initial commit

build.rs

@@ -0,0 +1,14 @@
+use std::{io::Result, process::Command};
+
+fn main() -> Result<()> {
+    let output = Command::new("git")
+        .args(&["rev-parse", "--short", "HEAD"])
+        .output()
+        .expect("Failed to get git commit hash");
+    let git_hash = String::from_utf8(output.stdout)
+        .expect("Invalid UTF-8")
+        .trim()
+        .to_string();
+    println!("cargo:rustc-env=GIT_HASH={}", git_hash);
+    Ok(())
+}