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From: Debian Rust Maintainers <pkg-rust-maintainers@alioth-lists.debian.net>
Date: Thu, 13 Jun 2024 11:16:38 +0200
Subject: c-2003-workaround-qemu-vfork-command-not-found
===================================================================
---
src/tools/cargo/crates/cargo-test-macro/src/lib.rs | 8 ++++++++
1 file changed, 8 insertions(+)
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 14672ab..9208cb3 100644
--- a/src/tools/cargo/crates/cargo-test-macro/src/lib.rs
+++ b/src/tools/cargo/crates/cargo-test-macro/src/lib.rs
@@ -222,6 +222,14 @@ fn has_command(command: &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 `{}` to be runnable, got error {}:\n\
stderr:{}\n\
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