INNER CODE UNIT · Rust

emit_rerun_triggers

logannye/rosalind · crates/build-info/src/lib.rs:31

fn emit_rerun_triggers() {
    println!("cargo:rerun-if-changed=Cargo.lock");
    if Path::new(".git/HEAD").exists() {
        println!("cargo:rerun-if-changed=.git/HEAD");
        println!("cargo:rerun-if-changed=.git/index");
        if let Ok(head) = std::fs::read_to_string(".git/HEAD") {
            if let Some(reference) = head.strip_prefix("ref: ") {
                println!("cargo:rerun-if-changed=.git/{}", reference.trim());
            }
        }
    }
}

fn git(args: &[&str]) -> Option<String> {
    let output = Command::new("git").args(args).output().ok()?;
    output
        .status
        .success()

View source record →