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chore(build): no need to rebuild for Cargo.toml changes

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This commit is contained in:
Erica Marigold 2025-01-31 16:32:48 +00:00
parent bcc667f3ea
commit 7bbae7f21c
Signed by: DevComp
GPG key ID: 429EF1C337871656
1 changed files with 9 additions and 10 deletions
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19
build.rs
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@ -4,29 +4,28 @@ use anyhow::Result;
use ssh_key::{rand_core, Algorithm, EcdsaCurve, LineEnding, PrivateKey};
use vergen_gix::{BuildBuilder, CargoBuilder, Emitter, GixBuilder};
const SSH_KEY_ALGOS: &[Algorithm] = &[
Algorithm::Rsa { hash: None },
Algorithm::Ed25519,
Algorithm::Ecdsa {
const SSH_KEY_ALGOS: &[(&'static str, Algorithm)] = &[
("rsa.pem", Algorithm::Rsa { hash: None }),
("ed25519.pem", Algorithm::Ed25519),
("ecdsa.pem", Algorithm::Ecdsa {
curve: EcdsaCurve::NistP256,
},
}),
];
fn main() -> Result<()> {
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=Cargo.toml");
// Generate openSSH host keys
let mut rng = rand_core::OsRng::default();
let keys = SSH_KEY_ALGOS
.iter()
.map(|algo| PrivateKey::random(&mut rng, algo.to_owned()).map_err(anyhow::Error::from))
.collect::<Vec<Result<PrivateKey>>>();
.map(|(file_name, algo)| (*file_name, PrivateKey::random(&mut rng, algo.to_owned()).map_err(anyhow::Error::from)))
.collect::<Vec<(&str, Result<PrivateKey>)>>();
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
for key_res in keys {
for (file_name, key_res) in keys {
if let Ok(ref key) = key_res {
let path = out_dir.join(format!("{}.pem", key.algorithm().as_str()));
let path = out_dir.join(file_name);
if path.exists() {
println!("cargo:warning=Skipping existing host key: {:?}", path.file_stem());
continue;