[PATCH proxmox-backup v2] datastore: don't skip empty namespaces on s3 refresh

[Hannes Laimer <h.laimer@proxmox.com>]

Without this empty namespaces present on s3 won't be visible locally.

Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
---
v2, thanks @Fabian:
 - don't duplicate dir creation, just move ns check to after dir
   creation since it is identicaly for namespaces and other things

 pbs-datastore/src/datastore.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/pbs-datastore/src/datastore.rs b/pbs-datastore/src/datastore.rs
index 7ad3d917..76b66f7d 100644
--- a/pbs-datastore/src/datastore.rs
+++ b/pbs-datastore/src/datastore.rs
@@ -2534,11 +2534,6 @@ impl DataStore {
                 let object_path = object_path.strip_prefix(&store_prefix).with_context(|| {
                     format!("failed to strip store context prefix {store_prefix} for {object_key}")
                 })?;
-                if object_path.ends_with(NAMESPACE_MARKER_FILENAME) {
-                    continue;
-                }
-
-                info!("Fetching object {object_path}");
 
                 let file_path = tmp_base.join(object_path);
                 if let Some(parent) = file_path.parent() {
@@ -2549,6 +2544,13 @@ impl DataStore {
                     )?;
                 }
 
+                if object_path.ends_with(NAMESPACE_MARKER_FILENAME) {
+                    info!("Created namespace {object_path}");
+                    continue;
+                } else {
+                    info!("Fetching object {object_path}");
+                }
+
                 let mut target_file = tokio::fs::OpenOptions::new()
                     .write(true)
                     .create(true)
-- 
2.47.3