameters);
         }
 
         assert($instance instanceOf Mage_Task_TaskAbstract);

Mage/Task/TaskAbstract.php

@@ -4,16 +4,18 @@ abstract class Mage_Task_TaskAbstract
     protected $_config = null;
     protected $_inRollback = false;
     protected $_stage = null;
+    protected $_parameters = array();
 
     public abstract function getName();
 
     public abstract function run();
 
-    public final function __construct(Mage_Config $config, $inRollback = false, $stage = null)
+    public final function __construct(Mage_Config $config, $inRollback = false, $stage = null, $parameters = array())
     {
         $this->_config = $config;
         $this->_inRollback = $inRollback;
         $this->_stage = $stage;
+        $this->_parameters = $parameters;
     }
 
     public function inRollback()
@@ -35,6 +37,17 @@ abstract class Mage_Task_TaskAbstract
     {
     }
 
+    /**
+     * Return the a parameter
+     *
+     * @param string $name
+     * @return mixed
+     */
+    public function getParameter($name, $default = null)
+    {
+        return $this->getConfig()->getParameter($name, $default, $this->_parameters);
+    }
+
     protected final function _runLocalCommand($command, &$output = null)
     {
         return Mage_Console::executeCommand($command, $output);

docs/example-config/.mage/config/environment/staging.yml

@@ -17,5 +17,8 @@ tasks:
     - privileges
     - sampleTask
     - sampleTaskRollbackAware
+    - taskWithParameters:
+        booleanOption: true
+    - taskWithParameters
   #post-release
   #post-deploy:

docs/example-config/.mage/tasks/TaskWithParameters.php

@@ -0,0 +1,20 @@
+<?php
+class Task_TaskWithParameters
+    extends Mage_Task_TaskAbstract
+{
+    public function getName()
+    {
+        $booleanOption = $this->getParameter('booleanOption', false);
+        if ($booleanOption) {
+            return 'A Sample Task With Parameters [booleanOption=true]';
+        } else {
+            return 'A Sample Task With Parameters [booleanOption=false]';
+        }
+
+    }
+
+    public function run()
+    {
+        return true;
+    }
+}