From d07db09d8094d38eea3ceaa8119167be62418c0b Mon Sep 17 00:00:00 2001
From: Surma <surma@surma.dev>
Date: Sat, 7 Nov 2026 10:41:23 +0000
Subject: [PATCH] box: reopen completed tree spools for upload

---
 userland/box/src/transfer.rs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/userland/box/src/transfer.rs b/userland/box/src/transfer.rs
index 5535488..17ecc41 100644
--- a/userland/box/src/transfer.rs
+++ b/userland/box/src/transfer.rs
@@ -1,6 +1,5 @@
 //! Bounded streaming transfers. Payloads stay in HTTP/VFS, not RPC responses.
 use super::*;
-use std::io::{Seek, SeekFrom};
 
 pub fn file_path(id: &str, path: &str) -> Result<String> {
     if !path.starts_with('/') || path == "/" {
@@ -231,9 +230,11 @@ pub fn put_tree(h: &str, p: PutTree) -> Result<OkResult> {
     let mut tar = tar::Builder::new(f);
     tar.follow_symlinks(false);
     append_tree(&mut tar, Path::new(&p.from_vfs_dir), Path::new("."))?;
-    let mut f = tar.into_inner()?;
+    let mut output = tar.into_inner()?;
+    output.flush()?;
+    drop(output);
+    let mut f = File::open(spool.path())?;
     let len = f.metadata()?.len();
-    f.seek(SeekFrom::Start(0))?;
     let remote = remote_tmp();
     let result = (|| -> Result<()> {
         put(h, &p.id, &remote, &mut f, len)?;