Skill: Mac Setup

Sets up a Mac for ButterCut. Two installation paths available based on user preference.

Step 1: Check Current State

Run each check below. Each command exits 0 when the dependency is present. Note which ones fail — that's what setup needs to install.

• Xcode CLI Tools — xcode-select -p (fix: xcode-select --install)
• Homebrew — which brew (fix: see https://brew.sh)
• Ruby 3.3.x — ruby --version | grep -q 'ruby 3\.3' (fix: install Ruby 3.3.6, see .ruby-version)
• Bundler — which bundle (fix: gem install bundler)
• Python 3.12.x — python3 --version | grep -q 'Python 3\.12' (fix: install Python 3.12.8, see .python-version)
• FFmpeg — which ffmpeg (fix: see FFmpeg install in the setup file below — must be the homebrew-ffmpeg/ffmpeg tap build)
• FFmpeg drawtext filter — ffmpeg -hide_banner -filters 2>/dev/null | grep -q ' drawtext ' (fix: the stock brew install ffmpeg formula often omits drawtext; replace it with the homebrew-ffmpeg/ffmpeg tap build — see setup file)
• WhisperX — which whisperx || test -x ~/.buttercut/whisperx || test -x ~/.buttercut/venv/bin/whisperx (fix: see setup steps below)
• Gems installed — bundle check (fix: bundle install in buttercut directory)

If everything passes, tell the user they're ready to go and stop.

Step 2: Ask User Preference

If dependencies are missing, use AskUserQuestion:

Question: "How would you like to install ButterCut?"
Header: "Install type"
Options:
  1. "Simple (recommended)" - "Fully automatic setup. We'll install everything for you using sensible defaults."
  2. "Advanced" - "For developers who want control. You manage Ruby/Python versions with your preferred tools."

Step 3: Run Appropriate Setup

Based on user choice:

• Simple: Read and follow skills/setup/simple-setup.md
• Advanced: Read and follow skills/setup/advanced-setup.md

Step 4: Verify Installation

After setup completes, re-run the checklist from Step 1 and report results to the user.

Step 5: Ask About Error Reports

Only if ruby lib/buttercut/report.rb consent prints error_reporting=unset — otherwise this user has already answered, so leave it alone.

Ask the two questions in skills/report-bug/SKILL.md (step 2), worded for a fresh install rather than a crash: "ButterCut sometimes hits errors. Want me to send those to the team so they can fix them?" Save the answers by setting error_reporting: and error_report_email: in libraries/settings.yaml.

Keep it to those two questions and move on — it's the last thing standing between them and their first cut.