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ForkingMeaning you copied it to your own, but it is marked as forked from the original repository. You can add, edit, and delete files in your version.

Your forked repository can be easily fetched from upstream.

Update in Git分叉仓库

Clone your forked repository, go to your project folder and run the following command on your bash.

git remote add upstream https://github.com/authorname/original-repository-name.git

This code adds a upstreamremote called . remoteIt's like a nickname for the repository link.

When you execute git fetch origin master, it's like remote origin. You can now do one git fetch upstream master.

git remote -v

origin  https://github.com/you/original-repository-name.git (fetch)
origin  https://github.com/you/original-repository-name.git (push)
upstream  https://github.com/authorname/original-repository-name.git (fetch)
upstream  https://github.com/authorname/original-repository-name.git (push)

Now, we will fetch all upstream branches.

git fetch upstream

Select the branch where you want to update the changes to your forked repository. For example, master.

git checkout master

Merge the branch from upstream. In this case, your commit history will not be affected.

git merge upstream/master

If you want to completely clean up from upstream, run the following. This will rewrite your commits and may affect people who clone your repository.

git rebase upstream/master

The final step is to push your branch.

If you do merge, run the following code.

git push origin master

If you did a rebase, run the following code.

git push -f origin master

Note that the force -fflag is only needed on your first push after a rebase.

Rethinking the fact of updating forked repositories in Git

上游Reconsider the value of your time, work, and effort to those who clone your repository .

Always create a branch when you are not sure what to pull or update.

Do you have a backup repo? Do you do branches? It's easier to delete temporary branches than to rework something you've already done.

Therefore, practice this tutorial first to familiarize yourself with the steps and get used to what works and what doesn’t work before applying it to your actual warehouse.