xchecker 1.2.0

Spec pipeline with receipts and gateable JSON contracts
Documentation 
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use std::process::Command;

fn main() {
    // Get git revision hash
    let git_hash = Command::new("git")
        .args(["rev-parse", "--short", "HEAD"])
        .output()
        .map(|output| {
            if output.status.success() {
                String::from_utf8_lossy(&output.stdout).trim().to_string()
            } else {
                "unknown".to_string()
            }
        })
        .unwrap_or_else(|_| "unknown".to_string());

    // Set environment variable for use in code
    println!("cargo:rustc-env=GIT_HASH={git_hash}");

    // Rerun if git HEAD changes
    println!("cargo:rerun-if-changed=.git/HEAD");
    println!("cargo:rerun-if-changed=.git/refs/heads");
}