Yes - I should have mentioned this is specific to GitHub! I don't know if other hosting platforms implement PRs the same way (ie. refs on the main repo), but if they do (or to find out if they do), you can do git ls-remote origin to list all of the refs on the remote and see if any pattern emerges from the output.
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Is this assuming that the remote is Github?
Yes - I should have mentioned this is specific to GitHub! I don't know if other hosting platforms implement PRs the same way (ie. refs on the main repo), but if they do (or to find out if they do), you can do
git ls-remote originto list all of the refs on the remote and see if any pattern emerges from the output.