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## Summary - on macOS, resolve the curated plugin sync Git executable without executing it - treat Apple’s `/usr/bin/git` shim as unavailable when `xcode-select -p` reports that developer tools are absent - skip directly to the existing GitHub HTTP fallback in that case - preserve the original `git` command lookup on Windows and Linux, including CCA ## Root cause Curated plugin startup sync invokes `git ls-remote` before its HTTP fallback. On a clean Mac, `git` resolves to Apple’s `/usr/bin/git` shim, and executing the shim opens the Xcode Command Line Tools installer before the process can fail and reach HTTP. On macOS, this change resolves Git through `PATH` without executing it. If the selected binary is Apple’s shim and developer tools are unavailable, startup sync marks the Git transport unavailable and enters the existing HTTP fallback immediately. The new availability detection is macOS-only by construction. Windows and Linux still execute the literal `git` command as before. If Git is missing on Windows, the existing spawn-error path falls back to HTTP; Linux/CCA receives no new lookup or startup behavior. ## Eager Git audit I also audited production Git process spawns in `codex-rs`. - This curated catalog sync is the only default projectless app-server startup path found. - Configured Git marketplace auto-upgrade runs Git at plugin startup, but only after a user has explicitly configured a Git marketplace. - Experimental Memories has background Git metadata/baseline paths when the feature is enabled. - The separate cloud-tasks UI probes Git during environment autodetection. - Normal thread/turn Git metadata is gated by filesystem discovery of an existing `.git` entry. - Marketplace add/install, patch apply, doctor, and TUI `/diff` paths are explicitly user-invoked. ## Validation - `just fmt` - `just bazel-lock-update` — succeeded with no lockfile delta - `just test -p codex-core-plugins` — 313 passed - `just fix -p codex-core-plugins` — completed; emitted one pre-existing unrelated `large_enum_variant` warning in `manifest.rs` - `git diff --check`
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
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# 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.