archy/image-recipe/write-usb-dd.sh

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#!/bin/bash
#
# Write Archipelago ISO to USB using dd
#
# Usage: ./write-usb-dd.sh /dev/diskN
#
set -e
if [ -z "$1" ]; then
echo "Usage: $0 /dev/diskN"
echo ""
echo "Available disks:"
diskutil list external
exit 1
fi
USB_DISK="$1"
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
ISO_FILE="$SCRIPT_DIR/results/archipelago-debian-12-x86_64.iso"
if [ ! -f "$ISO_FILE" ]; then
echo "❌ ISO not found: $ISO_FILE"
echo ""
echo "Build the ISO first with: ./build-debian-iso.sh"
exit 1
fi
# Get raw disk for faster writes
RAW_DISK="${USB_DISK/disk/rdisk}"
echo "╔════════════════════════════════════════════════════════╗"
echo "║ Write Archipelago ISO to USB ║"
echo "╚════════════════════════════════════════════════════════╝"
echo ""
echo "⚠️ WARNING: This will COMPLETELY ERASE $USB_DISK"
echo ""
echo "📀 ISO: $(basename "$ISO_FILE")"
echo "💾 USB: $USB_DISK (raw: $RAW_DISK)"
echo ""
echo "Press Ctrl+C to cancel, or Enter to continue..."
read
echo "🔓 Unmounting USB..."
diskutil unmountDisk "$USB_DISK" || true
echo ""
echo "📝 Writing ISO with dd (this may take a few minutes)..."
echo " Using raw disk $RAW_DISK for faster write..."
echo ""
# Use dd to write the ISO directly
sudo dd if="$ISO_FILE" of="$RAW_DISK" bs=4m status=progress
echo ""
echo "🔄 Syncing..."
sync
echo ""
echo "✅ Done! USB is ready."
echo ""
echo "Now:"
echo " 1. Eject the USB safely: diskutil eject $USB_DISK"
echo " 2. Insert into target machine"
echo " 3. Boot from USB (F12 or similar for boot menu)"
echo ""
echo "Default login (live mode):"
echo " Username: user"
echo " Password: live"