Runtime installation in Docker container

[Alexander Larsson]

On Wed, 2016-08-24 at 10:39 +0200, Michael Hofer wrote:

> Hi Alex
> 
> On Mon, 22 Aug 2016 11:45:04 +0200
> Alexander Larsson <alexl at redhat.com> wrote:
> [...]
> > 
> > This is ENODATA. Its not super obvious what could return this, but
> > one
> > thing that does is related to xattrs, so that may be it. Flatpak
> > does
> > require xattr support in the filesystem backing the ostree repo,
> > and
> > that may be problematic with dockers layering. What filesystem
> > backend
> > in docker are you using?
> 
> Thanks for your input. As I'm using Travis-CI for those tests I don't
> think
> there's much I can do about the xattr support:
> 
> https://github.com/travis-ci/travis-ci/issues/1281

But that is about the host (VM) itself, no? If you run docker inside
it, then the question is what filesystem backend is docker using. For
instance, if its using devicemapper, then xattrs should work in the
container, but perhaps not if using e.g. overlayfs.