Gitignore everything except a subfolder (with every content)?

Question

I want to ignore everything, except a specific subfolder (and all of its contents!). I tried solutions from possible duplicate questions without any success.

I\'d ne

Answer 1

I want to ignore everything

add the folder to the gitignore

except a specific subfolder (and all of its contents!).

force folder to be added to the repository

git add -f folder

---

EDIT:

I use this solution for example when I need to keep log folder, for example, but not its content. Generally, when I suppose the content of the folder is never to be added. And generally I add just path/to/folder/.gitkeep file with -f option.