Conda install failing in recent GitHub actions

1

Hi guys,

I have recently been experiencing failures in various CI/CD pipelines on GitHub Actions runners (OS: Ubuntu 24.04.2 LTS) attempting to install Mrtrix3 via conda with

conda install -c mrtrix3 mrtrix3

e.g. Add support for OAR Scheduler · nipype/pydra@5d15467 · GitHub)

Preparing transaction: / - \ done
Verifying transaction: / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ done
Executing transaction: / - \ | / - \ | / done

/usr/share/miniconda/etc/conda/deactivate.d/mrtrix3_deactivate.sh: line 1: unalias: mrview: not found
/usr/share/miniconda/etc/conda/deactivate.d/mrtrix3_deactivate.sh: line 1: unalias: shview: not found

It was working up until the last month or so, so I’m not sure what has changed, whether it is a specific Ubuntu version or a recent update to the conda package

2

Work around is just to create aliases for mrview and shview before installing with conda

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