sync: Show time elapsed per send

src/util.rs

@@ -0,0 +1,14 @@
+use std::time::Duration;
+
+pub fn format_duration(d: Duration) -> String {
+    let seconds = d.as_secs_f32() % 60.0;
+    let minutes = d.as_secs() / 60 % 60;
+    let hours = d.as_secs() / 60 / 60;
+
+    match (hours, minutes) {
+        (0, 0) => format!("{:.2}s", seconds),
+        (0, _) => format!("{}m {:.2}s", minutes, seconds),
+        (_, 0) => format!("{}h {:.2}s", hours, seconds),
+        (_, _) => format!("{}h {}m {:.2}s", hours, minutes, seconds),
+    }
+}