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https://issues.apache.org/jira/browse/ARROW-12826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacob Wujciak-Jens closed ARROW-12826.
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Resolution: Invalid
We have removed the revdepcheck crossbow job in favour of running it locally,
so this issue is invalid.
> [R] [CI] Add caching to revdepchecks
> ------------------------------------
>
> Key: ARROW-12826
> URL: https://issues.apache.org/jira/browse/ARROW-12826
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Continuous Integration, R
> Reporter: Jonathan Keane
> Priority: Major
>
> With ARROW-12569 we added a (manual) reverse dependency check job. This runs
> fine (if slow) for a one-off run. It should be possible to cache between
> runs. There are a few issues with this currently:
> * {revdepcheck} does not (yet) [support only running new
> runs|https://github.com/r-lib/revdepcheck/issues/94]
> * The cache doesn't cache some of the longest running tasks (installing the
> reverse dependencies)
> * If we cache the revdeps directory, we will need to re-add packages that
> should be re-checked.
> We should investigate contributing to revdepcheck to resolve the run-only-new
> and possibly also add features for cacheing the installations (and only
> change when the crancache is invalidated / finds a new package?)
> https://github.com/HenrikBengtsson/revdepcheck.extras might also be helpful
> For posterity, the following is ~what we would need to add to
> dev/tasks/r/github.linux.revdepcheck.yml
> ```
> - name: Cache crancache and revdeps directory
> uses: actions/cache@v2
> with:
> key: {{ "r-revdep-cache-${{ some-way-to-get-arrow-version }}" }}
> path: |
> arrow/r/revdep
> arrow/.crancache
> ```
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