'How Git stores data' git beginners
When I started using Git, I memorized commands to get the job done without really understanding what was happening under the hood. Git is a distributed version control software, which means you don’t need an external server to use it. All the data that Git needs is stored in the `git` folder. As a Git user, you have no business changing those files, but for the purposes of this article, we’ll take a look inside to see how Git stores the data.I'm a JavaScript developer.
Right now, it’s almost empty: we have a few folders, mostly example files for hooks. We will ignore these; our focus in this article will be mostlyGit stores every single version of each file it tracks as a blob. Git identifies blobs by the hash of their content and keeps them inThe easiest way to create an object is to add an object to the. What is in the stage will be part of the next commit. Staging is the “pre-commit” state in git.
It’s compressed for storage efficiency. We can see what’s inside by running the following Git command:the content inside—no metadata for the file.Let’s see what happens if we make some changes to the file and add the updated version:Let’s add the current version to the stage:$ ls -R .git/objects 34 d2 info pack .git/objects/34: 5e6aef713208c8d50cdea23b85e6ad831f0449 .git/objects/d2: 77ba2806ce99d418b0b5d6c28643deca0e36dc ...
Similarly, because different versions of the same file will have multiple blobs, Git will create another tree object for each folder version.Usually, you create a tree as part of the commit. We will cover commits later in this article, but in the meantime, let’s use
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