Alan Sikora
dd86a893cb
The hook prevents gvfsd-fuse from blocking suspend, not just hibernation. Install it during the config phase so every system gets it, not only those that run hibernation setup.
101 lines
3.4 KiB
Bash
Executable File
101 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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# Creates a swap file in the btrfs subvolume, adds the swap file to /etc/fstab,
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# adds a resume hook to mkinitcpio, and configures suspend-then-hibernate.
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if [[ ! -f /sys/power/image_size ]]; then
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echo -e "Hibernation is not supported on your system" >&2
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exit 0
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fi
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if ! command -v limine-mkinitcpio &>/dev/null; then
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echo "Skipping hibernation setup (requires Limine bootloader)"
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exit 0
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fi
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MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
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# Check if hibernation is already configured
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if [[ -f $MKINITCPIO_CONF ]] && grep -q "^HOOKS+=(resume)$" "$MKINITCPIO_CONF"; then
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echo "Hibernation is already set up"
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exit 0
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fi
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if [[ $1 != "--force" ]]; then
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MEM_TOTAL_HUMAN=$(free --human | awk '/Mem/ {print $2}')
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if ! gum confirm "Use $MEM_TOTAL_HUMAN on boot drive to make hibernation available?"; then
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exit 0
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fi
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fi
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SWAP_SUBVOLUME="/swap"
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SWAP_FILE="$SWAP_SUBVOLUME/swapfile"
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# Create btrfs subvolume for swap
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if ! sudo btrfs subvolume show "$SWAP_SUBVOLUME" &>/dev/null; then
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echo "Creating Btrfs subvolume"
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sudo btrfs subvolume create "$SWAP_SUBVOLUME"
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sudo chattr +C "$SWAP_SUBVOLUME"
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fi
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# Create swapfile
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if ! sudo swaplabel "$SWAP_FILE" &>/dev/null; then
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echo "Creating swapfile in Btrfs subvolume"
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MEM_TOTAL_KB="$(awk '/MemTotal/ {print $2}' /proc/meminfo)k"
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sudo btrfs filesystem mkswapfile -s "$MEM_TOTAL_KB" "$SWAP_FILE"
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fi
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# Add swapfile to fstab
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if ! grep -Fq "$SWAP_FILE" /etc/fstab; then
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echo "Adding swapfile to /etc/fstab"
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sudo cp -a /etc/fstab "/etc/fstab.$(date +%Y%m%d%H%M%S).back"
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printf "\n# Btrfs swapfile for system hibernation\n%s none swap defaults,pri=0 0 0\n" "$SWAP_FILE" | sudo tee -a /etc/fstab >/dev/null
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fi
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# Enable swap
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if ! swapon --show | grep -q "$SWAP_FILE"; then
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echo "Enabling swap on $SWAP_FILE"
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sudo swapon -p 0 "$SWAP_FILE"
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fi
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# Add resume hook to mkinitcpio
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sudo mkdir -p /etc/mkinitcpio.conf.d
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echo "Adding resume hook to $MKINITCPIO_CONF"
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echo "HOOKS+=(resume)" | sudo tee "$MKINITCPIO_CONF" >/dev/null
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# Ensure keyboard backlight doesn't prevent sleep
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sudo cp -p "$OMARCHY_PATH/default/systemd/system-sleep/keyboard-backlight" /usr/lib/systemd/system-sleep/
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# Add resume= kernel parameters so the initramfs resume hook knows where to find the
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# hibernation image. Without these, resume happens late (after GPU drivers load) and fails.
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RESUME_DROP_IN="/etc/limine-entry-tool.d/resume.conf"
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if [[ ! -f $RESUME_DROP_IN ]]; then
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echo "Adding resume kernel parameters"
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sudo swapon -p 0 "$SWAP_FILE" 2>/dev/null
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RESUME_DEVICE=$(findmnt -no SOURCE -T "$SWAP_FILE" | sed 's/\[.*\]//')
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RESUME_OFFSET=$(btrfs inspect-internal map-swapfile -r "$SWAP_FILE")
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sudo mkdir -p /etc/limine-entry-tool.d
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echo "KERNEL_CMDLINE[default]+=\" resume=$RESUME_DEVICE resume_offset=$RESUME_OFFSET\"" | sudo tee "$RESUME_DROP_IN" >/dev/null
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fi
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# Use ACPI alarm for RTC wakeup on s2idle systems (needed for suspend-then-hibernate)
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if grep -q "\[s2idle\]" /sys/power/mem_sleep 2>/dev/null; then
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LIMINE_DROP_IN="/etc/limine-entry-tool.d/rtc-alarm.conf"
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if [[ ! -f $LIMINE_DROP_IN ]]; then
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echo "Enabling ACPI RTC alarm for s2idle suspend"
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sudo mkdir -p /etc/limine-entry-tool.d
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echo 'KERNEL_CMDLINE[default]+=" rtc_cmos.use_acpi_alarm=1"' | sudo tee "$LIMINE_DROP_IN" >/dev/null
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fi
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fi
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# Regenerate initramfs and boot entry
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echo "Regenerating initramfs..."
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sudo limine-mkinitcpio
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sudo limine-update
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echo
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if [[ $1 != "--force" ]] && gum confirm "Reboot to enable hibernation?"; then
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omarchy-system-reboot
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fi
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