X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=build.rs;h=018375dbada874db7ddb8fc908222da41b83a1df;hb=6e88900f9ecc3b1e9ffce777d5e74e0eb3554ef4;hp=1c930c1b2c95e531928f002e295c50f0eb31d782;hpb=6f36f214a536d57e6f7f4e71d9499d99f5e54e8f;p=rust.git

diff --git a/build.rs b/build.rs
index 1c930c1b2c9..018375dbada 100644
--- a/build.rs
+++ b/build.rs
@@ -1,8 +1,19 @@
-use std::env;
-
 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()
+    );
+    println!(
+        "cargo:rustc-env=RUSTC_RELEASE_CHANNEL={}",
+        rustc_tools_util::get_channel().unwrap_or_default()
+    );
 }