use std::process::Command;
fn main() {
let sha = Command::new("git")
.args(["rev-parse", "--short", "HEAD"])
.output()
.ok()
.filter(|out| out.status.success())
.map(|out| String::from_utf8_lossy(&out.stdout).trim().to_string())
.unwrap_or_else(|| "unknown".to_string());
let dirty = Command::new("git")
.args(["status", "--porcelain"])
.output()
.ok()
.filter(|out| out.status.success())
.is_some_and(|out| !out.stdout.is_empty());
let stamp = if dirty { format!("{sha}-dirty") } else { sha };
println!("cargo:rustc-env=GREENTIC_SETUP_BUILD_SHA={stamp}");
println!("cargo:rerun-if-changed=.git/HEAD");
println!("cargo:rerun-if-changed=.git/index");
}