Few minor fixes

package.json

@@ -108,7 +108,7 @@
     "@vscode/proxy-agent": "^0.19.0",
     "@vscode/ripgrep": "^1.15.9",
     "@vscode/spdlog": "^0.15.0",
-    "@vscode/vscode-languagedetection": "1.0.21",
+    "@vscode/vscode-languagedetection": "npm:@codingame/vscode-languagedetection@1.0.23",
     "@vscode/windows-process-tree": "^0.6.0",
     "@vscode/windows-registry": "^1.1.0",
     "@xterm/addon-canvas": "0.7.0-beta.12",

src/service-override/files.ts

@@ -324,7 +324,7 @@ class OverlayFileSystemProvider implements IFileSystemProviderWithFileReadWriteC
     throw firstError
   }
 
-  private async writeToDelegates (resource: URI, caller: (delegate: IFileSystemProviderWithFileReadWriteCapability) => Promise<void>): Promise<void> {
+  private async writeToDelegates (caller: (delegate: IFileSystemProviderWithFileReadWriteCapability) => Promise<void>): Promise<void> {
     for (const provider of this.delegates) {
       if ((provider.capabilities & FileSystemProviderCapabilities.Readonly) > 0) {
         continue
@@ -378,29 +378,30 @@ class OverlayFileSystemProvider implements IFileSystemProviderWithFileReadWriteC
   }
 
   async writeFile (resource: URI, content: Uint8Array, opts: IFileWriteOptions): Promise<void> {
-    await this.writeToDelegates(resource, async delegate => {
+    await this.writeToDelegates(async delegate => {
+      let stats: IStat | undefined
       try {
-        const stats = await delegate.stat(resource)
-        if (((stats.permissions ?? 0) & FilePermission.Readonly) > 0) {
-          throw createFileSystemProviderError('Not allowed', FileSystemProviderErrorCode.NoPermissions)
-        }
+        stats = await delegate.stat(resource)
       } catch (err) {
         // ignore
       }
+      if (stats != null && ((stats.permissions ?? 0) & FilePermission.Readonly) > 0) {
+        throw createFileSystemProviderError('Not allowed', FileSystemProviderErrorCode.NoPermissions)
+      }
       return delegate.writeFile(resource, content, opts)
     })
   }
 
   async mkdir (resource: URI): Promise<void> {
-    await this.writeToDelegates(resource, delegate => delegate.mkdir(resource))
+    await this.writeToDelegates(delegate => delegate.mkdir(resource))
   }
 
   async delete (resource: URI, opts: IFileDeleteOptions): Promise<void> {
-    await this.writeToDelegates(resource, delegate => delegate.delete(resource, opts))
+    await this.writeToDelegates(delegate => delegate.delete(resource, opts))
   }
 
   async rename (from: URI, to: URI, opts: IFileOverwriteOptions): Promise<void> {
-    await this.writeToDelegates(from, delegate => delegate.rename(from, to, opts))
+    await this.writeToDelegates(delegate => delegate.rename(from, to, opts))
   }
 }