Add sleep-then-hibernate after 30 minutes

Taken from
https://hacktheplanet.be/spells/Linux/4-suspend-then-hibernate-in-omarchy/

bin/omarchy-hibernation-remove

@@ -1,17 +1,22 @@
 #!/bin/bash
 
-# Removes hibernation setup: disables swap, removes swapfile, removes fstab entry, and removes resume hook.
+# Removes hibernation setup: disables swap, removes swapfile, removes fstab entry,
+# removes resume hook, and removes suspend-then-hibernate configuration.
+
+MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
 
 # Check if hibernation is configured
-if [ ! -f /etc/mkinitcpio.conf.d/omarchy_resume.conf ] || ! grep -q "^HOOKS+=(resume)$" /etc/mkinitcpio.conf.d/omarchy_resume.conf; then
+if [ ! -f "$MKINITCPIO_CONF" ] || ! grep -q "^HOOKS+=(resume)$" "$MKINITCPIO_CONF"; then
   echo "Hibernation is not set up"
   exit 0
 fi
 
-if gum confirm "Remove hibernation setup?"; then
+if ! gum confirm "Remove hibernation setup?"; then
+  exit 0
+fi
+
 SWAP_SUBVOLUME="/swap"
 SWAP_FILE="$SWAP_SUBVOLUME/swapfile"
-  MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
 
 # Disable swap if active
 if swapon --show | grep -q "$SWAP_FILE"; then
@@ -36,18 +41,19 @@ if gum confirm "Remove hibernation setup?"; then
   echo "Removing swapfile from /etc/fstab"
   sudo cp -a /etc/fstab "/etc/fstab.$(date +%Y%m%d%H%M%S).back"
   sudo sed -i "\|$SWAP_FILE|d" /etc/fstab
-    # Also remove the comment line if present
   sudo sed -i '/^# Btrfs swapfile for system hibernation$/d' /etc/fstab
 fi
 
+# Remove suspend-then-hibernate configuration
+echo "Removing suspend-then-hibernate configuration"
+sudo rm -f /etc/systemd/logind.conf.d/lid.conf
+sudo rm -f /etc/systemd/sleep.conf.d/hibernate.conf
+
 # Remove mkinitcpio resume hook
-  if [ -f "$MKINITCPIO_CONF" ]; then
-    echo "Removing resume hook from $MKINITCPIO_CONF"
+echo "Removing resume hook"
 sudo rm "$MKINITCPIO_CONF"
 
 echo "Regenerating initramfs..."
 sudo limine-mkinitcpio
-  fi
 
 echo "Hibernation removed"
-fi

bin/omarchy-hibernation-setup

@@ -1,49 +1,63 @@
 #!/bin/bash
 
-# Creates a swap file in the btrfs subvolume, adds the swap file to /etc/fstab, and adds a resume hook to mkinitcpio.
+# Creates a swap file in the btrfs subvolume, adds the swap file to /etc/fstab,
+# adds a resume hook to mkinitcpio, and configures suspend-then-hibernate.
+
+MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
+
+# Check if hibernation is already configured
+if [ -f "$MKINITCPIO_CONF" ] && grep -q "^HOOKS+=(resume)$" "$MKINITCPIO_CONF"; then
+  echo "Hibernation is already set up"
+  exit 0
+fi
+
+MEM_TOTAL_HUMAN=$(free --human | awk '/Mem/ {print $2}')
+if ! gum confirm "Use $MEM_TOTAL_HUMAN on boot drive to make hibernation available?"; then
+  exit 0
+fi
 
