mirror of
https://github.com/basecamp/omarchy.git
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3dbebd7a4d
* Add option to enable/disable hibernation * Actually do it * Match hibernation toggle words * Both enable and disable * Match the tense * Match options * Remove excess CR
50 lines
1.8 KiB
Bash
Executable File
50 lines
1.8 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, and adds a resume hook to mkinitcpio.
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MEM_TOTAL_HUMAN="$(free --human |grep "Mem" |awk '{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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SWAP_SUBVOLUME="/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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else
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echo "Btrfs subvolume $SWAP_SUBVOLUME already exists"
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fi
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SWAP_FILE="$SWAP_SUBVOLUME/swapfile"
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if ! sudo swaplabel "$SWAP_FILE" &>/dev/null; then
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echo 'Creating swapfile in Btrfs subvolume'
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MEM_TOTAL_KB="$(grep MemTotal /proc/meminfo | awk '{print $2}')k"
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sudo btrfs filesystem mkswapfile -s "$MEM_TOTAL_KB" "$SWAP_FILE"
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else
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echo "File $SWAP_FILE already exists"
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fi
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if ! grep -Fq "$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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else
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echo "Swapfile $SWAP_FILE already exists in /etc/fstab"
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fi
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echo "Enabling swap on $SWAP_FILE with priority 0"
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sudo swapon -p 0 "$SWAP_FILE"
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sudo mkdir -p /etc/mkinitcpio.conf.d
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MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
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HOOKS_LINE='HOOKS+=(resume)'
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if [ ! -f "$MKINITCPIO_CONF" ] || ! grep -q "^${HOOKS_LINE}$" "$MKINITCPIO_CONF"; then
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echo "Adding resume hooks to $MKINITCPIO_CONF"
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echo "$HOOKS_LINE" | sudo tee -a "$MKINITCPIO_CONF" >/dev/null
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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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else
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echo "Hibernation hooks already enabled"
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fi
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fi
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