I may have misunderstood the first question in this thread, but now that
I have a vague idea what Travis-CI is about, perhaps someone could
answer some questions (apologies if I have not yet grokked the proper
terminology):
-An R package would often require other R packages in order to build and
test. Would the strategy for making other packages available be to use
"install", or "before_script"? Potentially this settup will take very
much more time than the actual testing, or is there a way to easy this
load?
-Are you thinking of all packages being available via apt-get, or will
this support "R CMD INSTALL"?
-How do the virtual machine snapshots get set up? Is that what is being
done in the R+Travis project, or what would be needed to merge this into
travis as a first-class citizen?
-Is there a mechanism to contribute worker boxes for specific platforms?
Is it possible to restrict them to be available only for certain
purposes? (e.g. R package builds but not C++ project testing.)
-Is this thread on R-sig-debian only because the original question was
about installing on Ubuntu? I have the impression that the Travis-CI
infrastructure is more general than debian, or am I wrong about that?.
WRT my original misunderstanding: I do think you need to think of R and
recommended packages as one combined compiler system, not try to test
newer recommended packages against older R versions. I don't think
mixing new recommended packages with old R versions should be expected
to work very well, and (I hope) very few people would think of using a
mixed system. Even installing from source you get them together. OTOH,
testing new versions of other packages against old versions of R (with
the corresponding recommended packages) makes sense if the package
maintainer has not indicated that a newer R version is needed.
Thanks,
Paul
On 13-11-08 03:10 AM, Kirill Müller wrote:
On 11/08/2013 12:17 AM, Michael Rutter wrote:
All the packages that you need are on the Ubuntu CRAN site (I
believe), the trick is convincing Ubuntu to install the correct ones.
One solution would be to ge here:
http://cran.us.r-project.org/bin/linux/ubuntu/precise/
Manually download the packages you need. Look for dates around March
2, 2013. That is the was the day 2.15.3 was created for Ubuntu. Once
you have downloaded the packages, install them using "dpkg".
Michael
Thanks a lot to everyone for the useful input. Indeed, CRAN/Ubuntu
indeed contains packages "old enough" to run on R 2.15. The desired
configuration can be achieved with aptitude and a modification in its
conflict resolution heuristics:
sudo aptitude install -R -y r-base-dev=2.15.3-1precise0precise1
r-base-core=2.15.3-1precise0precise1
r-recommended=2.15.3-1precise0precise1 -o
"Aptitude::ProblemResolver::Non-Default-Level=5000"
This works in principle, but needs more tweaking to be more robust,
especially w.r.t. apt-get update calls.
Cheers
Kirill
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