mkosi.postinst

#!/bin/bash -exu
# mkosi.postinst - Install compiled module into initramfs and fix grub.

# Use kernel with highest version.
KERNELRELEASE=$(ls -d /lib/modules/* | sort -V | tail -1)
KERNELRELEASE=${KERNELRELEASE##/lib/modules/}

# mkosi phase 2
#(We only support bios i.e. grub boot here).
if test -x /usr/bin/dracut; then
	banner postinst >&2
	# Register our module in kmod database.
	depmod -a $KERNELRELEASE

	# Install module into (and force its load early in) initrd.

	# Add lkrg by default for any dracut invocation w/o requirement of
	# passing '--force-drivers lkrg' command line option.
	echo 'force_drivers+=" lkrg "' > /etc/dracut.conf.d/31-lkrg.conf
	dracut --force /boot/initrd.img-$KERNELRELEASE $KERNELRELEASE

	if [ -d /boot/loader/entries ]; then
		# Install into systemd-boot loader.

		# Because we pass INITRD argument to kernel-install, this will
		# skip calling dracut (saving time, because it would regenerate
		# ALL images) by mkosi hooks, but this will not delete old
		# 'initrd' file from its boot entry, which is not big deal.
		# Boot entry itself will not be duplicated.
		kernel-install add $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE /boot/initrd.img-$KERNELRELEASE
	fi
	if [ -e /etc/default/grub ]; then
		# Delete default cmdline which contains 'quiet splash' to see full boot log.
		sed -i /GRUB_CMDLINE_LINUX_DEFAULT/d /etc/default/grub
		update-grub
	fi
fi
exit 0