fn check_or_infer_target_dir()

in build2cmake/src/main.rs [212:237]

• 26 lines of code
• 1 McCabe index (conditional complexity)

fn check_or_infer_target_dir(
    build_toml: impl AsRef<Path>,
    target_dir: Option<PathBuf>,
) -> Result<PathBuf> {
    let build_toml = build_toml.as_ref();
    match target_dir {
        Some(target_dir) => {
            ensure!(
                target_dir.is_dir(),
                "`{}` is not a directory",
                target_dir.to_string_lossy()
            );
            Ok(target_dir)
        }
        None => {
            let absolute = std::path::absolute(build_toml)?;
            match absolute.parent() {
                Some(parent) => Ok(parent.to_owned()),
                None => bail!(
                    "Cannot get parent path of `{}`",
                    build_toml.to_string_lossy()
                ),
            }
        }
    }
}