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74f06dcdfb
## Summary Enforce FileSystemSandboxPolicy protected metadata names in the Linux bubblewrap adapter so `.git`, `.agents`, and `.codex` remain read only inside writable workspace roots unless the policy grants an explicit write carveout. ## Scope 1. Translate protected metadata names from FileSystemSandboxPolicy into bubblewrap masks for existing metadata paths. 2. Represent missing protected metadata paths as guarded mount targets so agents cannot create `.git`, `.agents`, or `.codex` under writable roots. 3. Preserve normal git discovery for existing repos, worktrees, and parent repos. 4. Keep explicit user write grants working when policy allows a protected metadata path directly. ## Not in scope 1. No shell preflight UX. 2. No TUI runtime profile propagation. 3. No macOS Seatbelt changes in this PR. ## Reviewer focus 1. This should be reviewed as the Linux enforcement adapter for the policy primitive from PR 19846. 2. macOS enforcement already landed in PR 19847. 3. The important invariant is that `FileSystemSandboxPolicy` is the source of truth for `.git`, `.agents`, and `.codex`. ## Validation 1. `git diff` whitespace check passed. 2. `cargo fmt` check passed with the existing stable rustfmt warning about `imports_granularity`. 3. Full Linux sandbox Cargo test suite passed on the devbox. 4. Devbox forty six case suite passed at head `012accb703c13bd28df5b40079a9bf183036336a`. 5. Devbox summary: pass 46, fail 0. 6. The devbox suite was run through `just c sandbox linux`. 7. Focused repo test for Viyat parent repo case passed on the devbox.
74f06dcdfb
·
2026-04-29 16:14:14 -07:00
6,010 Commits
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.