From 9aed850b49ecaf644cbe620c3b17e7447e8735d0 Mon Sep 17 00:00:00 2001
From: Ralf Jung <post@ralfj.de>
Date: Mon, 8 Aug 2022 10:57:26 -0400
Subject: [PATCH] work around RAs RUSTC_WRAPPER hack

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

diff --git a/build.rs b/build.rs
index c470ba1..944d178 100644
--- a/build.rs
+++ b/build.rs
@@ -70,8 +70,14 @@ fn compile_probe() -> Option<ExitStatus> {
     let probefile = Path::new(&out_dir).join("probe.rs");
     fs::write(&probefile, PROBE).ok()?;
 
-    // Make sure to pick up Cargo rustc configuration.
-    let mut cmd = if let Some(wrapper) = env::var_os("RUSTC_WRAPPER") {
+    // Make sure to pick up Cargo rustc configuration, while working around
+    // <https://github.com/rust-lang/rust-analyzer/issues/12973>.
+    let wrapper = env::var_os("RUSTC_WRAPPER").filter(|w| {
+        let wrapper_filename = Path::new(w).file_name().unwrap_or_default();
+        // Ignore wrappers with these filenames.
+        wrapper_filename != "rust-analyzer" && wrapper_filename != "rust-analyzer.exe"
+    });
+    let mut cmd = if let Some(wrapper) = wrapper {
         let mut cmd = Command::new(wrapper);
         // The wrapper's first argument is supposed to be the path to rustc.
         cmd.arg(rustc);