Is there any documentation about internal structure of Git index file? From various book

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Asked: May 27, 20262026-05-27T07:27:29+00:00 2026-05-27T07:27:29+00:00

Is there any documentation about internal structure of Git index file? From various book

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Is there any documentation about internal structure of Git index file? From various book I know it’s binary and it contains SHAs of staged files, I know about Git ‘plumbing’ commands helping to reveal index content…

But how about read index by myself using C#, for example?

I know that there several implementations of this feature, so it’s possible to study the code:

In Git itself;
In libgit2 written on C;
In GitSharp ported to C# from Java.

And all these options a bit complex, because need to hack around other’s code. I would prefer to develop from scratch using data format explanation. If it’s possible of cause.

Would appreciate your help very much!