[R-pkg-devel] Query about broken reverse dependencies that already are broken

[Uwe Ligges]

On 10.12.2024 15:02, J C Nash wrote:
> This is a question about how things are done rather than a request for a 
> fix.
> 
> Yesterday I re-submitted my optimx package with some small but important 
> fixes
> (e.g., one place where one solver would miss catching function 
> evaluation limits).
> I'd done a revdepcheck that came up with "Wow, no problems", but in fact 
> one of
> the revdeps had a test failure which was already flagged in its checks 
> list on
> CRAN. A package test example had a singularity on some systems. This can 
> happen with
> nonlinear function minimization due to very small changes in arithmetic and
> approximations of different systems. Putting in checks and "graceful 
> failure"
> for such conditions is the ideal for optimization solvers, but it isn't 
> easy.
> Some of the changes in the optimx update submitted are of this flavour.
> 
> When the submission checks came back this morning there was a
> "Changes to worse in reverse depends:", even though there really is no 
> change.
> However, I then got a msg "Thanks, on its way to CRAN."

Indeed, as I have seen the packages with "changes to worse" had similar 
issues on another platform even before your change, I had let yours pass.

Best,
Uwe Ligges

> 
> Am I correct in assuming a manual review passed the package (which 
> hopefully I
> did get fully compliant)? Or will I get an eventual "please fix" for 
> something
> clearly outside my scope of action?
> 
> As indicated, at the moment this isn't a request for help, though that 
> may come
> later.
> 
> Cheers,
> 
> John Nash
> 
> ______________________________________________
> R-package-devel using r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-package-devel