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https://github.com/basecamp/omarchy.git
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65 lines
2.1 KiB
Bash
Executable File
65 lines
2.1 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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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 "$MKINITCPIO_CONF" ] && grep -q "^HOOKS+=(resume)$" "$MKINITCPIO_CONF"; then
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echo "Hibernation is already set up"
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exit 0
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fi
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MEM_TOTAL_HUMAN=$(free --human | awk '/Mem/ {print $2}')
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if ! gum confirm "Use $MEM_TOTAL_HUMAN on boot drive to make hibernation available?"; then
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exit 0
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fi
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SWAP_SUBVOLUME="/swap"
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SWAP_FILE="$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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# Configure suspend-then-hibernate
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echo "Configuring suspend-then-hibernate"
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sudo mkdir -p /etc/systemd/logind.conf.d /etc/systemd/sleep.conf.d
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sudo cp "$OMARCHY_PATH/defaults/systemd/lid.conf" /etc/systemd/logind.conf.d/
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sudo cp "$OMARCHY_PATH/defaults/systemd/hibernate.conf" /etc/systemd/sleep.conf.d/
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# Regenerate initramfs
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echo "Regenerating initramfs..."
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sudo limine-mkinitcpio
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echo "Hibernation enabled"
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