Re: Any way to restore or fast reinstall an installed flatpak?

[Robin Lee <robinlee sysu gmail com>]

On Thu, Apr 5, 2018 at 10:21 PM, Alexander Larsson <alexl redhat com> wrote:
> On Thu, Apr 5, 2018 at 4:08 PM, Alexander Larsson <alexl redhat com> wrote:
> > On Thu, Apr 5, 2018 at 3:03 PM, Robin Lee <robinlee sysu gmail com> wrote:
> > > $ ostree fsck --repo=$HOME/.local/share/flatpak/repo --delete
> > > Validating refs...
> > > Enumerating objects...
> > > Verifying content integrity of 16 commit objects...
> > >
> > > fsck objects (48647/72169) [========     ]  67%fsck content object
> > > b5eeec19a429c594e684f64c1bc84f717b9b6596e3f75fc8197421d94f560c61:
> > > Corrupted file object; checksum
> > > expected='b5eeec19a429c594e684f64c1bc84f717b9b6596e3f75fc8197421d94f560c61'
> > > actual='b7431d71c722e8edb2f4f11b1603ebcfa281e7a598757fa7631355a40fbac986'
> > > fsck objects (72169/72169) [=============] 100%
> > > 6 partial commits not verified
> > > error: Repository corruption encountered
> > >
> > > After running this, runtime reinstall will fail:
> > >
> > > $ flatpak --user install  flathub org.freedesktop.Sdk/x86_64/1.6
> > > Installing for user: org.freedesktop.Sdk/x86_64/1.6 from flathub
> > > [####################] 1 metadata, 0 content objects fetched; 569 B
> > > transferred in 6 seconds
> > > error: While trying to checkout
> > > 07b0e89b0f6c4f72bbeb101f89d5c16ffab2a1f3d2e317b5ecc2adf8ead585ba into
> > > /home/cheese/.local/share/flatpak/runtime/org.freedesktop.Sdk/x86_64/1.6/.07b0e89b0f6c4f72bbeb101f89d5c16ffab2a1f3d2e317b5ecc2adf8ead585ba-68YTGZ:
> > > Couldn't find file object
> > > 'b5eeec19a429c594e684f64c1bc84f717b9b6596e3f75fc8197421d94f560c61'
> > >
> > > So the file is still not recovered.
> >
> > Hmm, this is the object that was corrupt and deleted above, so its not
> > unexpected that it is not ther. But I'm not sure why it was not pulled
> > when you reinstalled...
> >
> > o> By the way, shall flatpak prevents apps from modifying files under /etc?
> >
> > For technical reasons /etc is a tmpfs, so you can write to it but all
> > the files from the runtime that are in there are not writable.
>
> Actually i know why this is happening. When we pull the new commit as
> long as there is a commit or a directory locally available in the repo
> it assumes all the objects it references are there.
>
> Can you try to create an empty file called
> ~/.local/share/flatpak/repo/state/07b0e89b0f6c4f72bbeb101f89d5c16ffab2a1f3d2e317b5ecc2adf8ead585ba.commitpartial
>
> And then:
>
> flatpak --user install --reinstall flathub org.freedesktop.Sdk/x86_64/1.6
Yes. This fixed the broken repo. But after reinstalling org.freedesktop.Sdk,
But I have to also reinstall all other runtimes that based on
org.freedesktop.Platform.
Right?
> Colin: Maybe we should add a flag to ostree pull that assumes all
> commits are partial, for this kind of "repo repair" operations? I.e.
> to repair a repo we could do ostree fsck --delete, and then re-pull
> all refs with this flag.
>
>
>
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>  Alexander Larsson                                Red Hat, Inc
>        alexl redhat com         alexander larsson gmail com