solutions/substrate-node-template/build.rs

25 lines
647 B
Rust

use std::{env, path::PathBuf};
use vergen::{ConstantsFlags, generate_cargo_keys};
const ERROR_MSG: &str = "Failed to generate metadata files";
fn main() {
generate_cargo_keys(ConstantsFlags::SHA_SHORT).expect(ERROR_MSG);
let mut manifest_dir = PathBuf::from(
env::var("CARGO_MANIFEST_DIR").expect("`CARGO_MANIFEST_DIR` is always set by cargo.")
);
while manifest_dir.parent().is_some() {
if manifest_dir.join(".git/HEAD").exists() {
println!("cargo:rerun-if-changed={}", manifest_dir.join(".git/HEAD").display());
return
}
manifest_dir.pop();
}
println!("cargo:warning=Could not find `.git/HEAD` from manifest dir!");
}