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## Why The argument-comment lint now has a packaged DotSlash artifact from [#15198](https://github.com/openai/codex/pull/15198), so the normal repo lint path should use that released payload instead of rebuilding the lint from source every time. That keeps `just clippy` and CI aligned with the shipped artifact while preserving a separate source-build path for people actively hacking on the lint crate. The current alpha package also exposed two integration wrinkles that the repo-side prebuilt wrapper needs to smooth over: - the bundled Dylint library filename includes the host triple, for example `@nightly-2025-09-18-aarch64-apple-darwin`, and Dylint derives `RUSTUP_TOOLCHAIN` from that filename - on Windows, Dylint's driver path also expects `RUSTUP_HOME` to be present in the environment Without those adjustments, the prebuilt CI jobs fail during `cargo metadata` or driver setup. This change makes the checked-in prebuilt wrapper normalize the packaged library name to the plain `nightly-2025-09-18` channel before invoking `cargo-dylint`, and it teaches both the wrapper and the packaged runner source to infer `RUSTUP_HOME` from `rustup show home` when the environment does not already provide it. After the prebuilt Windows lint job started running successfully, it also surfaced a handful of existing anonymous literal callsites in `windows-sandbox-rs`. This PR now annotates those callsites so the new cross-platform lint job is green on the current tree. ## What Changed - checked in the current `tools/argument-comment-lint/argument-comment-lint` DotSlash manifest - kept `tools/argument-comment-lint/run.sh` as the source-build wrapper for lint development - added `tools/argument-comment-lint/run-prebuilt-linter.sh` as the normal enforcement path, using the checked-in DotSlash package and bundled `cargo-dylint` - updated `just clippy` and `just argument-comment-lint` to use the prebuilt wrapper - split `.github/workflows/rust-ci.yml` so source-package checks live in a dedicated `argument_comment_lint_package` job, while the released lint runs in an `argument_comment_lint_prebuilt` matrix on Linux, macOS, and Windows - kept the pinned `nightly-2025-09-18` toolchain install in the prebuilt CI matrix, since the prebuilt package still relies on rustup-provided toolchain components - updated `tools/argument-comment-lint/run-prebuilt-linter.sh` to normalize host-qualified nightly library filenames, keep the `rustup` shim directory ahead of direct toolchain `cargo` binaries, and export `RUSTUP_HOME` when needed for Windows Dylint driver setup - updated `tools/argument-comment-lint/src/bin/argument-comment-lint.rs` so future published DotSlash artifacts apply the same nightly-filename normalization and `RUSTUP_HOME` inference internally - fixed the remaining Windows lint violations in `codex-rs/windows-sandbox-rs` by adding the required `/*param*/` comments at the reported callsites - documented the checked-in DotSlash file, wrapper split, archive layout, nightly prerequisite, and Windows `RUSTUP_HOME` requirement in `tools/argument-comment-lint/README.md`
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Team, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.