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## Why `bootstrap` starts a detached pid-backed updater loop, but before this change that updater could keep running an old executable image even after `install.sh` replaced the managed standalone binary under `CODEX_HOME`. That left the updater itself behind the binary it had just rolled out, especially when the app-server was stopped or when the managed binary changed without a version-string change. ## What changed - Track updater identity from the executable contents rather than only the reported CLI version. - Force the managed app-server restart path when the managed binary contents differ from the running updater image, then re-exec the updater from the managed binary once the rollout is in a safe state. - Distinguish a genuinely absent managed app-server from a managed process that exists but is not yet probeable, so self-refresh does not skip a required restart. - Keep the restart/re-exec decision under the daemon operation lock so `bootstrap` cannot race the handoff. - Update `app-server-daemon/README.md` to document the resulting standalone and out-of-band update behavior. ## Verification - `cargo test -p codex-app-server-daemon` - `just fix -p codex-app-server-daemon` Added focused unit coverage for: - content-based updater refresh decisions - safe updater re-exec outcomes across restart states
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, Business, 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.