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

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On Wed, 2016-03-02 at 10:09 -0500, Josh Boyer wrote:
> On Wed, Mar 2, 2016 at 9:38 AM, Hannes Frederic Sowa
> <hannes@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxx>
> >> ---
> >>   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.

I'm sorry, I try to dig a bit, but I did not find any distro agnostic
kernel removal tools. Can you please point out some ?

Elsewhere can we stuck with new-kernel-pkg, plus eventual fall-back to
other options, i.e. kernel-install?

Thank you,

Paolo

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