Download alpha instead of devel?

[bbimber]

I might be misinterpreting what I see here; however:

• We have a workflow that uses "r: 'devel', bioc: 'devel'". I believe r-devel recently switched its version to report 4.3. I am guessing that's because R 4.2 is going to be released next month.
• Bioconductor-devel dies when installed with 4.3, saying it's an unsupported version.

Can I get rlib/actions to download some kind of 4.2 release-candidate, instead of the 4.3 R-devel?

[gaborcsardi]

setup-r does not support R-alpha, but you can download and install it manually on Windows. It goes like this:

    - name: Install R
      run: |
        Invoke-WebRequest -Uri https://cran.r-project.org/bin/windows/base/R-4.2.0alpha-win.exe -OutFile ralpha.exe
        Start-Process ".\ralpha.exe" -ArgumentList "/verysilent /suppressmsgboxes /DIR=C:\R" -Wait -NoNewWindow
        echo "C:\R\bin" | Out-File -Append -FilePath $env:GITHUB_PATH

If you need to install Rtools, that is similar.

AFAICT there are no builds of R-alpha for macOS or Linux.

[gaborcsardi]

This is now fixed in v2-branch, will be merged in v2 soon. The next R version is now the next version of R, R-patched if there is no ongoing release process, and R-alpha, etc. if there is one.

On macOS it is currently R-patched because there is no installer available for R-alpha.

[github-actions]

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