build.sh

#!/bin/bash
# Aurora OS Build Script

echo "🌟 Aurora OS Builder"
echo "==================="
echo ""

# Check for dependencies
command -v nasm >/dev/null 2>&1 || {
    echo "ERROR: nasm not found. Please install with: sudo pacman -S nasm"
    exit 1
}

# Build Aurora OS v3 (most feature-rich)
echo "[+] Building Aurora OS v3..."
nasm -f bin aurora-final.asm -o aurora.bin

# Check if build succeeded
if [ ! -f aurora.bin ]; then
    echo "ERROR: Build failed"
    exit 1
fi

# Verify boot signature
echo "[+] Verifying boot sector..."
tail -c 2 aurora.bin | od -An -tx1 | grep -q "55 aa" && echo "✓ Boot signature verified" || {
    echo "ERROR: Boot signature missing"
    exit 1
}

# Create disk image if QEMU available
if command -v qemu-system-x86_64 >/dev/null 2>&1; then
    echo "[+] Creating disk image..."
    dd if=/dev/zero of=aurora.img bs=512 count=2880 2>/dev/null
    dd if=aurora.bin of=aurora.img conv=notrunc 2>/dev/null
    
    echo ""
    echo "🏁 Build complete!"
    echo ""
    echo "To run Aurora OS in QEMU:"
    echo "  qemu-system-x86_64 -drive format=raw,file=aurora.img"
    echo ""
    echo "Features:"
    echo "• Aurora OS v3.0 with interactive menu"
    echo "• System information display"
    echo "• Basic shell interface"
    echo "• ESC/q to quit/reboot"
    echo ""
    
    # Run automatically
    read -p "Run Aurora OS now? (y/n): " -n 1 -r
    echo
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        echo "[+] Starting QEMU..."
        qemu-system-x86_64 -drive format=raw,file=aurora.img -monitor stdio
    fi
else
    echo ""
    echo "✅ Build complete! File: aurora.bin"
    echo "(QEMU not available - ready to boot from USB)"
fi