Include git hash in startup line

Author: Astralchroma

build.rs

@@ -1,4 +1,10 @@
+use std::process::Command;
+
 fn main() {
 	println!("cargo:rerun-if-changed=migrations");
 	println!("cargo:rerun-if-changed=.sqlx-check.db");
+
+	let output = Command::new("git").args(&["rev-parse", "HEAD"]).output().unwrap();
+	let git_hash = String::from_utf8(output.stdout).unwrap();
+	println!("cargo:rustc-env=GIT_HASH={}", git_hash);
 }

src/main.rs

@@ -87,7 +87,7 @@ async fn main() -> anyhow::Result<()> {
 
 	env_logger::init_from_env(Env::default().default_filter_or("info"));
 
-	info!("AxolotlClient-Api v{}", env!("CARGO_PKG_VERSION"));
+	info!("AxolotlClient-Api v{} ({})", env!("CARGO_PKG_VERSION"), env!("GIT_HASH"));
 
 	let database = {
 		let postgres_url = match &cl_args.postgres.postgres_url {