How to best rebase from f34 to f35 with layered rpm packages?

Project Discussion
1

Hi,

I am currently running f34 silverblue with some layered rpm packages and am planning to upgrade to f35 when it is GA.

$ RPMS="libvirt virt-manager virt-top virt-viewer python3-libguestfs libvirt-daemon-kvm qemu-kvm libvirt-daemon-config-network libguestfs-tools virt-install fedora-workstation-repositories gnome-tweaks power-profiles-daemon google-chrome-stable"

What will be the correct (or best) way to rebase from f34 to f35 with these layered rpm packages?

(1) Just rebase - ignoring the layered rpm packages?

$ rpm-ostree rebase fedora:fedora/35/x86_64/silverblue
$ systemctl reboot

(2) Uninstall layered rpm packages, rebase, reinstall layered rpm packages?

$ rpm-ostree uninstall $RPMS
$ systemctl reboot
$ rpm-ostree rebase fedora:fedora/35/x86_64/silverblue
$ systemctl reboot
$ rpm-ostree install $RPMS
$ systemctl reboot

(3) Reset layered rpm packages, rebase, reinstall layered rpm packages?

$ rpm-ostree reset
$ systemctl reboot
$ rpm-ostree rebase fedora:fedora/35/x86_64/silverblue
$ systemctl reboot
$ rpm-ostree install $RPMS
$ systemctl reboot

(4) Uninstall rpms, rebase, reinstall rpms in a single command?

$ rpm-ostree rebase fedora:fedora/35/x86_64/silverblue \
    $(echo $RPMS | xargs -n1 echo "--uninstall") \
    $(echo $RPMS | xargs -n1 echo "--install")
$ systemctl reboot

Are those many reboots in cases (2) and (3) all necessary?

best regards
Armin.

2

In most cases you can just use rebase directly and that should work. In any case, rpm-ostree will warn you in case of issues and abort the transaction. Option 3 is usually a good workaround when facing hard to work around issues.

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3

Rebase should just work. The only issue with the rebase was from fedora 33 to fedora 34 when there was a rpmdb backend switch. In some cases rpm-ostree did not handle it correctly, so in some cases uninstall of overlay packages was needed. But there is no issue while upgrade from 34 to 35

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4

Rebasing to f35 worked like charm, no problems detected after some hours of working with it. A.

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