use std::ffi::OsStr;/// Returns true if the current process is running under WSL.pub use codex_utils_path::is_wsl;/// Convert a Windows absolute path (`C:\foo\bar` or `C:/foo/bar`) to a WSL mount path (`/mnt/c/foo/bar`)./// Returns `None` if the input does not look like a Windows drive path.pub fn win_path_to_wsl(path: &str) -> Option<String> {    let bytes = path.as_bytes();    if bytes.len() < 3        || bytes[1] != b':'        || !(bytes[2] == b'\\' || bytes[2] == b'/')        || !bytes[0].is_ascii_alphabetic()    {        return None;    }    let drive = (bytes[0] as char).to_ascii_lowercase();    let tail = path[3..].replace('\\', "/");    if tail.is_empty() {        return Some(format!("/mnt/{drive}"));    }    Some(format!("/mnt/{drive}/{tail}"))}/// If under WSL and given a Windows-style path, return the equivalent `/mnt/<drive>/…` path./// Otherwise returns the input unchanged.pub fn normalize_for_wsl<P: AsRef<OsStr>>(path: P) -> String {    let value = path.as_ref().to_string_lossy().to_string();    if !is_wsl() {        return value;    }    if let Some(mapped) = win_path_to_wsl(&value) {        return mapped;    }    value}#[cfg(test)]mod tests {    use super::*;    #[test]    fn win_to_wsl_basic() {        assert_eq!(            win_path_to_wsl(r"C:\Temp\codex.zip").as_deref(),            Some("/mnt/c/Temp/codex.zip")        );        assert_eq!(            win_path_to_wsl("D:/Work/codex.tgz").as_deref(),            Some("/mnt/d/Work/codex.tgz")        );        assert!(win_path_to_wsl("/home/user/codex").is_none());    }    #[test]    fn normalize_is_noop_on_unix_paths() {        assert_eq!(normalize_for_wsl("/home/u/x"), "/home/u/x");    }}