dev: automated commit - 2025-06-08 23:28:55
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13 changed files with 1255 additions and 715 deletions
279
runs/limine_hibernate
Executable file
279
runs/limine_hibernate
Executable file
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#!/usr/bin/env bash
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# NAME: Configure hibernation for CachyOS with Limine bootloader
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# REQUIRES: sudo interactive
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set -euo pipefail
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# Source common functions
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source "$(dirname "$0")/../common.sh" || {
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echo "[ERROR] Could not source common.sh" >&2
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exit 1
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}
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readonly LIMINE_CONFIG="/etc/default/limine"
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readonly MKINITCPIO_CONFIG="/etc/mkinitcpio.conf"
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check_requirements() {
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local swap_uuid
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swap_uuid=$(blkid -t TYPE=swap -o value -s UUID | head -n1)
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if [[ -z "$swap_uuid" ]]; then
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log_error "No swap partition found"
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log_info "Please create a swap partition or swapfile before running this script"
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exit 1
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fi
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log_info "Found swap partition UUID: $swap_uuid"
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readonly SWAP_UUID="$swap_uuid"
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}
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escape_for_sed() {
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printf '%s\n' "$1" | sed 's/[[\.*^$()+?{|]/\\&/g'
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}
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show_diff_and_confirm() {
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local file="$1"
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local description="$2"
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local temp_file="$3"
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log_info "Proposed changes for $description"
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log_info "File: $file"
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echo
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if command_exists colordiff; then
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colordiff -u "$file" "$temp_file" || true
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else
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diff -u "$file" "$temp_file" || true
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fi
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echo
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confirm "Apply these changes?"
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}
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update_limine_config() {
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log_info "Updating Limine configuration"
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backup_file "$LIMINE_CONFIG"
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local current_cmdline new_cmdline changes_made=false
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current_cmdline=$(grep 'KERNEL_CMDLINE\[default\]' "$LIMINE_CONFIG" | cut -d'"' -f2)
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log_info "Current kernel cmdline: $current_cmdline"
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new_cmdline="$current_cmdline"
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if [[ ! "$new_cmdline" =~ resume= ]]; then
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new_cmdline="$new_cmdline resume=UUID=$SWAP_UUID"
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log_info "Adding resume parameter"
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changes_made=true
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fi
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if [[ ! "$new_cmdline" =~ ipv6.disable= ]]; then
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new_cmdline="$new_cmdline ipv6.disable=1"
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log_info "Adding ipv6.disable parameter"
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changes_made=true
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fi
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new_cmdline=$(echo "$new_cmdline" | sed 's/ */ /g' | sed 's/^ *//' | sed 's/ *$//')
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if [[ "$changes_made" == "true" ]]; then
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log_info "New kernel cmdline: $new_cmdline"
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local new_cmdline_escaped temp_file
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new_cmdline_escaped=$(escape_for_sed "$new_cmdline")
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temp_file=$(mktemp)
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sed "s|KERNEL_CMDLINE\[default\]=\".*\"|KERNEL_CMDLINE[default]=\"$new_cmdline_escaped\"|" "$LIMINE_CONFIG" >"$temp_file"
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if show_diff_and_confirm "$LIMINE_CONFIG" "LIMINE CONFIGURATION" "$temp_file"; then
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cp "$temp_file" "$LIMINE_CONFIG"
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log_info "Limine configuration updated successfully"
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rm "$temp_file"
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return 0
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else
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log_info "Skipping Limine configuration update"
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log_info "You can manually add: resume=UUID=$SWAP_UUID to your kernel cmdline"
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rm "$temp_file"
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return 1
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fi
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else
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log_info "Limine configuration already contains required parameters"
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return 1
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fi
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}
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update_mkinitcpio_config() {
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log_info "Updating mkinitcpio configuration"
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backup_file "$MKINITCPIO_CONFIG"
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if grep -q '^HOOKS=.*resume' "$MKINITCPIO_CONFIG"; then
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log_info "Resume hook already present in mkinitcpio.conf"
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return 1
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fi
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log_info "Adding resume hook to mkinitcpio.conf"
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local current_hooks new_hooks temp_file
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current_hooks=$(grep '^HOOKS=' "$MKINITCPIO_CONFIG")
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log_info "Current HOOKS: $current_hooks"
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new_hooks=$(echo "$current_hooks" | sed 's/filesystems/filesystems resume/' | sed 's/resume resume/resume/')
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if [[ ! "$new_hooks" =~ resume ]]; then
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new_hooks=$(echo "$current_hooks" | sed 's/)/ resume)/')
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fi
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log_info "New HOOKS: $new_hooks"
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local new_hooks_escaped
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new_hooks_escaped=$(escape_for_sed "$new_hooks")
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temp_file=$(mktemp)
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sed "s|^HOOKS=.*|$new_hooks_escaped|" "$MKINITCPIO_CONFIG" >"$temp_file"
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if show_diff_and_confirm "$MKINITCPIO_CONFIG" "MKINITCPIO CONFIGURATION" "$temp_file"; then
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cp "$temp_file" "$MKINITCPIO_CONFIG"
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log_info "mkinitcpio.conf updated successfully"
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rm "$temp_file"
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return 0
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else
