remove-directory-after-mounting

src/mount_injector.rs

@@ -2,6 +2,7 @@ use std::ffi::OsStr;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
 use std::thread::JoinHandle;
+use std::fs;
 
 use anyhow::{anyhow, Result};
 use nix::mount::umount;
@@ -62,6 +63,7 @@ impl MountInjectionGuard {
         if mounts.non_root(&original_path)? {
             // TODO: make the parent mount points private before move mount points
             mounts.move_mount(new_path, original_path)?;
+            fs::remove_dir(new_path)?;
         } else {
             return Err(anyhow!("inject on a root mount"));
         }