From c22d3183a46b28aeb5eba3447533c0877d502780 Mon Sep 17 00:00:00 2001
From: William Stein <wstein@sagemath.com>
Date: Thu, 16 Nov 2023 03:35:05 +0000
Subject: [PATCH] properly exclude hidden top level files

---
 websocketfs/lib/metadata-file.ts | 5 ++++-
 websocketfs/lib/sftp-fuse.ts     | 6 +++---
 websocketfs/package.json         | 2 +-
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/websocketfs/lib/metadata-file.ts b/websocketfs/lib/metadata-file.ts
index 13997bd..185f10f 100644
--- a/websocketfs/lib/metadata-file.ts
+++ b/websocketfs/lib/metadata-file.ts
@@ -117,7 +117,10 @@ export class MetadataFile {
   };
 
   private cacheAttrs = (i: number) => {
-    const v = this.metadataFileContents[i].split("\0");
+    const v = this.metadataFileContents[i]?.split("\0");
+    if (v == null || v.length <= 1) {
+      return { errno: -2 };
+    }
     const data = v[1].split(" ");
     const mtime = new Date(parseFloat(data[0]) * 1000);
     const attr = {
diff --git a/websocketfs/lib/sftp-fuse.ts b/websocketfs/lib/sftp-fuse.ts
index 55ec5e9..02cdaeb 100644
--- a/websocketfs/lib/sftp-fuse.ts
+++ b/websocketfs/lib/sftp-fuse.ts
@@ -267,7 +267,7 @@ export default class SftpFuse {
       cb(errno ?? 0, attr);
       return;
     }
-    if (this.meta?.isReady()) {
+    if (!path.startsWith("/.") && this.meta?.isReady()) {
       const { errno, attr } = this.meta.getattr(path);
       cb(errno ?? 0, attr);
       return;
@@ -298,7 +298,7 @@ export default class SftpFuse {
       cb(errno ?? 0, attr);
       return;
     }
-    if (this.meta?.isReady()) {
+    if (!path.startsWith("/.") && this.meta?.isReady()) {
       const { errno, attr } = this.meta.getattr(path);
       cb(errno ?? 0, attr);
       return;
@@ -394,7 +394,7 @@ export default class SftpFuse {
       cb(0, this.dirCache.get(path));
       return;
     }
-    if (this.meta?.isReady() && !path.startsWith(".")) {
+    if (!path.startsWith("/.") && this.meta?.isReady()) {
       try {
         cb(0, this.meta.readdir(path));
       } catch (err) {
diff --git a/websocketfs/package.json b/websocketfs/package.json
index f510c6a..867a192 100644
--- a/websocketfs/package.json
+++ b/websocketfs/package.json
@@ -1,6 +1,6 @@
 {
   "name": "websocketfs",
-  "version": "0.12.2",
+  "version": "0.12.4",
   "description": "Like sshfs, but over a WebSocket",
   "main": "./dist/lib/index.js",
   "scripts": {