Merge master

diff --cc lib/private/Files/Node/Folder.php
index b0df1c9129383d4ffb4e963440f57322173fddbf,fb3c78bb8017355b32731cbbaf140958090475a3..f09faf78288e78c29234000f7d7e9b1ef5874473
--- 1/lib/private/Files/Node/Folder.php
--- 2/lib/private/Files/Node/Folder.php
+++ b/lib/private/Files/Node/Folder.php
@@@ -162,9 -162,10 +163,10 @@@ class Folder extends Node implements \O
                        $nonExisting = new NonExistingFolder($this->root, $this->view, $fullPath);
                        $this->sendHooks(['preWrite', 'preCreate'], [$nonExisting]);
                        if (!$this->view->mkdir($fullPath)) {
 -                              throw new NotPermittedException('Could not create folder');
 +                              throw new NotPermittedException('Could not create folder "' . $fullPath . '"');
                        }
-                       $node = new Folder($this->root, $this->view, $fullPath);
+                       $parent = dirname($fullPath) === $this->getPath() ? $this : null;
+                       $node = new Folder($this->root, $this->view, $fullPath, null, $parent);
                        $this->sendHooks(['postWrite', 'postCreate'], [$node]);
                        return $node;
                } else {
@@@ -192,9 -193,9 +194,9 @@@
                                $result = $this->view->touch($fullPath);
                        }
                        if ($result === false) {
 -                              throw new NotPermittedException('Could not create path');
 +                              throw new NotPermittedException('Could not create path "' . $fullPath . '"');
                        }
-                       $node = new File($this->root, $this->view, $fullPath);
+                       $node = new File($this->root, $this->view, $fullPath, null, $this);
                        $this->sendHooks(['postWrite', 'postCreate'], [$node]);
                        return $node;
                }
@@@ -389,9 -390,8 +391,8 @@@
                        $this->view->rmdir($this->path);
                        $nonExisting = new NonExistingFolder($this->root, $this->view, $this->path, $fileInfo);
                        $this->sendHooks(['postDelete'], [$nonExisting]);
-                       $this->exists = false;
                } else {
 -                      throw new NotPermittedException('No delete permission for path');
 +                      throw new NotPermittedException('No delete permission for path "' . $this->path . '"');
                }
        }