Upstream sync

Learn to sync with upstream after forking.

Upstream Synchronization

After creating a fork, new commits may be published in the original repository. To keep your fork updated, you can define the original repository as a remote named upstream. This lets you track updates from the source project.

origin   → Your fork
upstream → Original repository

Fetch Updates from the Original Repository

First, you can add the original repository URL under the name upstream. Then git fetch upstream downloads information about new changes from that remote. Fetch does not directly merge those changes into your working files.

git remote add upstream https://github.com/original/project.git
git fetch upstream

Exercise Fetch from Upstream

The original repository has already been added as upstream. Complete the Git command to retrieve its new commit information.

Test yourself

Which repository does upstream usually refer to in a fork workflow?
- A temporary folder on the computer
- The fork repository in your own account
- The original project
- Git installation files
Show answer

The original project — Upstream refers to the original repository from which the fork was created. Origin is usually the URL of your own fork.
Fetch Information from the Original Repository
```
git fetch ____
```
Show answer
```
git fetch upstream
```
Upstream Synchronization Concepts

origin

Remote name for your own fork
upstream

Remote name for original repo
fetch

Downloads remote change info
sync

Keep fork updated with source project

Next lesson: Summary - Fork

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