I forked a project, applied several fixes and created a pull request which was accepted. A few days later, another change was made by another contributor. So my fork doesn't contain that change.
How can I get that change into my fork? Do I need to delete and re-create my fork when I have further changes to contribute? Or is there an update button?
Syncing a fork branch from the web UI On GitHub, navigate to the main page of the forked repository that you want to sync with the upstream repository. Select the Fetch upstream drop-down. Review the details about the commits from the upstream repository, then click Fetch and merge.
Go to your fork, click on Fetch upstream , and then click on Fetch and merge to directly sync your fork with its parent repo. You may also click on the Compare button to compare the changes before merging.
To sync your forked repo with the parent or central repo on GitHub you: Create a pull request on GitHub.com to update your fork of the repository from the original repository, and. Run the git pull command in the terminal to update your local clone.
Sync from the UI Clicking on that you have the possibility to compare the changes made in the source repo with the ones made in your forked repo, and also to automatically fetch and merge them into your repo.
In your local clone of your forked repository, you can add the original GitHub repository as a "remote". ("Remotes" are like nicknames for the URLs of repositories - origin
is one, for example.) Then you can fetch all the branches from that upstream repository, and rebase your work to continue working on the upstream version. In terms of commands that might look like:
# Add the remote, call it "upstream": git remote add upstream https://github.com/whoever/whatever.git # Fetch all the branches of that remote into remote-tracking branches git fetch upstream # Make sure that you're on your master branch: git checkout master # Rewrite your master branch so that any commits of yours that # aren't already in upstream/master are replayed on top of that # other branch: git rebase upstream/master
If you don't want to rewrite the history of your master branch, (for example because other people may have cloned it) then you should replace the last command with git merge upstream/master
. However, for making further pull requests that are as clean as possible, it's probably better to rebase.
If you've rebased your branch onto upstream/master
you may need to force the push in order to push it to your own forked repository on GitHub. You'd do that with:
git push -f origin master
You only need to use the -f
the first time after you've rebased.
Starting in May 2014, it is possible to update a fork directly from GitHub. This still works as of September 2017, BUT it will lead to a dirty commit history.
Update from original
).Now you have three options, but each will lead to a less-than-clean commit history.
This branch is X commits ahead, Y commits behind <original fork>
.So yes, you can keep your repo updated with its upstream using the GitHub web UI, but doing so will sully your commit history. Stick to the command line instead - it's easy.
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