make sure that we emit the hooks if a file gets moved from a subfolder to the root folder with the nodes API

lib/private/files/view.php

@@ -642,10 +642,10 @@ class View {
 			}
 
 			$run = true;
-			if ($this->shouldEmitHooks() && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
+			if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
 				// if it was a rename from a part file to a regular file it was a write and not a rename operation
 				$this->emit_file_hooks_pre($exists, $path2, $run);
-			} elseif ($this->shouldEmitHooks()) {
+			} elseif ($this->shouldEmitHooks($path1)) {
 				\OC_Hook::emit(
 					Filesystem::CLASSNAME, Filesystem::signal_rename,
 					array(
@@ -1087,6 +1087,11 @@ class View {
 			return true;
 		}
 		$fullPath = $this->getAbsolutePath($path);
+
+		if ($fullPath === $defaultRoot) {
+			return true;
+		}
+
 		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
 	}
 

tests/lib/files/view.php

@@ -1329,7 +1329,9 @@ class View extends \Test\TestCase {
 			['/foo/files/bar', '/foo', true],
 			['/foo', '/foo', false],
 			['/foo', '/files/foo', true],
-			['/foo', 'filesfoo', false]
+			['/foo', 'filesfoo', false],
+			['', '/foo/files', true],
+			['', '/foo/files/bar.txt', true]
 		];
 	}