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CI: mkosi: Restore loading LKRG module from initrd

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For (non-grub) BLS boot - install generated by Dracut initrd into
systemd-boot loader entry.

Man pages for curious details: systemd-boot(7), bootctl(1),
kernel-install(8).

Link: https://github.com/lkrg-org/lkrg/pull/228#issuecomment-1235403740
Fixes: db42541 ("CI: mkosi: Do not assume grub is installed")
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
This commit is contained in:
Vitaly Chikunov 2022-09-03 04:20:19 +03:00 committed by Solar Designer
parent db42541477
commit b56b8758af
1 changed files with 18 additions and 2 deletions
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20
mkosi.postinst
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@ -11,8 +11,24 @@ if test -x /usr/bin/dracut; then
banner postinst >&2
# Register our module in kmod database.
depmod -a $KERNELRELEASE
# Install module into (and force load early in) initrd.
dracut --force --force-drivers lkrg /boot/initrd.img-$KERNELRELEASE $KERNELRELEASE
# Install module into (and force its load early in) initrd.
# Add lkrg by default for any dracut invocation w/o requirement of
# passing '--force-drivers lkrg' command line option.
echo 'force_drivers+=" lkrg "' > /etc/dracut.conf.d/31-lkrg.conf
dracut --force /boot/initrd.img-$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