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limine-snapper.sh: write /etc/kernel/cmdline and rebuild UKI

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In the package-based install, omarchy-limine is a hard dep of omarchy,
so archinstall pacstraps limine-mkinitcpio-hook (via omarchy-limine's
depends) early. That triggers a UKI build BEFORE limine-snapper.sh
runs, which means the UKI is built with no kernel cmdline (the
'Kernel command line is not available' warning in the archinstall log).
The system then can't unlock the LUKS root on boot because the encrypt
hook has no cryptdevice= to act on, and drops to an emergency shell.

The previous flow worked because 'pacman -S limine-mkinitcpio-hook'
inside limine-snapper.sh installed the hook for the first time, firing
its post-transaction UKI rebuild AFTER /etc/default/limine had been
written. With it pre-installed, '--needed' makes that line a no-op.

Fix: after writing /etc/default/limine, write the same cmdline to
/etc/kernel/cmdline (the source mkinitcpio --uki reads) and explicitly
run mkinitcpio -P to rebuild the UKIs with the correct cmdline.
This commit is contained in:
Ryan Hughes
2026-06-04 18:34:35 -04:00
parent a481c17846
commit 53a07811c8
1 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
install/login/limine-snapper.sh
+13 -1
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@@ -53,7 +53,19 @@ EOF
# We overwrite the whole thing knowing the limine-update will add the entries for us
sudo cp $OMARCHY_PATH/default/limine/limine.conf /boot/limine.conf
sudo pacman -S --noconfirm --needed limine-snapper-sync limine-mkinitcpio-hook
# The UKI must embed the kernel cmdline (read by mkinitcpio --uki from
# /etc/kernel/cmdline) so the early encrypt hook can find cryptdevice=...
# to unlock /dev/mapper/root. archinstall doesn't write this file; the
# initial UKI built when limine-mkinitcpio-hook was pulled in via
# omarchy-limine's depends was built with an empty cmdline, dropping us
# to the emergency shell on first boot.
echo "$CMDLINE" | sudo tee /etc/kernel/cmdline >/dev/null
# Force a UKI rebuild now that /etc/default/limine and /etc/kernel/cmdline
# exist. limine-snapper-sync and limine-mkinitcpio-hook are already
# installed (via omarchy-limine's depends), so 'pacman -S --needed' here
# is a no-op and won't re-trigger the post-transaction UKI rebuild.
sudo mkinitcpio -P
# Only snapshot root — /home is user data; rolling it back loses user work
if ! sudo snapper list-configs 2>/dev/null | grep -q "root"; then