On Mon, Feb 13, 2012 at 08:56:55AM -0600, Dirk Eddelbuettel wrote:
> I really just want to depend with >= on the R version (as it is called in
> Debian !!) building this package. Going with parsing the changelog is better
> than asking R for its version as R does not know about its Debian
> (sub-)version.
The real question to decide about this is: Is there any need to know
the Debian (sub-)version. Do we really need to Depend from a specific
(sub-)version or is it from the r-cran-xyz package point of view only
relevant to depend from a certain R (upstream!!) version?
While we noe have found proper expressions to find the version we need
we need to decide what is actually needed. Alternatively we might do
the following:
echo "R:Depends=r-base-core (>= $(shell R --version | head -n1 | perl -ne
'print / +([0-9]\.[0-9]+\.[0-9])/')~)" >> debian/$(package).substvars
echo "R-Debian:Depends=r-base-core (>= $(shell dpkg-parsechangelog | awk
'/^Version/ { print $2 }')" >> debian/$(package).substvars
When doing so we end up with feeding two substvars into the substvars
file and in the control file you can either pick
${R:Depends}
if you mean the R version or
${R-Debian:Depends}
if you want to address any specific Debian package of r-base-core.
Kind regards
Andreas.
PS: Code is untested - just to base the discussion upon it. I'd
volunteer to test for sure if some consensus is reached.
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