fn convert_walkdir_result()

in src/local.rs [1037:1080]

• 39 lines of code
• 2 McCabe index (conditional complexity)

fn convert_walkdir_result(
    res: std::result::Result<DirEntry, walkdir::Error>,
) -> Result<Option<DirEntry>> {
    match res {
        Ok(entry) => {
            // To check for broken symlink: call symlink_metadata() - it does not traverse symlinks);
            // if ok: check if entry is symlink; and try to read it by calling metadata().
            match symlink_metadata(entry.path()) {
                Ok(attr) => {
                    if attr.is_symlink() {
                        let target_metadata = metadata(entry.path());
                        match target_metadata {
                            Ok(_) => {
                                // symlink is valid
                                Ok(Some(entry))
                            }
                            Err(_) => {
                                // this is a broken symlink, return None
                                Ok(None)
                            }
                        }
                    } else {
                        Ok(Some(entry))
                    }
                }
                Err(_) => Ok(None),
            }
        }

        Err(walkdir_err) => match walkdir_err.io_error() {
            Some(io_err) => match io_err.kind() {
                ErrorKind::NotFound => Ok(None),
                _ => Err(Error::UnableToWalkDir {
                    source: walkdir_err,
                }
                .into()),
            },
            None => Err(Error::UnableToWalkDir {
                source: walkdir_err,
            }
            .into()),
        },
    }
}