-MEM_TOTAL_HUMAN="$(free --human |grep "Mem" |awk '{print $2}')"
-if gum confirm "Use $MEM_TOTAL_HUMAN on boot drive to make hibernation available?"; then
 SWAP_SUBVOLUME="/swap"
-  if ! sudo btrfs subvolume show $SWAP_SUBVOLUME &>/dev/null ; then
-    echo 'Creating Btrfs subvolume'
-    sudo btrfs subvolume create "$SWAP_SUBVOLUME"
-  else
-    echo "Btrfs subvolume $SWAP_SUBVOLUME already exists"
-  fi
-
 SWAP_FILE="$SWAP_SUBVOLUME/swapfile"
-  if ! sudo swaplabel "$SWAP_FILE" &>/dev/null; then
-    echo 'Creating swapfile in Btrfs subvolume'
-    MEM_TOTAL_KB="$(grep MemTotal /proc/meminfo | awk '{print $2}')k"
-    sudo btrfs filesystem mkswapfile -s "$MEM_TOTAL_KB" "$SWAP_FILE"
-  else
-    echo "File $SWAP_FILE already exists"
+
+# Create btrfs subvolume for swap
+if ! sudo btrfs subvolume show "$SWAP_SUBVOLUME" &>/dev/null; then
+  echo "Creating Btrfs subvolume"
+  sudo btrfs subvolume create "$SWAP_SUBVOLUME"
 fi
 
+# Create swapfile
+if ! sudo swaplabel "$SWAP_FILE" &>/dev/null; then
+  echo "Creating swapfile in Btrfs subvolume"
+  MEM_TOTAL_KB="$(awk '/MemTotal/ {print $2}' /proc/meminfo)k"
+  sudo btrfs filesystem mkswapfile -s "$MEM_TOTAL_KB" "$SWAP_FILE"
+fi
+
+# Add swapfile to fstab
 if ! grep -Fq "$SWAP_FILE" /etc/fstab; then
   echo "Adding swapfile to /etc/fstab"
   sudo cp -a /etc/fstab "/etc/fstab.$(date +%Y%m%d%H%M%S).back"
   printf "\n# Btrfs swapfile for system hibernation\n%s none swap defaults,pri=0 0 0\n" "$SWAP_FILE" | sudo tee -a /etc/fstab >/dev/null
-  else
-    echo "Swapfile $SWAP_FILE already exists in /etc/fstab"
 fi
 
-  echo "Enabling swap on $SWAP_FILE with priority 0"
+# Enable swap
+if ! swapon --show | grep -q "$SWAP_FILE"; then
+  echo "Enabling swap on $SWAP_FILE"
   sudo swapon -p 0 "$SWAP_FILE"
+fi
 
+# Add resume hook to mkinitcpio
 sudo mkdir -p /etc/mkinitcpio.conf.d
+echo "Adding resume hook to $MKINITCPIO_CONF"
+echo "HOOKS+=(resume)" | sudo tee "$MKINITCPIO_CONF" >/dev/null
 
-  MKINITCPIO_CONF="/etc/mkinitcpio.conf.d/omarchy_resume.conf"
-  HOOKS_LINE='HOOKS+=(resume)'
-  if [ ! -f "$MKINITCPIO_CONF" ] || ! grep -q "^${HOOKS_LINE}$" "$MKINITCPIO_CONF"; then
-    echo "Adding resume hooks to $MKINITCPIO_CONF"
-    echo "$HOOKS_LINE" | sudo tee -a "$MKINITCPIO_CONF" >/dev/null
+# Configure suspend-then-hibernate
+echo "Configuring suspend-then-hibernate"
+sudo mkdir -p /etc/systemd/logind.conf.d /etc/systemd/sleep.conf.d
+sudo cp "$OMARCHY_DIR/defaults/systemd/lid.conf" /etc/systemd/logind.conf.d/
+sudo cp "$OMARCHY_DIR/defaults/systemd/hibernate.conf" /etc/systemd/sleep.conf.d/
 
+# Regenerate initramfs
 echo "Regenerating initramfs..."
 sudo limine-mkinitcpio
+
 echo "Hibernation enabled"
-  else
-    echo "Hibernation hooks already enabled"
-  fi
-fi

defaults/systemd/hibernate.conf

@@ -0,0 +1,3 @@
+[Sleep]
+HibernateDelaySec=30min
+HibernateOnACPower=no

defaults/systemd/lid.conf

@@ -0,0 +1,2 @@
+[Login]
+HandleLidSwitch=suspend-then-hibernate