64 lines
3.3 KiB
Markdown
64 lines
3.3 KiB
Markdown
---
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nav: blog
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title: Updating Forked Repositories on GitHub
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date: 2015-06-18 11:35:00
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meta:
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description: I just had to update a repo that I forked on GitHub. This is how I did it. Did I do it the correct way?
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tags:
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- git
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- github
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- sculpin
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---
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{% block content %}
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## Sculpin
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People may or may not know, but this site runs on [Sculpin](https://sculpin.io/), a PHP based static site generator (this may be the first time that I've mentioned it on this site). The source code is hosted on [GitHub](https://github.com/opdavies/oliverdavies.uk), and I've listed the site on the [Community page](https://sculpin.io/community/) on the Sculpin website.
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To get it there, I forked the [main sculpin.io repository](https://github.com/sculpin/sculpin.io) so that I had [my own copy](https://github.com/opdavies/sculpin.io), created a branch, made my additions and submitted a pull request. Easy enough!
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## New Domain
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In the last week or so, I've changed this site URL from .co.uk to just .uk, and also updated the GitHub repo URL to match, so I wanted to update the Community page to use the correct URL.
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There had been commits to the main repo since my pull request was merged, I didn't want to delete my repo and fork again, and making any changes against and old codebase isn't best practice, so I wanted to merge the latest changes into my forked repo before I did anything else - just to check that I didn't break anything!
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## Updating my Local Repo
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I had a quick look for a *Update my fork* button or something, but couldn't see one to I added the main repository as an additional remote called `upstream` and fetched the changes.
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$ git remote add upstream https://github.com/sculpin/sculpin.io.git
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$ git fetch upstream
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remote: Counting objects: 33, done.
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remote: Total 33 (delta 6), reused 6 (delta 6), pack-reused 27
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Unpacking objects: 100% (33/33), done.
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From https://github.com/sculpin/sculpin.io
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* [new branch] master -> upstream/master
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* [new branch] pr/4 -> upstream/pr/4
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Now my local site knows about the upstream repo, and I could rebase the changes (`git pull upstream master` should have worked too) and push them back to origin.
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$ git rebase upstream/master
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First, rewinding head to replay your work on top of it...
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...
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Fast-forwarded master to upstream/master.
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$ git push origin master
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This seems to have worked OK - the commits are still authored by the correct people and at the correct date and time - and I went ahead and created a new feature branch and pull request based on that master branch.
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<figure>
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<img src="/assets/images/blog/forked-github-repo-commits.png" alt="The commits on my master branch after rebasing">
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<figcaption>The commits on my forked master branch after rebasing and pushing. All good!</figcaption>
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</figure>
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<figure>
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<img src="/assets/images/blog/my-commit-to-the-rebased-branch.png" alt="The new feature branch with my additional commit.">
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<figcaption>The new feature branch with the new commit.</figcaption>
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</figure>
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## Is There a Better Way?
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Did I miss something? Is there a recommended and/or better way to update your forked repos, maybe through the UI? Please <a href="https://twitter.com/?status=Rebasing GitHub Forks: @{{ site.twitter.name }}">send me a tweet</a> with any comments.
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{% endblock %}
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