* Rename cmuxterm to cmux across entire codebase

- Rename GitHub repos: manaflow-ai/cmuxterm -> manaflow-ai/cmux,
  manaflow-ai/homebrew-cmuxterm -> manaflow-ai/homebrew-cmux
- Rename bundle IDs: com.cmuxterm.app -> com.cmux.app
- Rename CLI: CLI/cmuxterm.swift -> CLI/cmux.swift
- Rename homebrew submodule: homebrew-cmuxterm -> homebrew-cmux
- Update all socket paths: /tmp/cmuxterm*.sock -> /tmp/cmux*.sock
- Update all GitHub URLs, DMG names, Sparkle URLs
- Update all source files, scripts, tests, docs, CI workflows

* Bump version to 1.23.0

2026-02-09 15:30:43 -08:00

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Contributing to cmux

Prerequisites

macOS 14+
Xcode 15+
Zig (install via brew install zig)

Getting Started

Clone the repository with submodules:

git clone --recursive https://github.com/manaflow-ai/cmux.git
cd cmux

Run the setup script:
```
./scripts/setup.sh
```
This will:
- Initialize git submodules (ghostty, homebrew-cmux)
- Build the GhosttyKit.xcframework from source
- Create the necessary symlinks
Build and run the debug app:
```
./scripts/reload.sh
```

Development Scripts

Script	Description
`./scripts/setup.sh`	One-time setup (submodules + xcframework)
`./scripts/reload.sh`	Build and launch Debug app
`./scripts/reloadp.sh`	Build and launch Release app
`./scripts/reload2.sh`	Reload both Debug and Release
`./scripts/rebuild.sh`	Clean rebuild

Rebuilding GhosttyKit

If you make changes to the ghostty submodule, rebuild the xcframework:

cd ghostty
zig build -Demit-xcframework=true -Doptimize=ReleaseFast

Running Tests

Basic tests (run on VM)

ssh cmux-vm 'cd /Users/cmux/GhosttyTabs && xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug -destination "platform=macOS" build && pkill -x "cmux DEV" || true && APP=$(find /Users/cmux/Library/Developer/Xcode/DerivedData -path "*/Build/Products/Debug/cmux DEV.app" -print -quit) && open "$APP" && for i in {1..20}; do [ -S /tmp/cmux.sock ] && break; sleep 0.5; done && python3 tests/test_update_timing.py && python3 tests/test_signals_auto.py && python3 tests/test_ctrl_socket.py && python3 tests/test_notifications.py'

UI tests (run on VM)

ssh cmux-vm 'cd /Users/cmux/GhosttyTabs && xcodebuild -project GhosttyTabs.xcodeproj -scheme cmux -configuration Debug -destination "platform=macOS" -only-testing:GhosttyTabsUITests test'

Ghostty Submodule

The ghostty submodule points to manaflow-ai/ghostty, a fork of the upstream Ghostty project.

Making changes to ghostty

cd ghostty
git checkout -b my-feature
# make changes
git add .
git commit -m "Description of changes"
git push manaflow my-feature

Keeping the fork updated

cd ghostty
git fetch origin
git checkout main
git merge origin/main
git push manaflow main

Then update the parent repo:

cd ..
git add ghostty
git commit -m "Update ghostty submodule"

See docs/ghostty-fork.md for details on fork changes and conflict notes.

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