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Michael Bolin
b148d98e0e
## Why `execpolicy` currently keys `prefix_rule()` matching off the literal first token. That works for rules like `["/usr/bin/git"]`, but it means shared basename rules such as `["git"]` do not help when a caller passes an absolute executable path like `/usr/bin/git`. This PR lays the groundwork for basename-aware matching without changing existing callers yet. It adds typed host-executable metadata and an opt-in resolution path in `codex-execpolicy`, so a follow-up PR can adopt the new behavior in `unix_escalation.rs` and other call sites without having to redesign the policy layer first. ## What Changed - added `host_executable(name = ..., paths = [...])` to the execpolicy parser and validated it with `AbsolutePathBuf` - stored host executable mappings separately from prefix rules inside `Policy` - added `MatchOptions` and opt-in `*_with_options()` APIs that preserve existing behavior by default - implemented exact-first matching with optional basename fallback, gated by `host_executable()` allowlists when present - normalized executable names for cross-platform matching so Windows paths like `git.exe` can satisfy `host_executable(name = "git", ...)` - updated `match` / `not_match` example validation to exercise the host-executable resolution path instead of only raw prefix-rule matching - preserved source locations for deferred example-validation errors so policy load failures still point at the right file and line - surfaced `resolvedProgram` on `RuleMatch` so callers can tell when a basename rule matched an absolute executable path - preserved host executable metadata when requirements policies overlay file-based policies in `core/src/exec_policy.rs` - documented the new rule shape and CLI behavior in `execpolicy/README.md` ## Verification - `cargo test -p codex-execpolicy` - added coverage in `execpolicy/tests/basic.rs` for parsing, precedence, empty allowlists, basename fallback, exact-match precedence, and host-executable-backed `match` / `not_match` examples - added a regression test in `core/src/exec_policy.rs` to verify requirements overlays preserve `host_executable()` metadata - verified `cargo test -p codex-core --lib`, including source-rendering coverage for deferred validation errors
b148d98e0e
·
2026-02-27 12:59:24 -08:00
4,105 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, 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.