Tool/software:
As a follow-up to the related question that newer saw an answer.
We solved it by copying the generated .launch file from the .launches folder, put it into out git repo, and added a <file action="copy"..../> to the projectspec that kopies the .launch file into a folder below the project folder.
Actually we copy it to the "${project-loc}/targetconfigs" folder...
Here I reach my new question, i can't find anywhere in the manual where CCS will search for .launch files?