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Mastering Git

Mastering Git

By : Narębski
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Mastering Git

Mastering Git

By: Narębski

Overview of this book

Developers often feel overwhelmed by complex version control issues, especially when managing large repositories. This updated second edition of our Git guide empowers you to tackle these challenges head-on and emerge as a Git pro. The book gets you up to speed with the latest Git version, its features, and advanced branching techniques, helping you master complex development scenarios. A new chapter on tackling challenges while managing large repositories has been added, providing invaluable strategies for efficient version control with Git. The book goes beyond the basics to take you through Git’s architecture, behavior, and best practices in depth. The chapters help you develop a clear understanding of customizing workflows, creating unique solutions, and tackling any version control hurdle. As you advance, you’ll explore a wide range of functionalities, from examining project history to collaborating seamlessly with teammates. Detailed descriptions guide you through managing your work, collaborating with others, administering Git, and navigating project history. By the end of this book, you’ll have become a Git pro and be confident enough to handle advanced branching, manage large repositories, customize workflows, collaborate effectively, and troubleshoot any version control issues.
Table of Contents (21 chapters)
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Free Chapter
1
Part 1 - Exploring Project History and Managing Your Own Work
7
Part 2 - Working with Other Developers
13
Part 3 - Managing, Configuring, and Extending Git

Finding bugs with git bisect

Git provides a couple of tools to help you debug issues in your projects. These tools can be extremely useful, especially in the case of a software regression — that is, a software bug that makes a feature stop functioning as intended after a certain revision. If you don’t know where the bug can be, and there have been dozens or hundreds of commits since the last state where you know the code worked, you’ll likely turn to git bisect for help.

The bisect command searches semi-automatically, step by step, through project history, trying to find the revision that introduced the bug. In each step, it bisects the history into roughly equal parts and asks whether there is a bug in the dividing commit. It then uses the answer to eliminate one of the two sections and reduces the size of the revision range where there can be a commit that introduced the bug:

Figure 5.2 –  An example of git bisect in action, finding the buggy commit after 4 steps

Figure 5.2 – An example of git bisect in action...

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