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log_info "Skipping mkinitcpio.conf update"
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log_info "You can manually add 'resume' to your HOOKS array"
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rm "$temp_file"
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return 1
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fi
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}
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apply_system_changes() {
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local limine_updated="$1"
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local mkinitcpio_updated="$2"
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local operations_needed=()
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log_info "System updates required"
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if [[ "$mkinitcpio_updated" == "true" ]]; then
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operations_needed+=("Regenerate initramfs (mkinitcpio -P)")
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fi
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if [[ "$limine_updated" == "true" ]]; then
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operations_needed+=("Update Limine bootloader (limine-update)")
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fi
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if [[ ${#operations_needed[@]} -eq 0 ]]; then
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log_info "No system updates needed - configuration is already up to date"
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return 0
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fi
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log_info "The following operations need to be performed:"
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for i in "${!operations_needed[@]}"; do
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log_info " $((i + 1)). ${operations_needed[$i]}"
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done
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if ! confirm "Apply all pending system changes?" "y"; then
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log_warn "Skipping system updates"
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log_warn "Configuration files have been updated but system changes were not applied"
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log_info "You will need to manually run:"
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if [[ "$mkinitcpio_updated" == "true" ]]; then
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log_info " mkinitcpio -P"
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fi
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if [[ "$limine_updated" == "true" ]]; then
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log_info " limine-update"
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fi
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log_warn "Hibernation will not work until these commands are executed"
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return 1
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fi
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log_info "Applying system changes"
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if [[ "$mkinitcpio_updated" == "true" ]]; then
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log_info "Regenerating initramfs"
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if ! mkinitcpio -P; then
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log_error "Failed to regenerate initramfs"
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log_info "Please check the configuration and run 'mkinitcpio -P' manually"
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exit 1
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fi
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log_info "Initramfs regenerated successfully"
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fi
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if [[ "$limine_updated" == "true" ]]; then
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log_info "Updating Limine configuration"
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if ! limine-update; then
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log_error "Failed to update Limine bootloader"
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log_info "Please run 'limine-update' manually"
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exit 1
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fi
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log_info "Limine bootloader updated successfully"
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fi
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return 0
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}
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show_completion_summary() {
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local limine_updated="$1"
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local mkinitcpio_updated="$2"
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log_info "Hibernation configuration completed successfully"
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echo
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log_info "Configuration details:"
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log_info " - Swap UUID: $SWAP_UUID"
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if [[ "$limine_updated" == "true" ]]; then
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log_info " - Resume parameter added to kernel cmdline"
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log_info " - IPv6 disabled (optional optimization)"
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else
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log_info " - Kernel cmdline already configured"
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fi
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if [[ "$mkinitcpio_updated" == "true" ]]; then
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log_info " - Resume hook added to initramfs"
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else
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log_info " - Resume hook already present in initramfs"
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fi
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echo
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log_info "Backups created:"
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log_info " - $LIMINE_CONFIG.backup.*"
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log_info " - $MKINITCPIO_CONFIG.backup.*"
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echo
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log_info "Next steps:"
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log_info " 1. Reboot your system"
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log_info " 2. Test hibernation with: systemctl hibernate"
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log_info " 3. Wake up and verify everything works correctly"
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echo
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log_info "If you encounter issues, restore backups with:"
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log_info " cp $LIMINE_CONFIG.backup.* $LIMINE_CONFIG"
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log_info " cp $MKINITCPIO_CONFIG.backup.* $MKINITCPIO_CONFIG"
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log_info " mkinitcpio -P && limine-update"
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}
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main() {
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init_script
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check_requirements
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local limine_updated mkinitcpio_updated
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if update_limine_config; then
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limine_updated="true"
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else
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limine_updated="false"
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fi
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if update_mkinitcpio_config; then
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mkinitcpio_updated="true"
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else
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mkinitcpio_updated="false"
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fi
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if apply_system_changes "$limine_updated" "$mkinitcpio_updated"; then
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show_completion_summary "$limine_updated" "$mkinitcpio_updated"
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finish_script 0
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else
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finish_script 1
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fi
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}
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main "$@"
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