RStudio fails to start because jammy-build is installed in buildpack-deps:bionic

[yamaton]

Bug description

• OS: Linux
• repo2docker version: 2023.06.0

RStudio fails to start due to missing libssl.so.3 when installed with r-base=4.2 in environment.yml. The issue occurs because rstudio-server for jammy is somehow installed on buildpack:bionic.

Note: This issue might be temporary due to the ongoing transition: #1287

How to reproduce

This environment.yml is what I'm testing with. It's from binder-examples/r-conda, but changed r-base to 4.2.

channels:
  - conda-forge
dependencies:
  - r-base=4.2
  - r-tidyverse

Then RStudio fails to start with the error:

/usr/lib/rstudio-server/bin/rserver: error while loading shared libraries: libssl.so.3: cannot open shared object file: No such file or directory

From the Terminal within the container, we see the system is bionic while rstudio-server is for jammy.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.6 LTS
Release:        18.04
Codename:       bionic

$ rstudio-server version
2022.12.0+353 (Elsbeth Geranium) for Ubuntu Jammy

Binder links

I suppose mybinder.org now uses repo2docker 2023.06.0. So the issue is reproduced there.

Jupyter+R:

RStudio:

[EDIT] When called with the command-line option --Repo2Docker.base_image=docker.io/library/buildpack-deps:jammy, RStudio starts fine.

[EDIT2] apt-cache search libssl3 returns the exit code 0 even when there is no hit. So this line would be erroneous.

[EDIT3] My suggestion is to replace it with ldconfig -p | grep -q libssl3.

[EDIT4] Settled to apt-cache search libssl3 | grep -q libssl3 and created a PR.

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