mirror of
https://github.com/hinto-janai/cuprate.git
synced 2024-12-23 12:09:57 +00:00
30 lines
855 B
Rust
30 lines
855 B
Rust
fn main() {
|
|
set_commit_env();
|
|
}
|
|
|
|
/// This sets the git `COMMIT` environment variable.
|
|
fn set_commit_env() {
|
|
const PATH: &str = "../.git/refs/heads/";
|
|
|
|
println!("cargo:rerun-if-changed={PATH}");
|
|
|
|
// FIXME: This could also be `std::fs::read({PATH}/{branch})`
|
|
// so the machine building doesn't need `git`, although:
|
|
// 1. Having `git` as a build dependency is probably ok
|
|
// 2. It causes issues on PRs that aren't the `main` branch
|
|
let output = std::process::Command::new("git")
|
|
.arg("rev-parse")
|
|
.arg("HEAD")
|
|
.output()
|
|
.unwrap();
|
|
|
|
let commit = std::str::from_utf8(&output.stdout)
|
|
.unwrap()
|
|
.trim()
|
|
.to_lowercase();
|
|
|
|
// Commit hash should always be 40 bytes long.
|
|
assert_eq!(commit.as_bytes().len(), 40);
|
|
|
|
println!("cargo:rustc-env=COMMIT={commit}");
|
|
}
|