Book Image

Git Essentials - Second Edition

By : Ferdinando Santacroce
Book Image

Git Essentials - Second Edition

By: Ferdinando Santacroce

Overview of this book

Since its inception, Git has attracted skilled developers due to its robust, powerful, and reliable features. Its incredibly fast branching ability transformed a piece of code from a niche tool for Linux Kernel developers into a mainstream distributed versioning system. Like most powerful tools, Git can be hard to approach since it has a lot of commands, subcommands, and options that easily confuse newcomers. The 2nd edition of this very successful book will help you overcome this fear and become adept in all the basic tasks in Git. Building upon the success of the first book, we start with a brief step-by-step installation guide; after this, you'll delve into the essentials of Git. For those of you who have bought the first edition, this time we go into internals in far greater depth, talking less about theory and using much more practical examples. The book serves as a primer for topics to follow, such as branching and merging, creating and managing a GitHub personal repository, and fork and pull requests. You’ll then learn the art of cherry-picking, taking only the commits you want, followed by Git blame. Finally, we'll see how to interoperate with a Subversion server, covering the concepts and commands needed to convert an SVN repository into a Git repository. To conclude, this is a collection of resources, links, and appendices to satisfy even the most curious.

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Table of Contents (8 chapters)
Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
Getting Started with Git
Getting Started with Git
Foreword to the second edition
Installing Git
Running our first Git command
Summary
2
Git Fundamentals - Working Locally
Git Fundamentals - Working Locally
Digging into Git internals
Git objects
Even deeper - the Git storage object model
Git doesn't use deltas
Wrapping up
Git references
Staging area, working tree, and HEAD commit
Rebasing
Merging branches
Cherry picking
Summary
3
Git Fundamentals - Working Remotely
Git Fundamentals - Working Remotely
Working with remotes
Working with a public server on GitHub
Summary
4
Git Fundamentals - Niche Concepts, Configurations, and Commands
Git Fundamentals - Niche Concepts, Configurations, and Commands
Dissecting Git configuration
Git aliases
Useful techniques
Tricks
Summary
5
Obtaining the Most - Good Commits and Workflows
Obtaining the Most - Good Commits and Workflows
The art of committing
Adopting a workflow - a wise act
Summary
6
Migrating to Git
Migrating to Git
Before starting
Working on a Subversion repository using Git
Using Git with a Subversion repository
Migrating a Subversion repository
Comparing Git and Subversion commands
Summary
7
Git Resources
Git Resources
Git GUI clients
Building up a personal Git server with web interface
Learning Git in a visual manner
Git on the internet
Summary

Git aliases

We already mentioned Git aliases and their purpose; in this section, I will suggest only a few more, to help make things easier.

Shortcuts to common commands

One thing you may find useful is to shorten common commands such as git checkout and so on; therefore, useful aliases can include the following:

[1] ~/grocery (master) 
$ git config --global alias.co checkout 
 
[2] ~/grocery (master) 
$ git config --global alias.br branch 
 
[3] ~/grocery (master) 
$ git config --global alias.ci commit 
 
[4] ~/grocery (master) 
$ git config --global alias.st status

Another common practice is to shorten a command, adding one or more options you use all the time; for example, set a git cm <commit message> command...

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