How does Pants-core go about testing all its backends for things that it has no way of installing (i.e. docker??) I can't imagine it's particularly easy to have everything set up in one environment so

pants test

can run all docker, python, and whatever else it supports.

You'd be surprised at what is on the default GitHub runner image: https://github.com/actions/runner-images/blob/main/images/linux/Ubuntu2004-Readme.md

no micropython tho 😞

Oh dang I never looked into micropython before, looks really cool

in general, we try to bias toward automatically installing tools… there are some exceptions, but mostly for legacy reasons. for example: we find a locally installed

go

distribution because we didn’t use to have support for immutable and append only caches