fix: cannot delete the model with operation not permitted (#902)

Fixes #730

Signed-off-by: Jeff MAURY <[email protected]>

Author: jeffmaury

packages/backend/src/utils/downloader.ts

@@ -87,10 +87,6 @@ export class Downloader {
   private followRedirects(url: string, callback: (message: { ok?: boolean; error?: string }) => void): void {
     const tmpFile = `${this.target}.tmp`;
 
-    const stream = createWriteStream(tmpFile, {
-      signal: this.abortSignal,
-    });
-
     let totalFileSize = 0;
     let progress = 0;
     let previousProgressValue = -1;
@@ -106,6 +102,10 @@ export class Downloader {
         totalFileSize = parseFloat(resp.headers['content-length']);
       }
 
+      const stream = createWriteStream(tmpFile, {
+        signal: this.abortSignal,
+      });
+
       // Capture potential errors
       resp.on('error', (err: Error) => {
         stream.destroy(err); // propagate to stream