Function dir_size

src/migrate/inventory.rs:932–963

(dir: &Path)

}

fn dir_size(dir: &Path) -> u64 {
    fn walk(path: &Path, total: &mut u64, visited_dirs: &mut HashSet<PathBuf>) {
        let Ok(meta) = std::fs::symlink_metadata(path) else {
            return;
        };
        if meta.file_type().is_symlink() {
            *total = total.saturating_add(meta.len());
            return;
        }
        if !meta.is_dir() {
            if meta.is_file() {
                *total = total.saturating_add(meta.len());
            }
            return;
        }
        let key = path.canonicalize().unwrap_or_else(|_| path.to_path_buf());
        if !visited_dirs.insert(key) {
            return;
        }
        let Ok(entries) = std::fs::read_dir(path) else {
            return;
        };
        for entry in entries.flatten() {
            walk(&entry.path(), total, visited_dirs);
        }
    }

    let mut total = 0;
    let mut visited_dirs = HashSet::new();
    walk(dir, &mut total, &mut visited_dirs);
    total
}