linux-kernel - Re: [PATCH] kbuild/mkspec: clean boot loader configuration on rpm removal

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Message-ID: <CA+5PVA6hxOA89gTiz-t4oK7qB4ug63R1DkGVXZ0FcD8ArPqkrg@mail.gmail.com>
Date:	Wed, 2 Mar 2016 10:09:27 -0500
From:	Josh Boyer <jwboyer@...oraproject.org>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	Paolo Abeni <pabeni@...hat.com>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	Michal Marek <mmarek@...e.com>
Subject: Re: [PATCH] kbuild/mkspec: clean boot loader configuration on rpm removal

On Wed, Mar 2, 2016 at 9:38 AM, Hannes Frederic Sowa
<hannes@...essinduktion.org> wrote:
> On 02.03.2016 15:28, Paolo Abeni wrote:
>>
>> This patch add a rpm preuninstall scriptlet to cleanup the
>> boot loader configuration on kernel package uninstall.
>> The initrd for the to-be-removed kernel is deleted, too.
>>
>> Signed-off-by: Paolo Abeni <pabeni@...hat.com>
>> ---
>>   scripts/package/mkspec | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/scripts/package/mkspec b/scripts/package/mkspec
>> index fe44d68..b6de63c 100755
>> --- a/scripts/package/mkspec
>> +++ b/scripts/package/mkspec
>> @@ -138,6 +138,11 @@ echo "/sbin/installkernel $KERNELRELEASE
>> /boot/.vmlinuz-$KERNELRELEASE-rpm /boot
>>   echo "rm -f /boot/.vmlinuz-$KERNELRELEASE-rpm
>> /boot/.System.map-$KERNELRELEASE-rpm"
>>   echo "fi"
>>   echo ""
>> +echo "%preun"
>> +echo "if [ -x /sbin/new-kernel-pkg ]; then"
>> +echo "new-kernel-pkg --remove $KERNELRELEASE --rminitrd
>> --initrdfile=/boot/initramfs-$KERNELRELEASE.img"
>> +echo "fi"
>> +echo ""
>>   echo "%files"
>>   echo '%defattr (-, root, root)'
>>   echo "/lib/modules/$KERNELRELEASE"
>>
>
> Maybe we should also switch to new-kernel-pkg for the postinstall call? How
> about switching to kernel-install?

new-kernel-pkg probably shouldn't be used here either.  The
installkernel binary is the distro agnostic kernel installation tool
and the various distros provide that as either the tool they use or as
a wrapper.  Switching to new-kernel-pkg implies this would only be
viable on grubby based distros, and using kernel-install would require
systemd.

josh