use std::error::Error;
use std::process::Command;

fn main() -> Result<(), Box<dyn Error>> {
    let hash = Command::new("git")
        .arg("rev-parse")
        .arg("--short")
        .arg("HEAD")
        .output()?
        .stdout;
    println!("cargo:rustc-env=VERSION={}", std::str::from_utf8(&hash)?);
    Ok(())
}