[R-pkg-team] Bug#920711: Test suite seems to uncover conflict between new version of tibble and repr (Was: Bug#920711: r-cran-repr: autopkgtest regression)

[Philipp Angerer]

Oh whoops, this is about repr, not tibble! Should have read more carefully,
sorry!

I just tagged 0.19.2 and uploaded it to CRAN (should be up there soon),
which works around the tibble-induced breakage:
https://github.com/IRkernel/repr/releases/tag/0.19.2

FYI: tibble has a schizophrenic approach to data.frames: It claims to be a
subclass, but doesn’t properly support rownames (by design). Of course that
has its reasons, but for code expecting rownames to be handles, this breaks
things. And as they proceedingly remove rowname support from all
operations, proceedingly more stuff breaks.

Best, Philipp

Andreas Tille <tille at debian.org> schrieb am Mi., 6. Feb. 2019 um 11:28 Uhr:

> Control: tags -1 help
>
> On Tue, Feb 05, 2019 at 10:56:11PM +0200, Graham Inggs wrote:
> > Hi!
> >
> > On Tue, 5 Feb 2019 at 22:34, Andreas Tille <tille at debian.org> wrote:
> > > I can also add r-cran-tibble via
> > >
> > >     apt-get install --no-install-recommends r-cran-tibble
> > >
> > > and the test suite keeps on succeeding!  However, after intalling
> > > r-cran-dplyr the described error occures while after deinstalling
> > > r-cran-dplyr the test suite passes again.  So the incompatibility
> > > seems to be rather between r-cran-repr and r-cran-dplyr.
> >
> > The reason the two tests only fail when r-cran-dplyr is installed is
> because of:
> >     if (has_dplyr) { }
> > in both cases [1][2].
>
> But this does not explain why r-cran-repr fails after a new
> r-cran-tibble is uploaded.  It remains a bit mysterious to me.  So I'm
> tagging this bug "help" but I hesitate for tags upstream or a forwarded
> field since I'm not sure what upstream to contact about this.
>
> Kind regards
>
>       Andreas.
>
> --
> http://fam-tille.de
>
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