use std::process::Command;

pub fn main() {
    let cmdout = Command::new("git")
        .arg("rev-parse")
        .arg("HEAD")
        .output()
        .expect("git rev-parse HEAD failed");
    println!(
        "cargo:rustc-env=GIT_VERSION={}",
        String::from_utf8(cmdout.stdout).expect("git revision not UTF-8")
    );
}