git clean on 12.0.0.3.2

The git clean command on 12.0.0.3.2-developers-only returns
packages/qxl-xorg-enhance/
packages/swdate-gui/
packages/security-misc/

Is it ok to remove those?

Sorry if thats a dumb question.

Thanks!

ob7:

Is it ok to remove those?

Yes.

(This were created by the master branch and do not exist at time of that
tag. This needs to be documented…)

And I need to learn more about git. Any good books your know of?

Just put “git book” into any search machine. Those should all be sufficient.

Well I was curious if you knew from experience any good ones. I already got “Git for Teams”" on the way. But git is really amazing I need to really get it down better.