use std::process::Command;

fn main() {
    let git_hash = Command::new("git")
        .args(["rev-parse", "--short", "HEAD"])
        .output()
        .ok()
        .and_then(|out| String::from_utf8(out.stdout).ok())
        .unwrap_or_else(|| "unknown".to_string());

    let git_date = Command::new("git")
        .args(["log", "-1", "--format=%cd", "--date=format:%y.%m.%d.%H%M%S"])
        .output()
        .ok()
        .and_then(|out| String::from_utf8(out.stdout).ok())
        .unwrap_or_else(|| "unknown".to_string());

    let version = format!(
        "{} ({})",
        git_date.trim(),
        git_hash.trim()
    );
    println!("cargo:rustc-env=APP_VERSION={}", version);
}