dev: automated commit - 2025-06-04 15:56:59
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3 changed files with 39 additions and 3 deletions
211
runs/limine
Executable file
211
runs/limine
Executable file
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#!/bin/bash
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# NAME: Script to transition from systemd-boot to Limine bootloader
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# REQUIRES: sudo
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set -euo pipefail
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echo "do you confirm this transition?"
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read -r -p "Are you sure? [y/N] " response
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if [[ "$response" != "y" ]]; then
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exit 0
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fi
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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print_status() { echo -e "${BLUE}[INFO]${NC} $1"; }
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print_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }
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print_warning() { echo -e "${YELLOW}[WARNING]${NC} $1"; }
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print_error() { echo -e "${RED}[ERROR]${NC} $1"; }
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if [[ $EUID -ne 0 ]]; then
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print_error "This script must be run as root (use sudo)"
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exit 1
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fi
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if ! command -v pacman &>/dev/null; then
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print_error "This script is designed for Arch Linux / CachyOS systems"
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exit 1
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fi
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print_status "Starting transition from systemd-boot to Limine..."
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ESP_PATH=""
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if command -v bootctl &>/dev/null; then
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ESP_PATH=$(bootctl --print-esp-path 2>/dev/null || echo "")
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fi
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if [[ -z "$ESP_PATH" ]]; then
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if [[ -d "/boot/EFI" ]]; then
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ESP_PATH="/boot"
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elif [[ -d "/efi/EFI" ]]; then
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ESP_PATH="/efi"
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else
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print_error "Could not detect ESP path"
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exit 1
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fi
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fi
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print_success "ESP detected at: $ESP_PATH"
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BACKUP_DIR="/root/bootloader-backup-$(date +%Y%m%d-%H%M%S)"
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mkdir -p "$BACKUP_DIR"
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[[ -d "$ESP_PATH/loader" ]] && cp -r "$ESP_PATH/loader" "$BACKUP_DIR/" 2>/dev/null || true
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[[ -d "$ESP_PATH/EFI/systemd" ]] && cp -r "$ESP_PATH/EFI/systemd" "$BACKUP_DIR/" 2>/dev/null || true
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efibootmgr -v >"$BACKUP_DIR/efibootmgr-backup.txt" 2>/dev/null || true
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print_success "Backup created at: $BACKUP_DIR"
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CURRENT_CMDLINE=""
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if [[ -f "/etc/kernel/cmdline" ]]; then
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CURRENT_CMDLINE=$(cat /etc/kernel/cmdline)
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print_status "Found existing /etc/kernel/cmdline: $CURRENT_CMDLINE"
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else
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CURRENT_CMDLINE=$(cat /proc/cmdline | sed 's/BOOT_IMAGE=[^ ]* //')
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print_status "Using current /proc/cmdline: $CURRENT_CMDLINE"
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fi
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print_status "Installing Limine and related packages..."
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pacman -S --needed --noconfirm limine limine-snapper-sync limine-mkinitcpio-hook
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print_success "Limine packages installed"
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print_status "Installing Limine bootloader to ESP..."
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mkdir -p "$ESP_PATH/EFI/Limine"
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if [[ -f "/usr/share/limine/limine_x64.efi" ]]; then
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cp /usr/share/limine/limine_x64.efi "$ESP_PATH/EFI/Limine/"
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elif [[ -f "/usr/share/limine/BOOTX64.EFI" ]]; then
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cp /usr/share/limine/BOOTX64.EFI "$ESP_PATH/EFI/Limine/limine_x64.efi"
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else
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print_error "Could not find Limine EFI files"
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exit 1
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fi
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print_success "Limine files installed to ESP"
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print_status "Creating UEFI boot entry for Limine..."
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ESP_DEVICE=$(df "$ESP_PATH" | tail -1 | awk '{print $1}')
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ESP_DISK=$(echo "$ESP_DEVICE" | sed 's/[0-9]*$//')
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ESP_PART_NUM=$(echo "$ESP_DEVICE" | sed 's/.*[^0-9]//')
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efibootmgr -c -d "$ESP_DISK" -p "$ESP_PART_NUM" -L "Limine" -l "\\EFI\\Limine\\limine_x64.efi" || {
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print_warning "Could not create UEFI boot entry automatically"
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}
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print_success "Limine UEFI boot entry created"
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print_status "Configuring kernel command line..."
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echo "$CURRENT_CMDLINE" >/etc/kernel/cmdline
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print_success "Kernel command line configured: $CURRENT_CMDLINE"
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print_status "Configuring Limine..."
