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Since https://github.com/openai/codex/pull/21255, `rust-ci-full` has
been failing due to a missing `bwrap`.
```
thread 'main' panicked at linux-sandbox/src/launcher.rs:43:13:
bubblewrap is unavailable: no system bwrap was found on PATH and no bundled codex-resources/bwrap binary was found next to the Codex executable
```
Since the happy path is now to use the system binary, let's ensure
that's installed.
8d51826631
was necessary for the `bwrap` executable to be discoverable when the
working directory is `/`.
I ran `rust-ci-full` at
https://github.com/openai/codex/actions/runs/25528074506
---------
Co-authored-by: Codex <noreply@openai.com>
Workflow Strategy
The workflows in this directory are split so that pull requests get fast, review-friendly signal while main still gets the full cross-platform verification pass.
Pull Requests
bazel.ymlis the main pre-merge verification path for Rust code. It runs Bazeltestand Bazelclippyon the supported Bazel targets, including the generated Rust test binaries needed to lint inline#[cfg(test)]code.rust-ci.ymlkeeps the Cargo-native PR checks intentionally small:cargo fmt --checkcargo shearargument-comment-linton Linux, macOS, and Windowstools/argument-comment-lintpackage tests when the lint or its workflow wiring changes
Post-Merge On main
bazel.ymlalso runs on pushes tomain. This re-verifies the merged Bazel path and helps keep the BuildBuddy caches warm.rust-ci-full.ymlis the full Cargo-native verification workflow. It keeps the heavier checks off the PR path while still validating them after merge:- the full Cargo
clippymatrix - the full Cargo
nextestmatrix - release-profile Cargo builds
- cross-platform
argument-comment-lint - Linux remote-env tests
- the full Cargo
Rule Of Thumb
- If a build/test/clippy check can be expressed in Bazel, prefer putting the PR-time version in
bazel.yml. - Keep
rust-ci.ymlfast enough that it usually does not dominate PR latency. - Reserve
rust-ci-full.ymlfor heavyweight Cargo-native coverage that Bazel does not replace yet.