Basic setup for development on mac

mac-setup.sh

#!/usr/bin/env zsh
set -e

# Helper function to check if a Homebrew package is installed
is_brew_installed() {
  brew list "$1" >/dev/null 2>&1
}

echo "==> Checking Xcode Command Line Tools"
xcode-select -p >/dev/null 2>&1 || xcode-select --install

echo "==> Handling Homebrew"
if ! command -v brew >/dev/null 2>&1; then
  echo "Installing Homebrew..."
  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
else
  # Skip 'brew upgrade' entirely to save time. 
  # Only update the package list if it's older than 24 hours.
  echo "Homebrew detected. Skipping global upgrade for speed."
fi

# Fix the specific error you saw: Remove the deprecated/broken tap
if brew tap | grep -q "homebrew/cask-versions"; then
  echo "Removing deprecated homebrew/cask-versions tap..."
  brew untap homebrew/cask-versions || true
fi

echo "==> Handling Ruby"
if is_brew_installed "ruby"; then
  echo "Ruby is already installed. Skipping."
else
  brew install ruby
fi

echo "==> Handling NVM"
if [ ! -d "$HOME/.nvm" ]; then
  curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/HEAD/install.sh | bash
fi

# Load NVM without polluting shell output
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"

echo "==> Handling Node 22"
# Only install if not already the active version
if [[ "$(node -v 2>/dev/null)" != v22* ]]; then
  nvm install 22
  nvm alias default 22
  nvm use default
else
  echo "Node 22 already active."
fi

## Enable Corepack and prepare Yarn 1.22.22
echo "==> Enabling Corepack"
corepack enable

# Prepare Yarn 1.22.22 and set it as the active version
# The Azure Pipelines has issues with Yarn berry so we
# haven't migrated to it yet. This ensures we have the 
# correct version of Yarn available.
corepack prepare [email protected] --activate

echo "✅ macOS dev environment ready"