Files
omarchy/install/login/limine-snapper.sh
2026-01-05 16:14:58 +01:00

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if command -v limine &>/dev/null; then
sudo pacman -S --noconfirm --needed limine-snapper-sync limine-mkinitcpio-hook
sudo tee /etc/mkinitcpio.conf.d/omarchy_hooks.conf <<EOF >/dev/null
HOOKS=(base udev plymouth keyboard autodetect microcode modconf kms keymap consolefont block encrypt filesystems fsck btrfs-overlayfs)
EOF
sudo tee /etc/mkinitcpio.conf.d/thunderbolt_module.conf <<EOF >/dev/null
MODULES+=(thunderbolt)
EOF
# Detect boot mode
[[ -d /sys/firmware/efi ]] && EFI=true
# Find config location
if [[ -f /boot/EFI/arch-limine/limine.conf ]]; then
limine_config="/boot/EFI/arch-limine/limine.conf"
elif [[ -f /boot/EFI/BOOT/limine.conf ]]; then
limine_config="/boot/EFI/BOOT/limine.conf"
elif [[ -f /boot/EFI/limine/limine.conf ]]; then
limine_config="/boot/EFI/limine/limine.conf"
elif [[ -f /boot/limine/limine.conf ]]; then
limine_config="/boot/limine/limine.conf"
elif [[ -f /boot/limine.conf ]]; then
limine_config="/boot/limine.conf"
else
echo "Error: Limine config not found" >&2
exit 1
fi
CMDLINE=$(grep "^[[:space:]]*cmdline:" "$limine_config" | head -1 | sed 's/^[[:space:]]*cmdline:[[:space:]]*//')
sudo cp $OMARCHY_PATH/default/limine/default.conf /etc/default/limine
sudo sed -i "s|@@CMDLINE@@|$CMDLINE|g" /etc/default/limine
# UKI and EFI fallback are EFI only
if [[ -z $EFI ]]; then
sudo sed -i '/^ENABLE_UKI=/d; /^ENABLE_LIMINE_FALLBACK=/d' /etc/default/limine
fi
# Remove the original config file if it's not /boot/limine.conf
if [[ "$limine_config" != "/boot/limine.conf" ]] && [[ -f "$limine_config" ]]; then
sudo rm "$limine_config"
fi
# We overwrite the whole thing knowing the limine-update will add the entries for us
sudo cp $OMARCHY_PATH/default/limine/limine.conf /boot/limine.conf
# Match Snapper configs if not installing from the ISO
if [[ -z ${OMARCHY_CHROOT_INSTALL:-} ]]; then
if ! sudo snapper list-configs 2>/dev/null | grep -q "root"; then
sudo snapper -c root create-config /
fi
if ! sudo snapper list-configs 2>/dev/null | grep -q "home"; then
sudo snapper -c home create-config /home
fi
fi
# Enable quota to allow space-aware algorithms to work
sudo btrfs quota enable /
# Tweak default Snapper configs
sudo sed -i 's/^TIMELINE_CREATE="yes"/TIMELINE_CREATE="no"/' /etc/snapper/configs/{root,home}
sudo sed -i 's/^NUMBER_LIMIT="50"/NUMBER_LIMIT="5"/' /etc/snapper/configs/{root,home}
sudo sed -i 's/^NUMBER_LIMIT_IMPORTANT="10"/NUMBER_LIMIT_IMPORTANT="5"/' /etc/snapper/configs/{root,home}
sudo sed -i 's/^SPACE_LIMIT="0.5"/SPACE_LIMIT="0.3"/' /etc/snapper/configs/{root,home}
sudo sed -i 's/^FREE_LIMIT="0.2"/FREE_LIMIT="0.3"/' /etc/snapper/configs/{root,home}
chrootable_systemctl_enable limine-snapper-sync.service
fi
echo "Re-enabling mkinitcpio hooks..."
# Restore the specific mkinitcpio pacman hooks
if [ -f /usr/share/libalpm/hooks/90-mkinitcpio-install.hook.disabled ]; then
sudo mv /usr/share/libalpm/hooks/90-mkinitcpio-install.hook.disabled /usr/share/libalpm/hooks/90-mkinitcpio-install.hook
fi
if [ -f /usr/share/libalpm/hooks/60-mkinitcpio-remove.hook.disabled ]; then
sudo mv /usr/share/libalpm/hooks/60-mkinitcpio-remove.hook.disabled /usr/share/libalpm/hooks/60-mkinitcpio-remove.hook
fi
echo "mkinitcpio hooks re-enabled"
sudo limine-update
if [[ -n $EFI ]] && efibootmgr &>/dev/null; then
# Remove the archinstall-created Limine entry
while IFS= read -r bootnum; do
sudo efibootmgr -b "$bootnum" -B >/dev/null 2>&1
done < <(efibootmgr | grep -E "^Boot[0-9]{4}\*? Arch Linux Limine" | sed 's/^Boot\([0-9]\{4\}\).*/\1/')
fi
# Move this to a utility to allow manual activation
# if [[ -n $EFI ]] && efibootmgr &>/dev/null &&
# ! cat /sys/class/dmi/id/bios_vendor 2>/dev/null | grep -qi "American Megatrends" &&
# ! cat /sys/class/dmi/id/bios_vendor 2>/dev/null | grep -qi "Apple"; then
#
# uki_file=$(find /boot/EFI/Linux/ -name "omarchy*.efi" -printf "%f\n" 2>/dev/null | head -1)
#
# if [[ -n "$uki_file" ]]; then
# sudo efibootmgr --create \
# --disk "$(findmnt -n -o SOURCE /boot | sed 's/p\?[0-9]*$//')" \
# --part "$(findmnt -n -o SOURCE /boot | grep -o 'p\?[0-9]*$' | sed 's/^p//')" \
# --label "Omarchy" \
# --loader "\\EFI\\Linux\\$uki_file"
# fi
# fi