From 865fd059564c203ae20ae0f9343f1e7f3fe1b200 Mon Sep 17 00:00:00 2001
From: lklimek <842586+lklimek@users.noreply.github.com>
Date: Thu, 14 Dec 2023 14:04:57 +0100
Subject: [PATCH] feat: use TENDERDASH_COMMITISH env var to set tenderdash rev
 to use (#44)

* fix: use TENDERDASH_COMMITISH env var if set

* chore: fix nightly build issues
---
 proto/build.rs       | 9 ++++++++-
 proto/src/prelude.rs | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/proto/build.rs b/proto/build.rs
index dd0eb6f1..41c909c0 100644
--- a/proto/build.rs
+++ b/proto/build.rs
@@ -3,10 +3,17 @@ use std::env;
 fn main() {
     let version = env!("CARGO_PKG_VERSION");
 
-    env::set_var("TENDERDASH_COMMITISH", "v".to_owned() + version);
+    // check if TENDERDASH_COMMITISH is alrady set; if not, set it to the current
+    // version
+    let commitish = env::var("TENDERDASH_COMMITISH").unwrap_or_default();
+    if commitish.is_empty() {
+        env::set_var("TENDERDASH_COMMITISH", "v".to_owned() + version);
+    }
+
     tenderdash_proto_compiler::proto_compile();
 
     println!("cargo:rerun-if-changed=../proto-compiler/src");
     println!("cargo:rerun-if-changed=Cargo.toml");
     println!("cargo:rerun-if-env-changed=CARGO_PKG_VERSION");
+    println!("cargo:rerun-if-env-changed=TENDERDASH_COMMITISH");
 }
diff --git a/proto/src/prelude.rs b/proto/src/prelude.rs
index aa9a20b6..74cb1a7f 100644
--- a/proto/src/prelude.rs
+++ b/proto/src/prelude.rs
@@ -1,5 +1,6 @@
 // Re-export according to alloc::prelude::v1 because it is not yet stabilized
 // https://doc.rust-lang.org/src/alloc/prelude/v1.rs.html
+#[allow(unused_imports)]
 pub use alloc::{
     borrow::ToOwned,
     boxed::Box,