harlan kellaway's blog // Quick Tip - Syncing Your Local Git Fork

Published 11-19-2014

Having just wrestled for too long with how to sync my local branch - I thought I'd write a quick post on how I got it down.

Setup: I forked a project two days ago and have since been working on my fork locally. In the meanwhile, the original repository I forked had changes made. Before I continued with development, I wanted to make sure that my local branch and the original repository were in sync.

I thought this might be as simple as a *git fetch upstream* (https://help.github.com/articles/syncing-a-fork/) - but it turns out I did not have my *upstream* set. Upon doing a *git upstream*, I received the frustrating message:

fatal: 'upstream' does not appear to be a git repository

Indeed, doing a `git remote -v` confirmed this:

origin https://github.com/my-project/repo-name.git (fetch)
origin https://github.com/my-project/repo-name.git (push)

After reading a bit, I attempted a *git remote set-url upstream https://github.com/original-project/repo-name.git*

This, however resulted in fatal: No such remote ‘upstream’

More reading revealed the answer: I needed to *add* the upstream repository before *fetch*ing from it:

git remote add upstream https://github.com/original-project/repo-name.git

Doing a *git remote -v* confirmed I had it set correctly this time:

origin https://github.com/my-project/repo-name.git (fetch)
origin https://github.com/my-project/repo-name.git (push)
upstream https://github.com/original-project/repo-name.git (fetch)
upstream https://github.com/original-project/repo-name.git (push)

Happy coding!

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