Macos Setup

check_network() {
    echo "=== Network Connectivity Check ==="
    echo ""

    # Test GitHub
    echo "Testing GitHub..."
    if curl -s --connect-timeout 5 https://github.com > /dev/null 2>&1; then
        echo "✅ GitHub: accessible"
    else
        echo "❌ GitHub: not accessible"
        NEED_PROXY=true
    fi

    # Test Google (for some Homebrew dependencies)
    echo "Testing Google..."
    if curl -s --connect-timeout 5 https://www.google.com > /dev/null 2>&1; then
        echo "✅ Google: accessible"
    else
        echo "❌ Google: not accessible"
        NEED_PROXY=true
    fi

    # Test Homebrew
    echo "Testing Homebrew..."
    if curl -s --connect-timeout 5 https://raw.githubusercontent.com > /dev/null 2>&1; then
        echo "✅ Homebrew sources: accessible"
    else
        echo "❌ Homebrew sources: not accessible"
        NEED_PROXY=true
    fi

    if [ "$NEED_PROXY" = true ]; then
        echo ""
        echo "⚠️  Network issues detected. Proxy configuration required."
        return 1
    fi

    echo ""
    echo "✅ Network OK - Ready to proceed"
    return 0
}

代理配置流程:

1. 询问用户代理信息: