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Mastering Puppet 5 by Jason Southgate, Ryan Russell-Yates

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Git

This book is not intended to be a complete resource on Git, but to use Code Manager effectively, you should know some basics about Git.

Git is a modern code repository that allows for asynchronous work on the same code set by multiple users. It accomplishes this by distinguishing every code commit as the difference between the previous code commit. Every commit is the unique delta in code between the last commit and the current changes. The first commit might add hundreds of lines of code to a code base, but the following commit might be as simple as removing one line and replacing it with another. When this code is cloned (or copied) by another user, it brings down the latest code and allows the user to roll back to previous commits. ...

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