DevOps with Windows Server 2016 by Ritesh Modi

Author:Ritesh Modi [Modi, Ritesh]
Language: eng
Format: azw3
Publisher: Packt Publishing
Published: 2017-03-24T04:00:00+00:00

Git init

Git init initializes an empty Git repository with an empty history. The command can be executed using Git for Windows and is shown next:

Git init

It initializes a Git repository at the current folder location and adds a hidden .Git folder to it. This .Git folder is known as the Git repository and maintains the entire history of code changes over a period of time.

Git init <<folder location>>

It initializes a Git repository at given folder location and adds a hidden .Git folder to it.

Files or folders in a Git initialized repository can be either in a tracked or untracked state. The mere presence of a file or folder in the Git initialized directory does not mean that it is part of the Git repository. These files and folders are referred to as untracked files and folders. Git is not aware of any changes to untracked files.

Git follows a two-phase approach to ensure that files or folders can be tracked and are under the control of Git. The first phase is known as staging. When files and folders are staged, they are added and recorded in the Git repository but not yet committed to it. Blob (Binary large objects) objects are generated by Git for each added file and recorded in Git's index file within the .Git folder. The next phase is to commit the staged changes. Committing generates a commit object, which refers to the object graph of the working tree and stores the same in the Git repository. The Git commit object uniquely identifies a revision or version of all files and folders in a repository using an ID. The Git repository keeps track of all commit objects. The repository always points to the most recent Git commit object and when a new commit object is created, it moves the pointer to the new commit object. Each commit object also has a reference to its parent commit object. The commit graph is shown in Figure 3.

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