Use error output as TaskExitException message

src/Common/ExecCommand.php

@@ -146,7 +146,8 @@ protected function executeCommand($command)
             $this,
             $result_data->getExitCode(),
             $result_data->getMessage(),
-            $result_data->getData()
+            $result_data->getData(),
+            $result_data->getErrorOutput()
         );
     }
 }

src/Common/ExecTrait.php

@@ -398,7 +398,8 @@ protected function execute($process, $output_callback = null)
             return new ResultData(
                 $this->process->getExitCode(),
                 $this->process->getOutput(),
-                $this->getResultData()
+                $this->getResultData(),
+                $this->process->getErrorOutput(),
             );
         }
 
@@ -408,7 +409,8 @@ protected function execute($process, $output_callback = null)
             return new ResultData(
                 $this->process->getExitCode(),
                 $e->getMessage(),
-                $this->getResultData()
+                $this->getResultData(),
+                $this->process->getErrorOutput(),
             );
         }
         return new ResultData($this->process->getExitCode());

src/Result.php

@@ -31,10 +31,11 @@ class Result extends ResultData implements OutputAwareInterface, InflectionInter
      * @param int $exitCode
      * @param string $message
      * @param array $data
+     * @param string $errorOutput
      */
-    public function __construct(TaskInterface $task, $exitCode, $message = '', $data = [])
+    public function __construct(TaskInterface $task, $exitCode, $message = '', $data = [], $errorOutput = '')
     {
-        parent::__construct($exitCode, $message, $data);
+        parent::__construct($exitCode, $message, $data, $errorOutput);
         $this->task = $task;
         $this->inflect($task);
         $this->printResult();
@@ -292,6 +293,6 @@ public function injectDependencies($child)
      */
     private function exitEarly($status)
     {
-        throw new TaskExitException($this->getTask(), $this->getMessage(), $status);
+        throw new TaskExitException($this->getTask(), $this->getErrorOutput(), $status);
     }
 }

src/ResultData.php

@@ -13,6 +13,11 @@ class ResultData extends Data implements ExitCodeInterface, OutputDataInterface
      */
     protected $exitCode;
 
+    /**
+     * @var string
+     */
+    protected $errorOutput;
+
     const EXITCODE_OK = 0;
     const EXITCODE_ERROR = 1;
     /** Symfony Console handles these conditions; Robo returns the status
@@ -30,10 +35,12 @@ class ResultData extends Data implements ExitCodeInterface, OutputDataInterface
      * @param int $exitCode
      * @param string $message
      * @param array $data
+     * @param string $errorOutput
      */
-    public function __construct($exitCode = self::EXITCODE_OK, $message = '', $data = [])
+    public function __construct($exitCode = self::EXITCODE_OK, $message = '', $data = [], $errorOutput = '')
     {
         $this->exitCode = $exitCode;
+        $this->errorOutput = $errorOutput;
         parent::__construct($message, $data);
     }
 
@@ -108,4 +115,12 @@ public function wasCancelled()
     {
         return $this->exitCode == self::EXITCODE_USER_CANCEL;
     }
+
+    /**
+     * @return string
+     */
+    public function getErrorOutput()
+    {
+        return $this->errorOutput;
+    }
 }