Yeah that's probably a good bare minimum amount of git knowledge. But I feel like that's making git which can be a super helpful and powerful tool nothing more than a means to an end.
Learning the functionality of git can really help you out. For example, I almost always use the `-p` flag (particularly `git add -p` which gives me a chance to manually see every change I've made, often I'll find some junk that I may have left somewhere else. Also being familiar with how to rebase series of commits onto and off of other branches can be a huge time saver.