use std::env; use std::fs; use std::path::Path; fn main() { let out_dir = env::var_os("OUT_DIR").unwrap(); let dest_path = Path::new(&out_dir).join("style.css"); fs::write( &dest_path, grass::from_string( include_str!("data/style.scss").to_string(), &grass::Options::default(), ) .unwrap(), ) .unwrap(); println!("cargo:rerun-if-changed=data/style.css"); }