Parallel development on GIT - how to organize it?

Question

git

There is a main repository. In parallel, you need to develop a clone of this repository, but a stripped down version. At the same time, it is desirable that it be committed to both repositories, if, for example, a bug is fixed in a truncated version, it is also fixed in the full one. How to organize and implement it?

Answer 1

Add 2 remote repositories to the local repository.

Answer 2

What is the problem with maintaining two branches?