Using lstat instead of stat in -fstype

src/find/matchers/fs.rs

@@ -37,7 +37,9 @@ pub fn get_file_system_type(
 ) -> Result<String, Box<dyn Error>> {
  use std::os::unix::fs::MetadataExt;
 
- let metadata = match path.metadata() {
+ // use symlink_metadata (lstat under the hood) instead of metadata (stat) to make sure that it
+ // does not return an error when there is a (broken) symlink; this is aligned with GNU find.
+ let metadata = match path.symlink_metadata() {
  Ok(metadata) => metadata,
  Err(err) => Err(err)?,
  };

tests/find_cmd_tests.rs

@@ -830,6 +830,19 @@ fn find_fs() {
  .success()
  .stdout(predicate::str::is_empty())
  .stderr(predicate::str::is_empty());
+
+ let path = Path::new("./test_data/links");
+ let empty_cache = RefCell::new(None);
+ let target_fs_type = get_file_system_type(path, &empty_cache).unwrap();
+
+ // working with broken links
+ Command::cargo_bin("find")
+ .expect("found binary")
+ .args(["./test_data/links", "-fstype", &target_fs_type])
+ .assert()
+ .success()
+ .stdout(predicate::str::contains("./test_data/links/link-missing"))
+ .stderr(predicate::str::is_empty());
 }
 
 #[test]