← Ship It
Lesson 1 · rocket Ship It
Git That Helps You
Use branches, commits, and history as a debugging tool.
Before you start
Git's real value shows up six months later, when you need to know *why* a line exists. That makes commit messages a form of documentation and small commits an investment. git bisect can find the commit that broke something in a repository of 50,000 — but only if the commits are small enough to be meaningful.
5 exercises·up to 72 XP·5/5 hearts