commit 067432610e1f38c6fb10d65e97b716ddbbe45d5e
Author: Justin Lin <wancat@wancat.cc>
Date:   Wed Oct 1 15:35:50 2025 +1000

    feat: mac setup script

diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..93fb98d
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,268 @@
+#!/bin/bash
+
+# Mac Setup Script - Install Git, Node.js, and Python
+# This script will install essential development tools on macOS
+
+set -e  # Exit on any error
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
+
+# Function to print colored output
+print_status() {
+    echo -e "${BLUE}[INFO]${NC} $1"
+}
+
+print_success() {
+    echo -e "${GREEN}[SUCCESS]${NC} $1"
+}
+
+print_warning() {
+    echo -e "${YELLOW}[WARNING]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# Function to check if command exists
+command_exists() {
+    command -v "$1" >/dev/null 2>&1
+}
+
+# Function to check if running on macOS
+check_macos() {
+    if [[ "$OSTYPE" != "darwin"* ]]; then
+        print_error "This script is designed for macOS only"
+        exit 1
+    fi
+}
+
+# Function to install Homebrew if not present
+install_homebrew() {
+    if command_exists brew; then
+        print_success "Homebrew is already installed"
+        print_status "Updating Homebrew..."
+        brew update
+    else
+        print_status "Installing Homebrew..."
+        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+        
+        # Add Homebrew to PATH for Apple Silicon Macs
+        if [[ $(uname -m) == "arm64" ]]; then
+            echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
+            eval "$(/opt/homebrew/bin/brew shellenv)"
+        fi
+    fi
+}
+
+# Function to install Git
+install_git() {
+    if command_exists git; then
+        print_success "Git is already installed: $(git --version)"
+    else
+        print_status "Installing Git..."
+        brew install git
+        print_success "Git installed successfully: $(git --version)"
+    fi
+}
+
+# Function to install Node.js
+install_nodejs() {
+    if command_exists node; then
+        print_success "Node.js is already installed: $(node --version)"
+        print_status "Node.js version: $(node --version)"
+        print_status "npm version: $(npm --version)"
+    else
+        print_status "Installing Node.js..."
+        brew install node
+        print_success "Node.js installed successfully: $(node --version)"
+        print_status "npm version: $(npm --version)"
+    fi
+}
+
+# Function to install Python
+install_python() {
+    if command_exists python3; then
+        print_success "Python3 is already installed: $(python3 --version)"
+    else
+        print_status "Installing Python..."
+        brew install python
+        print_success "Python installed successfully: $(python3 --version)"
+    fi
+    
+    # Check if pip is available
+    if command_exists pip3; then
+        print_success "pip3 is available: $(pip3 --version)"
+    else
+        print_warning "pip3 not found, installing..."
+        python3 -m ensurepip --upgrade
+    fi
+}
+
+# Function to install synchan
+install_synchan() {
+    local synchan_dir="$HOME/synchan"
+    
+    if [ -d "$synchan_dir" ]; then
+        print_warning "Synchan directory already exists at $synchan_dir"
+        read -p "Do you want to remove the existing directory and reinstall? [y/N]: " -n 1 -r
+        echo ""
+        if [[ $REPLY =~ ^[Yy]$ ]]; then
+            print_status "Removing existing synchan directory..."
+            rm -rf "$synchan_dir"
+        else
+            print_status "Skipping synchan installation"
+            return 0
+        fi
+    fi
+    
+    print_status "Installing synchan from https://github.com/lancatlin/synchan..."
+    
+    # Check if git is available
+    if ! command_exists git; then
+        print_error "Git is required to install synchan. Please install Git first."
+        return 1
+    fi
+    
+    # Check if yarn is available
+    if ! command_exists yarn; then
+        print_status "Yarn not found, installing yarn..."
+        if command_exists npm; then
+            npm install -g yarn
+        else
+            print_error "npm is required to install yarn. Please install Node.js first."
+            return 1
+        fi
+    fi
+    
+    # Clone the repository
+    print_status "Cloning synchan repository..."
+    if git clone https://github.com/lancatlin/synchan.git "$synchan_dir"; then
+        print_success "Repository cloned successfully"
+    else
+        print_error "Failed to clone synchan repository"
+        return 1
+    fi
+    
+    # Navigate to the directory and install dependencies
+    print_status "Installing dependencies with yarn..."
+    cd "$synchan_dir"
+    
+    if yarn install; then
+        print_success "Dependencies installed successfully"
+        print_success "Synchan installed at: $synchan_dir"
+        print_status "To use synchan, navigate to: cd $synchan_dir"
+    else
+        print_error "Failed to install dependencies with yarn"
+        return 1
+    fi
+    
+    # Return to original directory
+    cd - > /dev/null
+}
+
+# Function to install additional useful tools
+install_additional_tools() {
+    print_status "Installing additional useful development tools..."
+    
+    # Install common tools
+    brew install curl wget jq tree
+    
+    # Install development tools
+    brew install --cask visual-studio-code
+    brew install --cask iterm2
+    
+    print_success "Additional tools installed"
+}
+
+# Function to verify installations
+verify_installations() {
+    print_status "Verifying installations..."
+    
+    echo ""
+    print_status "=== Installation Summary ==="
+    
+    if command_exists git; then
+        print_success "✓ Git: $(git --version)"
+    else
+        print_error "✗ Git installation failed"
+    fi
+    
+    if command_exists node; then
+        print_success "✓ Node.js: $(node --version)"
+        print_success "✓ npm: $(npm --version)"
+    else
+        print_error "✗ Node.js installation failed"
+    fi
+    
+    if command_exists python3; then
+        print_success "✓ Python3: $(python3 --version)"
+        if command_exists pip3; then
+            print_success "✓ pip3: $(pip3 --version)"
+        fi
+    else
+        print_error "✗ Python3 installation failed"
+    fi
+    
+    if command_exists brew; then
+        print_success "✓ Homebrew: $(brew --version | head -n1)"
+    else
+        print_error "✗ Homebrew installation failed"
+    fi
+    
+    # Check synchan installation
+    if [ -d "$HOME/synchan" ]; then
+        print_success "✓ Synchan: Installed at $HOME/synchan"
+    else
+        print_warning "⚠ Synchan: Not installed"
+    fi
+}
+
+# Main execution
+main() {
+    print_status "Starting Mac development environment setup..."
+    print_status "This script will install: Git, Node.js, Python, Homebrew, and optionally synchan"
+    echo ""
+    
+    # Check if running on macOS
+    check_macos
+    
+    # Install Homebrew first (required for other packages)
+    install_homebrew
+    
+    # Install core development tools
+    install_git
+    install_nodejs
+    install_python
+    
+    # Ask if user wants to install synchan
+    echo ""
+    read -p "Do you want to install synchan from GitHub? [y/N]: " -n 1 -r
+    echo ""
+    if [[ $REPLY =~ ^[Yy]$ ]]; then
+        install_synchan
+    fi
+    
+    # Ask if user wants additional tools
+    echo ""
+    read -p "Do you want to install additional development tools (VS Code, iTerm2, etc.)? [y/N]: " -n 1 -r
+    echo ""
+    if [[ $REPLY =~ ^[Yy]$ ]]; then
+        install_additional_tools
+    fi
+    
+    # Verify all installations
+    verify_installations
+    
+    echo ""
+    print_success "Setup complete! Your Mac development environment is ready."
+    print_status "You may need to restart your terminal or run 'source ~/.zprofile' to use the new tools."
+}
+
+# Run main function
+main "$@"
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