feat(isolation): use normalize_lexically for paths

Cargo.toml

@@ -45,7 +45,6 @@ instrument = ["rftrace", "rftrace-frontend"]
 align-address = "0.3.0"
 byte-unit = { version = "5", features = ["byte", "serde"] }
 clap = { version = "4.5", features = ["derive", "env"] }
-clean-path = "0.2.1"
 core_affinity = "0.8"
 env_logger = "0.11"
 gdbstub = "0.7"

src/isolation/filemap.rs

@@ -8,7 +8,6 @@ use std::{
 	path::PathBuf,
 };
 
-use clean_path::clean;
 use tempfile::TempDir;
 use uuid::Uuid;
 
@@ -46,9 +45,9 @@ impl UhyveFileMap {
 	///
 	/// * `guest_path` - The guest path that is to be looked up in the map.
 	pub fn get_host_path(&self, guest_path: &CStr) -> Option<OsString> {
-		// TODO: Replace clean-path in favor of Path::normalize_lexically, which has not
-		// been implemented yet. See: https://github.com/rust-lang/libs-team/issues/396
-		let guest_pathbuf = clean(OsStr::from_bytes(guest_path.to_bytes()));
+		let guest_pathbuf: PathBuf = PathBuf::from(OsStr::from_bytes(guest_path.to_bytes()))
+			.normalize_lexically()
+			.ok()?;
 		if let Some(host_path) = self.files.get(&guest_pathbuf) {
 			let host_path = OsString::from(host_path);
 			trace!("get_host_path (host_path): {host_path:#?}");

src/isolation/mod.rs

@@ -7,11 +7,9 @@ pub mod tempdir;
 use std::{
 	fs::canonicalize,
 	io::ErrorKind,
-	path::{PathBuf, absolute},
+	path::{Path, PathBuf, absolute},
 };
 
-use clean_path::clean;
-
 /// Separates a string of the format "./host_dir/host_path.txt:guest_path.txt"
 /// into a guest_path (String) and host_path (OsString) respectively.
 ///
@@ -23,11 +21,12 @@ fn split_guest_and_host_path(mapping: &str) -> Result<(PathBuf, PathBuf), ErrorK
 
 	// TODO: Replace clean-path in favor of Path::normalize_lexically, which has not
 	// been implemented yet. See: https://github.com/rust-lang/libs-team/issues/396
-	let host_path =
-		canonicalize(host_str).map_or_else(|_| clean(absolute(host_str).unwrap()), clean);
+	let host_path = canonicalize(host_str).or_else(
+		|_| absolute(host_str).unwrap(),
+	).normalize_lexically().unwrap();
 
 	// `.to_str().unwrap()` should never fail because `guest_str` is always valid UTF-8
-	let guest_path = PathBuf::from(clean(guest_str).to_str().unwrap());
+	let guest_path = PathBuf::from(guest_str).normalize_lexically().unwrap();
 
 	Ok((guest_path, host_path))
 }

src/lib.rs

@@ -1,3 +1,4 @@
+#![feature(normalize_lexically)]
 #![warn(rust_2018_idioms)]
 
 use std::path::PathBuf;