warning and symlink issue with DIRACOS v2.34

[chaen]

Downloading the latest version, and simply executing the bash command, we get for all packages warnings like
warning libmamba Extracted package cache '/tmp/ddd/diracos/pkgs/six-1.16.0-pyh6c4a22f_0' has invalid url

and at the end an error message related to the creation of a symbolic link

Or to execute a single command in this environment, use:

    micromamba run -p /tmp/ddd/diracos mycommand

ln: failed to create symbolic link '/tmp/ddd/diracos/lib/python3.9/site-packages/etc': No such file or directory

DIRACOS has been installed sucessfully in /tmp/ddd/diracos

I don't yet know if it actually impacts the behavior or not, I'll check it asap but we may need to rollback

[chrisburr]

It's harmless except for v7r2. We already broke compatibility IIRC so those two lines can probably be dropped entirely.

[chaen]

That's what I was tempted to do for the ln but how about the invalid url ? I've seen that there are already multiple issues open in micro/mamba/conda for that

[chrisburr]

I'm fairly sure it's a harmless conda-constructor bug (or micromamba bug with how it's interacts with constructor). The way the installers are made is a bit hacky.

Possibly related: mamba-org/mamba#2593

I'll look into when I get a chance.

[chrisburr]

Re-opening for the invalid url thing.