From da9324d97add51040d2e4abae921aaed7d335b0a Mon Sep 17 00:00:00 2001
From: Markus Pettersson <markus.pettersson@mullvad.net>
Date: Wed, 15 Jan 2025 17:11:47 +0100
Subject: [PATCH] Add more elaborate error message

---
 wireguard-go-rs/build.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/wireguard-go-rs/build.rs b/wireguard-go-rs/build.rs
index e5775a68dc6d..ea05823e1068 100644
--- a/wireguard-go-rs/build.rs
+++ b/wireguard-go-rs/build.rs
@@ -266,9 +266,15 @@ fn build_shared_maybenot_lib(out_dir: impl AsRef<Path>) -> anyhow::Result<()> {
         ("maybenot_ffi.dll", "maybenot_ffi.dll"),
         ("maybenot_ffi.dll.lib", "maybenot.lib"),
     ] {
+        let src = artifacts_dir.join(src_filename);
         let dest = out_dir.as_ref().join(dest_filename);
-        fs::copy(artifacts_dir.join(src_filename), &dest)
-            .with_context(|| format!("Failed to copy {src_filename}"))?;
+        fs::copy(&src, &dest).with_context(|| {
+            format!(
+                "Failed to copy {src} to {dest}",
+                src = src.to_str().unwrap(),
+                dest = dest.to_str().unwrap()
+            )
+        })?;
     }
 
     Ok(())