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[[ ! -f "/etc/default/limine" ]] && cat >/etc/default/limine <<EOF
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SPACE_NUMBER=2
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ENABLE_VERIFICATION=yes
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BACKUP_THRESHOLD=8
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BOOT_ORDER="*, *fallback, Snapshots"
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ENABLE_SORT=no
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ENABLE_LIMINE_FALLBACK=no
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FIND_BOOTLOADERS=yes
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ROOT_SNAPSHOTS_PATH="/@snapshots"
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EOF
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print_status "Creating custom Limine configuration..."
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cat >"$ESP_PATH/limine.conf" <<'EOF'
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### Read more at config document: https://github.com/limine-bootloader/limine/blob/trunk/CONFIG.md
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timeout: 1
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### Note: For "default_entry" to select a sub-entry within an OS menu, modify "/OS name" to "/+OS name" to keep its submenus visible.
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default_entry: 2
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#interface_branding_color: 3
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interface_branding:
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hash_mismatch_panic: no
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term_palette: 1e1e2e;f38ba8;a6e3a1;f9e2af;89b4fa;f5c2e7;94e2d5;cdd6f4
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term_palette_bright: 585b70;f38ba8;a6e3a1;f9e2af;89b4fa;f5c2e7;94e2d5;cdd6f4
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term_background: 1e1e2e
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term_foreground: cdd6f4
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term_background_bright: 585b70
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term_foreground_bright: cdd6f4
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EOF
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print_status "Generating Limine boot entries..."
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limine-update
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print_success "Limine configuration created"
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print_status "Setting Limine as default boot option..."
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LIMINE_ENTRY=$(efibootmgr | grep "Limine" | head -1 | cut -c5-8)
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if [[ -n "$LIMINE_ENTRY" ]]; then
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CURRENT_ORDER=$(efibootmgr | grep "BootOrder" | cut -d' ' -f2)
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NEW_ORDER=$(echo "$CURRENT_ORDER" | sed "s/$LIMINE_ENTRY,//g" | sed "s/,$LIMINE_ENTRY//g" | sed "s/^$LIMINE_ENTRY$//g")
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if [[ -n "$NEW_ORDER" ]]; then
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efibootmgr -o "$LIMINE_ENTRY,$NEW_ORDER"
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else
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efibootmgr -o "$LIMINE_ENTRY"
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fi
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print_success "Limine set as default boot option"
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else
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print_warning "Could not find Limine boot entry to set as default"
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fi
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print_status "Removing systemd-boot components..."
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# Remove systemd-boot UEFI entries
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SYSTEMD_ENTRIES=$(efibootmgr | grep -i "Linux Boot Manager\|systemd" | cut -c5-8 || true)
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if [[ -n "$SYSTEMD_ENTRIES" ]]; then
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for entry in $SYSTEMD_ENTRIES; do
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print_status "Removing UEFI boot entry: Boot$entry"
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efibootmgr -b "$entry" -B || print_warning "Failed to remove boot entry $entry"
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done
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fi
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# Remove systemd-boot files from ESP
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if [[ -d "$ESP_PATH/EFI/systemd" ]]; then
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print_status "Removing systemd-boot EFI files..."
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rm -rf "$ESP_PATH/EFI/systemd"
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print_success "systemd-boot EFI files removed"
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fi
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if [[ -d "$ESP_PATH/loader" ]]; then
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print_status "Removing systemd-boot configuration..."
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rm -rf "$ESP_PATH/loader"
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print_success "systemd-boot configuration removed"
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fi
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if [[ -f "$ESP_PATH/limine.conf" ]]; then
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print_success "Limine configuration file exists"
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else
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print_error "Limine configuration file missing!"
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fi
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if [[ -f "$ESP_PATH/EFI/Limine/limine_x64.efi" ]]; then
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print_success "Limine EFI bootloader exists"
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else
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print_error "Limine EFI bootloader missing!"
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fi
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sudo pacman -S snap-pac
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sudo systemctl enable --now limine-snapper-sync.service
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echo
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print_success "TRANSITION COMPLETED SUCCESSFULLY!"
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echo
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print_status "Summary:"
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echo " • Limine bootloader installed to: $ESP_PATH/EFI/Limine/"
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echo " • Configuration file: $ESP_PATH/limine.conf"
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echo " • Kernel command line: /etc/kernel/cmdline"
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echo " • Backup created at: $BACKUP_DIR"
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echo " • Boot order updated"
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echo " • systemd-boot completely removed"
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echo
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print_warning "IMPORTANT: Reboot to test the new Limine setup!"
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print_warning "systemd-boot has been completely removed - ensure Limine works before removing backup!"
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print_success "Script completed. Please reboot when ready."
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