R devel - Feb 2021 - reverse dependency checks

There are some nice tools to automate reverse dependency checks, but for a large
package
the real issue is the envirionment.? The description of the crandalf site on
github has a
nice summary.? One package uses a cryto libraries (oops, install those), another
uses some
latex macros I've never heard of, etc.??? In any case, I am seeing some
failures in my
reverse checks for survival that I'm not sure how to fix.?? If anyone has a
hint or two
I'd be grateful.

1. A half dozen fail with "graphics API mismatch"

2. Over a dozen have a latex failure of
! pdfTeX error (\pdfsetmatrix): Unrecognized format..
\AtBegShi at Output ...ipout \box \AtBeginShipoutBox
 ????????????????????????????????????????????????? \fi \fi

A check of kpsewhich shows I have all the packages, and I don't see a
pattern in the .tex
files at the point of failure.

Terry T.

-- 
Terry M Therneau, PhD
Department of Health Science Research
Mayo Clinic
therneau at mayo.edu

"TERR-ree THUR-noh"


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Am Donnerstag, 18. Februar 2021, 19:58:09 CET schrieb Therneau, Terry M., 
Ph.D. via R-devel:
> There are some nice tools to automate reverse dependency checks, but for a
> large package the real issue is the envirionment.  The description of the
> crandalf site on github has a nice summary.  One package uses a cryto
> libraries (oops, install those), another uses some latex macros I've
never
> heard of, etc.    In any case, I am seeing some failures in my reverse
> checks for survival that I'm not sure how to fix.   If anyone has a
hint or
> two I'd be grateful.
> 
> 1. A half dozen fail with "graphics API mismatch"
Such error messages could occur if visual diffs (of SVG plots) are run with R
>
4.0 (i.e. R-devel) where the reference files were generated with R <= 4.0.
This
is described in

  https://github.com/r-lib/vdiffr/issues/86

However the vdiffr tests are only run if you set the NOT_CRAN environment 
variable, for example because you use devtools for running tests, see

  https://github.com/r-lib/vdiffr#testing-versus-monitoring

Kind regards,

Johannes
> 
> 2. Over a dozen have a latex failure of
> ! pdfTeX error (\pdfsetmatrix): Unrecognized format..
> \AtBegShi at Output ...ipout \box \AtBeginShipoutBox
>                                                    \fi \fi
> 
> A check of kpsewhich shows I have all the packages, and I don't see a
> pattern in the .tex files at the point of failure.
> 
> Terry T.