[R-pkg-devel] Cache in vignette not working when checking a package

[Thierry Onkelinx]

Dear Jose,

I store the results of CPU intensive chunks in the package. Have a look at
https://github.com/ropensci/git2rdata/blob/master/vignettes/efficiency.Rmd.

Best regards,

ir. Thierry Onkelinx
Statisticus / Statistician

Vlaamse Overheid / Government of Flanders
INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND
FOREST
Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance
thierry.onkelinx using inbo.be
Havenlaan 88 bus 73, 1000 Brussel
www.inbo.be

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Op ma 1 feb. 2021 om 12:49 schreef Jose Barrera <jose.barrera using isglobal.org>:

> Dear all,
>
> I have an issue when checking a package that includes a vignette using
> cache = TRUE in some chunks. The vignette is generated with knit from an
> Rnw document. The issue is that cache works when building the vignette
> locally but it seems not working when checking the package.
>
> I have proceeded as follows:
>
> 1) R CMD build collin --resave-data
>       * creating vignettes...  --->  4 minutes
> 2) R CMD check --as-cran collin_0.0.1.tar.gz
>       * checking re-building of vignette outputs ...  --->  4 minutes
> 3) I install "collin_0.0.1.tar.gz" in my laptop
> 4) In an R session, I build the vignette "collin/vignettes/collin.Rnw". It
> takes 4.7 minutes and the "cache" folder is created in "collin/vignettes/"
> 5) I remove all aux files in "collin/vignettes/" (now, the only extra item
> is the "cache" folder)
> 6) I re-build the vignette in the R session and now it takes only 8
> seconds, so the cache is working
> 7) Repeat 5)
> 8) Repeat 1) and 2) but it still takes 4 minutes so it seems like R CMD
> build and R CMD check are ignoring the "cache" folder in
> "collin/vignettes/".
>
> I would be very grateful if you could provide some advice on how to fix the
> problem.
>
> Best,
>
> Jose Barrera
> Statistician, Associate Lecturer
>
> ISGlobal
> Barcelona Institute for Global Health - Campus MAR
> Barcelona Biomedical Research Park (PRBB) (Room Hypatia)
>
> Doctor Aiguader, 88
> 08003 Barcelona, Spain
> Tel. +34 93 2147383
> jose.barrera using isglobal.org
> www.isglobal.org
>
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