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When I first used Git it drove me almost to tears of rage and frustration. But I did get it under control. I don't love Git, but I use it every day, by choice, and I use it effectively.
> you can only really use Git if you understand how Git works. Merely memorizing which commands you should run at what times will work in the short run, but it’s only a matter of time before you get stuck or, worse, break something.
Yes. For me the rescue was Charles Duan's git tutorial: Understanding Git conceptually. https://www.sbf5.com/~cduan/technical/git/
> you can only really use Git if you understand how Git works. Merely memorizing which commands you should run at what times will work in the short run, but it’s only a matter of time before you get stuck or, worse, break something.
The original claims
> It is very hard to permanently lose work.
I disagree. So I run a git reset safety net https://gist.github.com/chx/85db0ebed1e02ab14b1a65b6024dea29 it saved my bacon quite a few times. (Bonus git cd command. It's useful.)