Add progress callback to clone function

src/bin/clone.rs

@@ -112,7 +112,17 @@ fn main() {
         }
     };
 
-    match clone(&mut fs_old, &mut fs) {
+    let size_old = fs_old.header.size();
+    let free_old = fs_old.allocator().free() * redoxfs::BLOCK_SIZE;
+    let used_old = size_old - free_old;
+    match clone(&mut fs_old, &mut fs, |used| {
+        eprint!(
+            "{}%: {}/{}\r",
+            (used * 100) / used_old,
+            used / 1000 / 1000,
+            used_old / 1000 / 1000
+        );
+    }) {
         Ok(()) => (),
         Err(err) => {
             println!(
@@ -124,11 +134,13 @@ fn main() {
     }
 
     let uuid = Uuid::from_bytes(fs.header.uuid());
-    println!(
-        "redoxfs-clone: created filesystem on {}, reserved {} blocks, size {} MB, uuid {}",
-        disk_path,
-        fs.block,
-        fs.header.size() / 1000 / 1000,
-        uuid.hyphenated()
-    );
+    let size = fs.header.size();
+    let free = fs.allocator().free() * redoxfs::BLOCK_SIZE;
+    let used = size - free;
+    println!("redoxfs-clone: created filesystem on {}", disk_path,);
+    println!("\treserved: {} blocks", fs.block);
+    println!("\tuuid: {}", uuid.hyphenated());
+    println!("\tsize: {} MB", size / 1000 / 1000);
+    println!("\tused: {} MB", used / 1000 / 1000);
+    println!("\tfree: {} MB", free / 1000 / 1000);
 }