1 files changed, 18 insertions, 4 deletions
diff --git a/src/swarm/bootstrap.rs b/src/swarm/bootstrap.rs
index 125321b..b725786 100644
--- a/src/swarm/bootstrap.rs
+++ b/src/swarm/bootstrap.rs
@@ -140,9 +140,18 @@ fn read_swarm_id(doc: &AutoCommit) -> Option<String> {
     }
 }
 
-/// A backup to recover from (`--recover-from`, as `GET /admin/document` saves it): the
-/// document under a fresh actor, the epoch it is on and the swarm it names.
-pub(crate) fn load_backup(path: &Path) -> Result<(AutoCommit, Epoch, String)> {
+/// A backup to recover from (`--recover-from`).
+pub(crate) struct Backup {
+    /// Under a fresh actor.
+    pub(crate) doc: AutoCommit,
+    pub(crate) epoch: Epoch,
+    pub(crate) swarm_id: String,
+    /// The file's size (`swarm::stats`, disk).
+    pub(crate) bytes: u64,
+}
+
+/// Loads a backup to recover from, as `GET /admin/document` saves it.
+pub(crate) fn load_backup(path: &Path) -> Result<Backup> {
     let bytes =
         std::fs::read(path).with_context(|| format!("Reading the backup {}", path.display()))?;
     let mut doc = AutoCommit::load(&bytes)
@@ -156,7 +165,12 @@ pub(crate) fn load_backup(path: &Path) -> Result<(AutoCommit, Epoch, String)> {
     };
     let epoch = snapshot::epoch_of(&mut doc)
         .map_err(|reason| anyhow::anyhow!("The backup {}: {reason}", path.display()))?;
-    Ok((doc, epoch, swarm_id))
+    Ok(Backup {
+        doc,
+        epoch,
+        swarm_id,
+        bytes: bytes.len() as u64,
+    })
 }
 
 /// Resolves the seeds in `unresolved`, says HELLO to each that resolves, and keeps the