From: Debian Rust Maintainers <pkg-rust-maintainers@alioth-lists.debian.net>
Date: Thu, 13 Jun 2024 09:16:38 +0000 (+0200)
Subject: c-2003-workaround-qemu-vfork-command-not-found
X-Git-Tag: archive/raspbian/1.81.0+dfsg1-2+rpi1~1^2~44
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=c91ccd48a0b25250a5527e77d0fa96be79d3b442;p=rustc.git

c-2003-workaround-qemu-vfork-command-not-found

===================================================================

Gbp-Pq: Topic cargo
Gbp-Pq: Name c-2003-workaround-qemu-vfork-command-not-found.patch
---

diff --git a/src/tools/cargo/crates/cargo-test-macro/src/lib.rs b/src/tools/cargo/crates/cargo-test-macro/src/lib.rs
index 9d4a5fbaa9..c7df1865ea 100644
--- a/src/tools/cargo/crates/cargo-test-macro/src/lib.rs
+++ b/src/tools/cargo/crates/cargo-test-macro/src/lib.rs
@@ -240,6 +240,14 @@ fn check_command(command_path: &Path, args: &[&str]) -> bool {
         }
     };
     if !output.status.success() {
+        // Debian specific patch, upstream wontfix:
+        // qemu has a faulty vfork where it fails to fail if a command is not
+        // found, with a unix_wait_status of 32512, or 0x7f00, 7f meaning
+        // exit code 127. See https://github.com/rust-lang/rust/issues/90825
+        use std::os::unix::process::ExitStatusExt;
+        if output.status.into_raw() == 0x7f00 {
+            return false;
+        }
         panic!(
             "expected command `{command_name}` to be runnable, got error {}:\n\
             stderr:{}\n\