use std::path::Path;
use std::{env, fs};
use chrono::Local;
fn main() {
let path = Path::new(&env::var_os("OUT_DIR").unwrap()).join("build_id.rs");
fs::write(
path,
format!(
"const BUILD_ID: &str = \"{}\";",
Local::now().format("%Y%m%d%H%M%S")
),
)
.unwrap();
}