Reproducible XFS Filesystems Builds for VMs

[Luca DiMaio]

Hi all, I've tried creating a gitlab account on salsa.debian.org but was
rejected, any specific way I would need to do it or someone to contact to
fix this?
Thanks a lot!

L.

On Fri, Oct 24, 2025 at 4:17 PM Luca DiMaio <luca.dimaio at chainguard.dev>
wrote:

> Thanks a lot!
>
> L.
>
> On Fri, Oct 24, 2025 at 4:16 PM Arnout Engelen <arnout at bzzt.net> wrote:
> >
> > On Fri, Oct 24, 2025, at 15:46, Luca DiMaio via rb-general wrote:
> >
> > Dear list
> >
> > As of this week xfsprogs 6.17.0 has been released and included is the
> > patch that I managed to submit:
> >
> https://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git/commit/?id=8a4ea72724930cfe262ccda03028264e1a81b145
> >
> > It is now possible to populate an XFS filesystem, similarly to how ext4
> works
> >
> >
> > Cool!
> >
> > I'd like to contribute to the docs of
> > https://reproducible-builds.org/docs/system-images/ to add an XFS
> > section
> > could someone point me to the repo/mailing list for that?
> >
> >
> > That's at
> https://salsa.debian.org/reproducible-builds/reproducible-website/-/blob/master/_docs/system_images.md?ref_type=heads
> >
> >
> > Kind regards,
> >
> > Arnout
> >
> > On Mon, Apr 28, 2025 at 11:25 AM Luca DiMaio <luca.dimaio at chainguard.dev>
> wrote:
> > >
> > > At the moment we're at v7 of the patch set which adds ability to
> > > populate from a directory, much like ext4:
> > >
> https://lore.kernel.org/linux-xfs/20250426135535.1904972-1-luca.dimaio1@gmail.com/T/#t
> > >
> > > By default atime/ctime/crtime is set to `gettimeofday()` while mtime
> > > is preserved
> > > that can be easily worked around with something like `libfaketime` or
> > > similar libraries to enforce a date
> > >
> > > L.
> > >
> > > On Thu, Apr 24, 2025 at 3:46 PM Bernhard M. Wiedemann
> > > <bernhardout at lsmod.de> wrote:
> > > >
> > > > On 16/04/2025 16.55, Luca DiMaio via rb-general wrote:
> > > > > At the moment I've opened an RFC in the XFS mailing list, to
> improve their
> > > > > prototype file functionality, in particular to carry over the
> inode's timestamps
> > > > > from source:
> > > >
> > > > If these include ctime and atime, those are usually hard to
> reproduce in
> > > > a filesystem.
> > > > It would probably be good to have an option to clamp timestamps to a
> > > > maximum, similar to tar's --clamp-mtime option or set them all to a
> > > > given constant value.
> >
> >
> > --
> > Arnout Engelen
> > Engelen Open Source
> > https://engelen.eu
> >
>
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