We all make mistakes, right? Humans have been making mistakes since time immemorial, and for a long time, making mistakes was pretty expensive (with punch cards and typewriters, we had to redo the whole thing). The reason was simple—we didn’t have a version control system. But now we do! Git gives you ample opportunities to undo your mistakes, easily and painlessly. Whether you’ve accidentally added a file to the index, made a typo in a commit message, or made a badly formed commit, Git gives you plenty of levers to pull and buttons to push so that no one will ever know about that little, ahem, “slip-up.”
After this chapter, if you trip up, it won’t matter what kind of mistake you’ve made, you’ll know exactly what to do. So let’s go make some mistakes—and learn how to fix ’em.
Planning an engagement party
Love is in the air, and we’ve got some news to share with you. Gitanjali and Aref are newly engaged! They want to throw an engagement party with their closest friends, and to make sure they get it right, they’ve decided to hire Trinity, an event planner.
Trinity and her partner Armstrong are true professionals—and huge proponents of Git. All of their ideas for invitation cards, guests, and gift lists are always tucked away in a Git repository that they create specifically for that client. This way, they can always use Git as their second ...
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