Function check_libs_directory

app/src/utils.rs:14–25

(path: String)

const LOCAL_DEPLOYED_ENGINE_VERSION: &str = "v0.0.0-local";

pub fn check_libs_directory(path: String) -> Result<(), EngineInitError> {
    match fs::read_dir(path) {
        Ok(out) => {
            let is_empty = out.take(1).count() == 0;
            match is_empty {
                true => Err(EngineInitError::Regular(ErrorKind::LibsDirEmpty)),
                false => Ok(()),
            }
        }
        Err(_) => Err(EngineInitError::Regular(ErrorKind::LibsPathsMissing)),
    }
}

// check_versions_from will check (in file given in parameter) binaries versions
// will assert an error if used version installed is not the same as written in file