From f71065d116172550f2ebd99ce3fe77ffcaf37b31 Mon Sep 17 00:00:00 2001
From: Shulhan <ms@kilabit.info>
Date: Tue, 21 Nov 2023 20:35:38 +0700
Subject: lib/memfs: check for file not exist in scanDir and updateDir

Another error for handling fs.ErrNotExist when scanning directory
which is may caused by broken symlink.
---
 lib/memfs/memfs.go | 3 +++
 lib/memfs/node.go  | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/lib/memfs/memfs.go b/lib/memfs/memfs.go
index f75fe95d..a40b7ee1 100644
--- a/lib/memfs/memfs.go
+++ b/lib/memfs/memfs.go
@@ -605,6 +605,9 @@ func (mfs *MemFS) scanDir(node *Node) (n int, err error) {
 	for _, fi = range fis {
 		child, err = mfs.AddChild(node, fi)
 		if err != nil {
+			if errors.Is(err, fs.ErrNotExist) {
+				continue
+			}
 			err = fmt.Errorf(`%s %q: %w`, logp, node.SysPath, err)
 			goto out
 		}
diff --git a/lib/memfs/node.go b/lib/memfs/node.go
index ffcf371d..4bb7a498 100644
--- a/lib/memfs/node.go
+++ b/lib/memfs/node.go
@@ -10,6 +10,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/fs"
 	"mime"
 	"net/http"
 	"os"
@@ -610,6 +611,10 @@ func (node *Node) updateDir(maxFileSize int64) (err error) {
 					// Ignore error due to permission.
 					continue
 				}
+				if errors.Is(err, fs.ErrNotExist) {
+					// File exist but a broken symlink.
+					continue
+				}
 				return err
 			}
 
-- 
cgit v1.3