In git, another repo is called a “remote.” The standard convention is that when you’re treating the remote as the “authoritative source of truth” (such as GitHub) you would name it the “origin”.

By “authoritative source of truth” we mean that it’s the one you and your team treat as the “true” repo. It’s the one that contains the most up-to-date version of the accepted code.

1git remote add <name> <uri>

To get the content of the remote, we need to fetch it:

1git fetch origin

This downloads copies of all the contents of the .git/objects directory (and other book-keeping information) from the remote repository into your current one.

Fetching won’t populate your working dir, nor your local commits. The remote’s commits are kept separate.

You can look at the look of a remote you fetched with

1git log remote/branch

Merge

In order to bring the data from the remote into our local repo, we need to merge what we fetched.

Just as we can merge branches within a single local repo, we can also merge branches between local and remote repos.

1git merge remote/branch

Push

The git push command pushes (sends) local changes to any “remote”. For example, to push our local main branch’s commits to the remote origin’s main branch we would run:

1git push origin main

You can also push a local branch to a remote with a different name:

1git push origin <localbranch>:<remotebranch>

You can also delete a remote branch by pushing an empty branch to it:

1git push origin :<remotebranch>

Pull

You can do fetch and merge in a single command:

1git pull [<remote>/<branch>]

References

• boot.dev

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