Unfortunately, ServiceNow has made the interesting (see: baffling) decision to make it confoundingly difficult to figure out how to change the Git repo your application is associated with, once it’s been linked to one. I can’t fathom why they might’ve done this, but that is unfortunately not an unusual sentiment when it comes to ServiceNow.

Knowing that I’m liable to let this article devolve into a 10-page ranting, rambling manifesto lamenting the unnecessarily opaque and undocumented process for doing basic things like changing the repo your application is associated with, let’s instead get straight on in to how to do it anyway.

Generating an SSH Key

If you haven’t already got one set up (such as if your new repo is associated to a new Github account), you’ll need to first generate an SSH public/private key pair. This will allow your ServiceNow instance to authenticate to your your Github account and repositories.

1. Using a tool such as this one, enter a passphrase and click Generate-SSH-Keys. Save the Public and Private keys somewhere temporarily, and don't forget the passphrase! You’ll need all three of these in a bit.

2. From Github, click your profile icon and go to Settings…