I claimed in a thread today, that projects using GitHub as a mirror, but refusing to process pull requests were being unnecessarily hostile to newcomers. This could be automated.
I decided to check my claim. Hilarity.
Turns out if you append the six characters ".patch" to the URL of the pull request, GitHub serves up a plain-text patch formatted as an mbox format file.
The man-page for `git send-email` specifies that as it's first preferred input format...