Branches

Every branch we create locally has no relation to the branch on the remote at all. Only there is one small reference in the metadata, which says that a specific local branch is linked to a specific remote branch.

They're two parallel branches, which aren't connected in any way.

remote to local relation

All relation to GIT local to remote branches are stored in the metadata of the local repository. It's defined in the .git/config file.

Fetch

What your local repository knows is just from the when the last pull or fetch was done. If you further changes are made in the remote, the local GIT client has no idea about them.

When you are making changes to your local branch,

• GIT diffs shows changes only whats done on top of your local branch history.
• GIT fetch updates the local repository of the origin branch.
• This is then used to