use crate::fs::{errors, is_root_dir, read_dir_unchecked, FollowSymlinks, Metadata}; use std::path::Component; use std::{fs, io}; /// Delete the directory referenced by the given handle by searching for it in /// its `..`. This requires search permission in `..`, but that's usually /// available. pub(crate) fn remove_open_dir_by_searching(dir: fs::File) -> io::Result<()> { let metadata = Metadata::from_file(&dir)?; let mut iter = read_dir_unchecked(&dir, Component::ParentDir.as_ref(), FollowSymlinks::No)?; while let Some(child) = iter.next() { let child = child?; // Test if the child we found by iteration matches the directory we're // looking for. Ignore `NotFound` errors, which can happen if another // process removes a different directory in the same parent. let same = match child.is_same_file(&metadata) { Ok(same) => same, Err(err) if err.kind() == std::io::ErrorKind::NotFound => false, Err(err) => Err(err)?, }; if same { return child.remove_dir(); } } // We didn't find the directory among its parent's children. Check for the // root directory and handle it specially -- removal will probably fail, so // we'll get the appropriate error code. if is_root_dir(&dir, &iter)? { fs::remove_dir(Component::RootDir.as_os_str()) } else { Err(errors::no_such_file_or_directory()) } }