mod hash;

use {crate::vulkan::hash::unchanged, anyhow::bail, std::process::Command};

pub fn main() -> anyhow::Result<()> {
    if !std::fs::exists("compile-shaders")? {
        return Ok(());
    }
    if unchanged() {
        return Ok(());
    }
    let code = Command::new("cargo")
        .args([
            "run",
            "--manifest-path",
            "compile-shaders/Cargo.toml",
            "-p",
            "compile-shaders-build-rs",
        ])
        .status()?;
    if !code.success() {
        bail!("compile-shaders failed");
    }
    Ok(())
}