Copy mount options to the storage

lib/private/files/mount/mountpoint.php

@@ -195,7 +195,7 @@ class MountPoint implements IMountPoint {
 		$storage = $this->getStorage();
 		// storage can be null if it couldn't be initialized
 		if ($storage != null) {
-			$this->storage = $wrapper($this->mountPoint, $storage);
+			$this->storage = $wrapper($this->mountPoint, $storage, $this);
 		}
 	}
 

lib/private/files/storage/common.php

@@ -34,6 +34,8 @@ abstract class Common implements \OC\Files\Storage\Storage {
 	protected $watcher;
 	protected $storageCache;
 
+	protected $mountOptions = [];
+
 	/**
 	 * @var string[]
 	 */
@@ -512,4 +514,20 @@ abstract class Common implements \OC\Files\Storage\Storage {
 			throw new InvalidCharacterInPathException();
 		}
 	}
+	
+	/**
+	 * @param array $options
+	 */
+	public function setMountOptions(array $options) {
+		$this->mountOptions = $options;
+	}
+
+	/**
+	 * @param string $name
+	 * @param mixed $default
+	 * @return mixed
+	 */
+	public function getMountOption($name, $default = null) {
+		return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
+	}
 }

lib/private/util.php

@@ -98,6 +98,14 @@ class OC_Util {
 			return false;
 		}
 
+		\OC\Files\Filesystem::addStorageWrapper('mount_options', function($mountPoint, \OCP\Files\Storage $storage, \OCP\Files\Mount\IMountPoint $mount) {
+			if($storage->instanceOfStorage('\OC\Files\Storage\Common')) {
+				/** @var \OC\Files\Storage\Common $storage */
+				$storage->setMountOptions($mount->getOptions());
+			}
+			return $storage;
+		});
+
 		//if we aren't logged in, there is no use to set up the filesystem
 		if ($user != "") {
 			\OC\Files\Filesystem::addStorageWrapper('oc_quota', function ($mountPoint, $storage) {

tests/lib/files/view.php

@@ -8,6 +8,8 @@
 namespace Test\Files;
 
 use OC\Files\Cache\Watcher;
+use OC\Files\Filesystem;
+use OC\Files\Mount\MountPoint;
 use OC\Files\Storage\Temporary;
 
 class TemporaryNoTouch extends \OC\Files\Storage\Temporary {
@@ -975,4 +977,12 @@ class View extends \Test\TestCase {
 		$view = new \OC\Files\View('');
 		$this->assertTrue($view->rename('/test/foo.txt', '/test/foo/bar.txt'));
 	}
+
+	public function testSetMountOptionsInStorage() {
+		$mount = new MountPoint('\OC\Files\Storage\Temporary', '/asd/', [[]], Filesystem::getLoader(), ['foo' => 'bar']);
+		Filesystem::getMountManager()->addMount($mount);
+		/** @var \OC\Files\Storage\Common $storage */
+		$storage = $mount->getStorage();
+		$this->assertEquals($storage->getMountOption('foo'), 'bar');
+	}
 }