Fix ConsoleErrorHandler not exiting properly.

Implement a _stop() method that allows console exceptions to exit with
a non 0 code to indicate failure.

lib/Cake/Console/ConsoleErrorHandler.php

@@ -94,4 +94,13 @@ protected function _displayError($error, $debug) {
 		$this->_stderr->write($message);
 	}
 
+/**
+ * Stop the execution and set the exit code for the process.
+ *
+ * @param integer $code The exit code.
+ */
+	protected function _stop($code) {
+		exit($code);
+	}
+
 }

lib/Cake/Error/BaseErrorHandler.php

@@ -107,6 +107,19 @@ public function handleError($code, $description, $file = null, $line = null, $co
 	public function handleException($exception) {
 		$this->_displayException($exception);
 		$this->_logException($exception);
+		$this->_stop($exception->getCode() ?: 1);
+	}
+
+/**
+ * Stop the process.
+ *
+ * Implemented in subclasses that need it.
+ *
+ * @param integer $code Exit code.
+ * @return void
+ */
+	protected function _stop($code) {
+		// Do nothing.
 	}
 
 /**

lib/Cake/Error/ExceptionRenderer.php

@@ -25,6 +25,7 @@
 use Cake\Network\Response;
 use Cake\Routing\Router;
 use Cake\Utility\Inflector;
+use Cake\View\View;
 
 /**
  * Exception Renderer.

lib/Cake/Test/TestCase/Console/ConsoleErrorHandlerTest.php

@@ -33,7 +33,7 @@ class ConsoleErrorHandlerTest extends TestCase {
 	public function setUp() {
 		parent::setUp();
 		$this->stderr = $this->getMock('Cake\Console\ConsoleOutput', [], [], '', false);
-		$this->Error = new ConsoleErrorHandler(['stderr' => $this->stderr]);
+		$this->Error = $this->getMock('Cake\Console\ConsoleErrorHandler', ['_stop'], [['stderr' => $this->stderr]]);
 	}
 
 /**
@@ -55,6 +55,8 @@ public function testHandleError() {
 		$content = "<error>Notice Error:</error> This is a notice error in [/some/file, line 275]\n";
 		$this->stderr->expects($this->once())->method('write')
 			->with($content);
+		$this->Error->expects($this->never())
+			->method('_stop');
 
 		$this->Error->handleError(E_NOTICE, 'This is a notice error', '/some/file', 275);
 	}
@@ -84,6 +86,9 @@ public function testCakeErrors() {
 		$this->stderr->expects($this->once())->method('write')
 			->with($this->stringContains($message));
 
+		$this->Error->expects($this->once())
+			->method('_stop');
+
 		$this->Error->handleException($exception);
 	}