It may seem very counterintuitive that I put a full chapter into manipulating history. Version control is at its core about traceability, reproducibility, and immutability. But Git lets you manipulate the history. For any public history, published to colleagues or available on the Internet, we must tread very carefully and use with care and responsibility the powers this chapter bestows us. But for local history, before we'd publish it can bring tremendous value to sculpt the version history to fit the logical units.
In this chapter, we will first cover undo a change that is present in our history ...
