X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=build.rs;h=336f0295bdf6fc9fda9b593a69bf22cdf6fb7dbf;hb=f6882ede4dc32684e000d256644c9e192ea8c738;hp=1c930c1b2c95e531928f002e295c50f0eb31d782;hpb=dc164f4c46d666822a87db250ec43e2862356d93;p=rust.git

diff --git a/build.rs b/build.rs
index 1c930c1b2c9..336f0295bdf 100644
--- a/build.rs
+++ b/build.rs
@@ -1,8 +1,25 @@
-use std::env;
+// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
 
 fn main() {
     // Forward the profile to the main compilation
-    println!("cargo:rustc-env=PROFILE={}", env::var("PROFILE").unwrap());
+    println!("cargo:rustc-env=PROFILE={}", std::env::var("PROFILE").unwrap());
     // Don't rebuild even if nothing changed
     println!("cargo:rerun-if-changed=build.rs");
+    // forward git repo hashes we build at
+    println!(
+        "cargo:rustc-env=GIT_HASH={}",
+        rustc_tools_util::get_commit_hash().unwrap_or_default()
+    );
+    println!(
+        "cargo:rustc-env=COMMIT_DATE={}",
+        rustc_tools_util::get_commit_date().unwrap_or_default()
+    );
 }