use std::{fs, path::Path};

fn main() {
    let sub_crate = Path::new("sub-crate");
    publish_assertion(sub_crate);
    create_sub_manifest(sub_crate);
}

fn publish_assertion(sub_crate: &Path) {
    let sub_crate = sub_crate.join("src");
    if !sub_crate.exists() {
        panic!("Could not find `sub-crate`. Help: There must be no sub-crate/Cargo.toml when publishing");
    }
}

fn create_sub_manifest(sub_crate: &Path) {
    fs::copy(sub_crate.join("sub-Cargo.toml"), sub_crate.join("Cargo.toml")).unwrap();
}