This will allow to deal with more tarballs (gnu, cran, nix, guix, etc...).
Implementation wise, this uses the shutil
high-level standard python library.
Feel free to propose a better way of doing this, I did not see any.
Note: I expected the ci build to fail. One test needs the "optional" `lzip`
dependency installed. It did not but...
I don't know how to idiomatically make this setup optional (depending on the
runtime's current setup). That is without hard-coding check on /usr/bin/lzip
for example, etc... And i'd rather we do that so any hint is welcome ;)
Another note:
I will look around for smaller tarballs (the .tar.Z and the other one are too big).
Related to T2110