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r-lib / revdepcheck

R package reverse dependency checking
https://revdepcheck.r-lib.org
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Checking revdeps of R #207

Closed lionel- closed 4 years ago

lionel- commented 5 years ago

Before submitting a patch to R core, it's sometimes needed to check for issues against CRAN packages (all of CRAN or just a sufficiently large sample, depending on the patch).

It might be possible to check old and new R simultaneously, but it is probably hard to make this work portably.

Alternatively, the packages could be checked on old R first and then on new R. Then it's up to the user to change the currently active R version between the checks. As discussed in #198, this needs one library per checked package to ensure nothing changes between old and new checks. Or perhaps installing all deps first would work, as discussed in #33.

hadley commented 4 years ago

I think this is now like to be out of scope for revdepcheck.