From 5566d1ee205ae8b806c7a4d78038c8c2fd596620 Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Sat, 1 Aug 2020 00:04:27 +0800
Subject: [PATCH] chore: add build.rs

---
 build.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 build.rs

diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..c06ce28
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,11 @@
+use std::process::Command;
+
+fn main() {
+    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);
+    let date_output = Command::new("date").args(&["+%Y-%m-%dT%H:%M:%S%z"]).output().unwrap();
+    let date = String::from_utf8(date_output.stdout).unwrap();
+    println!("cargo:rustc-env=BUILD_DATE={}", date);
+}
+