[R-sig-Debian] Advice on upgrading to 3.5.0

[Michael Rutter]

On 5/3/18 7:43 AM, Dirk Eddelbuettel wrote:
> 
> On 3 May 2018 at 13:21, Jeroen Ooms wrote:
> | On Wed, May 2, 2018 at 10:35 AM, Robin Lovelace <rob00x at gmail.com> wrote:
> | > I'd be interested to hear views on how and when Ubuntu users should upgrade
> | > to R 3.5.0.
> | > I made the upgrade a few days ago but reverted because of issues installing
> | > packages such as rJava, which I installed on the system with r-cran-rjava.
> |
> | My strategy will be to jump to R 3.5 when I upgrade my servers to
> | Ubuntu Bionic in a few weeks (will probably do a clean install).
> | Currently c2d4u has pretty great coverage of CRAN binaries for Xenial
> | (and Trusty) so I will stick with Xenial + R 3.4 for now.
> |
> | >From activity on launchpad it looks like c2d4u-3.5 is currently
> | focussing on Ubuntu Bionic, which is great because that will give us a
> | clean path forward. Hopefully in a few weeks from now, most r-cran
> | packages will be there so we can upgrade to Bionic and R3.5 at the
> | same time.
> 
> c2d4u3.5 looks great! But for Travis we will also need trusty aka 14.04 :-/

That will slowly be built up.  Right now I am working on all the 
packages in Bionic that exist in universe.  If I don't rebuild them 
first, any attempt to redo c2d4u will fail.  Once those are finished, I 
will slowly start rebuilding the other distros and CRAN Task Views.  It 
will take some time.

Michael

> | > Also any advice on how to do a clean uninstall of the previous version
> | > before making the leap greatly appreciated.
> |
> | Due to the missing api tags, I think it will be very difficult to
> | automatically determine which r-cran packages you can keep. If you
> | really need to upgrade you probably want to purge r-cran-* and
> | r-base-* and reinstall from the new ppa.
> 
> Maybe the interfaces to the package systems can help: ie update.packages()
> has 'checkbuilt' option may be useful.  On the Linux side I added a few
> queries to the RcppAPT package, so it can tell you which packages depend on
> older R versions like 3.4.* (or older).
> 
> Dirk
> 

-- 
Dr. Michael A. Rutter
Associate Director, School of Science
Associate Professor of Statistics
Penn State Erie, The Behrend College
Station Road
Erie, PA 16563
http://math.bd.psu.edu/faculty/rutter