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## Why The TUI Vim composer currently diverges from normal Vim editing in two common workflows: pressing `e` repeatedly can remain stuck at an existing word end, and normal mode does not support `C` for changing through the end of the line. The existing `D` behavior also removes the newline when the cursor is already at the line boundary, which makes the new `C` action and existing deletion action surprising in multiline prompts. Closes #23926. Closes #24238. ## What Changed - Make normal-mode `e` advance from the current word end to the next word end, including for operator motions such as `de`. - Add configurable Vim normal-mode `change_to_line_end` behavior, bound to `C` by default, which deletes to the end of the current line and enters Insert mode. - Keep the newline intact when `D` or `C` is pressed at the end-of-line boundary. - Add regression coverage for repeated `e`, `de`, `C`, and the multiline `C`/`D` boundary behavior. - Regenerate the config schema and update the keymap picker snapshots for the new Vim action. ## How to Test 1. Run Codex with Vim composer mode enabled: ```bash cd codex-rs cargo run --bin codex -- -c tui.vim_mode_default=true ``` 2. Enter `alpha beta gamma`, press `Esc`, `0`, then press `e` repeatedly. Confirm the cursor advances through the ends of `alpha`, `beta`, and `gamma`. 3. Enter `hello world`, press `Esc`, `0`, `w`, then `C`. Confirm `world` is deleted and the composer enters Insert mode. 4. Enter a multiline prompt with `hello` above `world`, press `Esc`, `k`, `$`, and then `D`. Confirm the newline is preserved and the two lines do not join. 5. At the same boundary, press `C` and type `!`. Confirm the composer enters Insert mode and yields `hello!` above `world`, preserving the newline. Targeted automated verification: - `just fix -p codex-tui` - `just argument-comment-lint-from-source -p codex-tui -p codex-config` - `cargo insta pending-snapshots` reports no pending snapshots. - `just test -p codex-tui` validates the new Vim and keymap snapshot coverage, but the command remains red due to two reproducible unrelated failures in `app::tests::update_feature_flags_disabling_guardian_*`. ## Validation Note The workspace-wide `just argument-comment-lint` form is currently blocked during Bazel analysis by the existing LLVM `compiler-rt` missing `include/sanitizer/*.h` failure; package-scoped source linting for the changed Rust crates passed.
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.