When I look at the workspace I see dotfiles (e.g. .git). When I go and download the entire workspace (e.g. …/job/whatever/ws/) I will not receive any dotfiles in the zip file. They are just ignored.

A really ugly workaround is to I go into the specific .git folder and click on "all files in zip" I get the files inside of this .git folder. But with multiple such dotfiles its not a userfriendly procedure.