[Plugins] Sofa Fetch plugin create .gitignore file ignoring all new files

[epernod]

When fetching plugins such as SofaPython3 or BeamAdapter directly at CMake configure time, the plugin is well added in the list of applications/plugins/ but it create also add a .gitignore file (which is not in the plugin repository). This .gitignore file has in it:

*

thus all new file created in the plugin are ignored.

Is it a wanted behavior?