wasmer/lib/runtime-core/build.rs
2019-03-19 11:23:04 -07:00

27 lines
790 B
Rust

use blake2b_simd::blake2bp;
use std::{env, fs, io::Write, path::PathBuf};
const WASMER_VERSION: &'static str = env!("CARGO_PKG_VERSION");
fn main() {
let mut state = blake2bp::State::new();
state.update(WASMER_VERSION.as_bytes());
let hasher = state.finalize();
let hash_string = hasher.to_hex().as_str().to_owned();
let crate_dir = env::var("OUT_DIR").unwrap();
let wasmer_version_hash_file = {
let mut path = PathBuf::from(&crate_dir);
path.push("wasmer_version_hash.txt");
path
};
let mut f_out = fs::File::create(wasmer_version_hash_file)
.expect("Could not create file for wasmer hash value");
f_out
.write_all(hash_string.as_bytes())
.expect("Could not write to file for wasmer hash value");
}