feat: add output pipeline

src/sync.rs

@@ -32,8 +32,7 @@ fn human_size(bytes: u64) -> String {
 }
 
 pub fn upload(session: &mut Session, source: &Path, target: &str) -> Result<Stats> {
-    println!("[SFTP] transferring {} -> {} ...", source.display(), target);
-    let stats = runtime().block_on(async {
+    runtime().block_on(async {
         if source.is_dir() {
             upload_dir(session, source, target).await
         } else if source.is_file() {
@@ -41,9 +40,7 @@ pub fn upload(session: &mut Session, source: &Path, target: &str) -> Result<Stat
         } else {
             bail!("sync source '{}' does not exist", source.display());
         }
-    })?;
-    println!("[SFTP] ... Done! ({stats})");
-    Ok(stats)
+    })
 }
 
 async fn open_sftp(session: &mut Session) -> Result<SftpSession> {