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omarchycn/install/login/limine-snapper.sh
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configure_snapper_root() {
if install_mode_is offline; then
# ISO installs configure Snapper in the orchestrator/archinstall phase with
# `snapper --no-dbus`, before this finalizer runs. snapperd/DBus are not
# available inside arch-chroot, so do not call plain `snapper` here.
if [[ ! -f /etc/snapper/configs/root ]]; then
echo "Error: offline install reached finalizer without /etc/snapper/configs/root" >&2
exit 1
fi
return
fi
if ! sudo snapper list-configs 2>/dev/null | grep -q "root"; then
sudo snapper -c root create-config /
fi
sudo cp "$OMARCHY_PATH/default/snapper/root" /etc/snapper/configs/root
}
if command -v limine &>/dev/null; then
sudo tee /etc/mkinitcpio.conf.d/omarchy_hooks.conf <<EOF >/dev/null
HOOKS=(base udev plymouth keyboard autodetect microcode modconf kms keymap consolefont block encrypt filesystems fsck btrfs-overlayfs)
EOF
sudo tee /etc/mkinitcpio.conf.d/thunderbolt_module.conf <<EOF >/dev/null
MODULES+=(thunderbolt)
EOF
# Detect boot mode
[[ -d /sys/firmware/efi ]] && EFI=true
# If /etc/default/limine is already populated with a real cmdline (the ISO
# orchestrator pre-writes it from the live install config), skip the
# find+harvest+template-copy dance — we already have what we need. The
# harvest path stays as a fallback for online reinstalls and any flow where
# /etc/default/limine wasn't pre-populated.
if [[ -f /etc/default/limine ]] && ! grep -q "@@CMDLINE@@" /etc/default/limine; then
CMDLINE=$(grep '^KERNEL_CMDLINE\[default\]+=' /etc/default/limine | head -1 |
sed 's|^KERNEL_CMDLINE\[default\]+="||; s|"$||')
if [[ -z ${CMDLINE// } ]]; then
echo "Error: /etc/default/limine has no KERNEL_CMDLINE[default]+= line" >&2
exit 1
fi
if [[ $CMDLINE != *root=* ]]; then
echo "Error: cmdline parsed from /etc/default/limine has no root=: $CMDLINE" >&2
exit 1
fi
else
# Find config location written by archinstall (legacy harvest path)
if [[ -f /boot/EFI/arch-limine/limine.conf ]]; then
limine_config="/boot/EFI/arch-limine/limine.conf"
elif [[ -f /boot/EFI/BOOT/limine.conf ]]; then
limine_config="/boot/EFI/BOOT/limine.conf"
elif [[ -f /boot/EFI/limine/limine.conf ]]; then
limine_config="/boot/EFI/limine/limine.conf"
elif [[ -f /boot/limine/limine.conf ]]; then
limine_config="/boot/limine/limine.conf"
elif [[ -f /boot/limine.conf ]]; then
limine_config="/boot/limine.conf"
else
echo "Error: Limine config not found" >&2
exit 1
fi
CMDLINE=$(grep "^[[:space:]]*cmdline:" "$limine_config" | head -1 | sed 's/^[[:space:]]*cmdline:[[:space:]]*//')
if [[ -z ${CMDLINE// } ]]; then
echo "Error: failed to extract kernel cmdline from $limine_config" >&2
exit 1
fi
if [[ $CMDLINE != *root=* ]]; then
echo "Error: extracted kernel cmdline has no root=: $CMDLINE" >&2
exit 1
fi
sudo cp $OMARCHY_PATH/default/limine/default.conf /etc/default/limine
sudo sed -i "s|@@CMDLINE@@|$CMDLINE|g" /etc/default/limine
fi
# Append any drop-in kernel cmdline configs (from hardware fix scripts, etc.)
for dropin in /etc/limine-entry-tool.d/*.conf; do
[ -f "$dropin" ] && cat "$dropin" | sudo tee -a /etc/default/limine >/dev/null
done
# 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 every alternate Limine config so limine-update can't pick a stale one
# over our /boot/limine.conf.
for stale in \
/boot/EFI/arch-limine/limine.conf \
/boot/EFI/BOOT/limine.conf \
/boot/EFI/limine/limine.conf \
/boot/limine/limine.conf; do
[[ -f $stale ]] && sudo rm -f "$stale"
done
limine_esp_path=/boot
if [[ -f /etc/default/limine ]]; then
# shellcheck disable=SC1091
source /etc/default/limine
limine_esp_path="${ESP_PATH:-/boot}"
fi
sudo cp "$OMARCHY_PATH/default/limine/limine.conf" "$limine_esp_path/limine.conf"
# limine-mkinitcpio-hook fired its post-transaction UKI build when archinstall
# pacstrapped it (via omarchy-limine's depends) BEFORE /etc/default/limine and
# /etc/kernel/cmdline existed, so the UKI on disk was built with an empty
# cmdline. Delete every stale UKI for installed kernels so limine-update only
# finds our about-to-be-rebuilt one.
if [[ -d "$limine_esp_path/EFI/Linux" ]]; then
while IFS= read -r kname; do
[[ -n $kname ]] || continue
sudo rm -f "$limine_esp_path/EFI/Linux/"*"_${kname}.efi" \
"$limine_esp_path/EFI/Linux/"*"_${kname}-fallback.efi"
done < <(cat /usr/lib/modules/*/pkgbase 2>/dev/null)
fi
# limine-update runs limine-install + limine-mkinitcpio (which reads
# /etc/default/limine's KERNEL_CMDLINE[default] via limine-entry-tool and
# embeds it into a freshly-built UKI). mkinitcpio -P alone does NOT trigger
# limine's UKI pipeline — only this command does.
sudo limine-update
# Only snapshot root — /home is user data; rolling it back loses user work.
configure_snapper_root
# Disable btrfs quotas — full qgroup accounting is a major performance drag
sudo btrfs quota disable / 2>/dev/null || true
chrootable_systemctl_enable limine-snapper-sync.service
LIMINE_CONFIGURED=true
fi
# Restore legacy hook moves from older offline installer paths. Current ISO
# installs mask/unmask hooks in the orchestrator, so these files usually do not
# exist; stay quiet unless there is real cleanup to do.
if [[ -f /usr/share/libalpm/hooks/90-mkinitcpio-install.hook.disabled || -f /usr/share/libalpm/hooks/60-mkinitcpio-remove.hook.disabled ]]; then
echo "Re-enabling mkinitcpio 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"
fi
# Final sanity check: assert the Limine config and UKI actually contain what
# they need to boot. Run AFTER snapper setup and hook re-enable so a
# validation failure doesn't leave the system half-configured.
if [[ ${LIMINE_CONFIGURED:-} == true ]]; then
if ! grep -q "^/+Omarchy" /boot/limine.conf; then
echo "Error: /boot/limine.conf does not contain an Omarchy entry" >&2
exit 1
fi
if [[ ${CMDLINE:-} == *cryptdevice=* ]] && ! grep -q "cryptdevice=" /boot/limine.conf; then
echo "Error: encrypted install but /boot/limine.conf has no cryptdevice=" >&2
exit 1
fi
fi
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