src/checkout.rs: fix rm problem

src/checkout.rs

 use crate::commit;
 use std::{
     path::PathBuf,
-    process::{exit, Command}
+    process::{exit, Command},
 };
 
 /// Check if two commits are differents
@@ -79,16 +79,13 @@ pub fn prepare_checkout() {
     }
 }
 
-
 /// Function that perform a checkout on your results
 pub fn checkout(mode: &str) {
     let (borg_path, results) = commit::check_path();
     if mode == "hard" {
-        let output = Command::new("rm")
-            .arg("-r")
-            .arg(format!("{}/*", results.to_str().unwrap()))
-            .output()
-            .unwrap();
+        let cmd = format!("rm -r {}/*", results.to_str().unwrap());
+        let output = Command::new("sh").arg("-c").arg(cmd).output().unwrap();
+        println!("{}", String::from_utf8(output.stdout).unwrap());
         match output.status.code().unwrap() {
             0 => (),
             num => {