use std::process::Command;
fn main() {
let output = Command::new("git")
.args(["rev-parse", "HEAD"])
.output()
.unwrap();
let git_hash = String::from_utf8(output.stdout).unwrap();
println!("cargo:rustc-env=GIT_HASH={}", git_hash);
let date = chrono::Utc::now().to_rfc3339();
println!("cargo:rustc-env=BUILD_DATE={}", date);
}