Git isn't magic

Every git repository has .git folder inside it. It will be created when we run git init. Its the folder responsible for git working.

What's Inside .git ?

That's it
.git/
├── HEAD
├── config
├── description
├── index
├── hooks/
├── info/
├── objects/
├── refs/
├── logs/
├── COMMIT_EDITMSG
├── FETCH_HEAD
├── ORIG_HEAD
└── packed-refs