Look at the last repository-altering operation you ran and reverse the effects of it. Add a --dry-run to see what it would do, and print out the command it runs

Look at the last repository-altering operation you ran and reverse the effects of it. Add a --dry-run to see what it would do, and print out the command it runs as a way to teach people more advanced things about Git. Microsoft Word has undo. Git can as well.