check_symlink_loop() — tailwindcss Function Reference

Architecture documentation for the check_symlink_loop() function in walk.rs from the tailwindcss codebase.

Function rust FileSystemIgnore GitignoreMatcher calls 3 called by 1

Entity Profile

FileSystemIgnore→ GitignoreMatcher→ check_symlink_loop() — tailwindcss Function Reference

Dependency Diagram

graph TD
  46ac3628_51ec_72d2_94bc_be8f59e5700a["check_symlink_loop()"]
  83e9692c_0ef1_97e5_4b56_90182cf80c7a["generate_work()"]
  83e9692c_0ef1_97e5_4b56_90182cf80c7a -->|calls| 46ac3628_51ec_72d2_94bc_be8f59e5700a
  9cddcb8d_8667_c506_99c7_f194e438a77a["from_path()"]
  46ac3628_51ec_72d2_94bc_be8f59e5700a -->|calls| 9cddcb8d_8667_c506_99c7_f194e438a77a
  fa04df97_5b93_410f_f1d1_c9c9f4225078["parents()"]
  46ac3628_51ec_72d2_94bc_be8f59e5700a -->|calls| fa04df97_5b93_410f_f1d1_c9c9f4225078
  5a41a98a_774e_c950_dcbd_cc7fe1960b89["path()"]
  46ac3628_51ec_72d2_94bc_be8f59e5700a -->|calls| 5a41a98a_774e_c950_dcbd_cc7fe1960b89
  style 46ac3628_51ec_72d2_94bc_be8f59e5700a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

crates/ignore/src/walk.rs lines 1876–1904

fn check_symlink_loop(
    ig_parent: &Ignore,
    child_path: &Path,
    child_depth: usize,
) -> Result<(), Error> {
    let hchild = Handle::from_path(child_path).map_err(|err| {
        Error::from(err)
            .with_path(child_path)
            .with_depth(child_depth)
    })?;
    for ig in ig_parent
        .parents()
        .take_while(|ig| !ig.is_absolute_parent())
    {
        let h = Handle::from_path(ig.path()).map_err(|err| {
            Error::from(err)
                .with_path(child_path)
                .with_depth(child_depth)
        })?;
        if hchild == h {
            return Err(Error::Loop {
                ancestor: ig.path().to_path_buf(),
                child: child_path.to_path_buf(),
            }
            .with_depth(child_depth));
        }
    }
    Ok(())
}