use std::process::Command;
fn main() {
let output = Command::new("git").args(&["rev-parse", "HEAD"]).output().ok();
if let Some(output) = output {
if output.status.success() {
let git_hash = String::from_utf8_lossy(&output.stdout);
println!("cargo:rustc-env=GIT_HASH={}", git_hash.trim());
}
}
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=.git/HEAD");
}