File size: 1,745 Bytes
afa0cbf | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | 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");
}
}
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