fn main() {
    let template = std::fs::read_to_string("templates/index.html")
        .expect("templates/index.html not found");
    tera::Tera::default()
        .add_raw_template("index.html", &template)
        .expect("Failed to parse template");
    println!("cargo:rerun-if-changed=templates/index.html");

    let hash = std::process::Command::new("git")
        .args(["rev-parse", "--short", "HEAD"])
        .output()
        .ok()
        .and_then(|o| String::from_utf8(o.stdout).ok())
        .map(|s| s.trim().to_string())
        .unwrap_or_else(|| "unknown".into());
    println!("cargo:rustc-env=SEARCH_HUB_GIT_HASH={}", hash);
    println!("cargo:rerun-if-changed=.git/HEAD");
}