[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)

[Andreas Tille]

Cool!  Thanks a lot, Andreas.

On Wed, Feb 06, 2019 at 01:05:51PM +0100, Philipp Angerer wrote:
> 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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