Try to subscribe to another github users events and fail..

testing-pubsubhubbub.sh

#!/bin/bash

# Subscribe to my own repo's events as me
# This succeeds with a 204.
curl -u "ralphbean" -i \
  https://api.github.com/hub \
  -F "hub.mode=subscribe" \
  -F "hub.topic=https://github.com/ralphbean/pyrasite/events/push" \
  -F "hub.callback=http://requestb.in/wxgbx8wx"

# Subscribe to another developer's repo's events as me
# This fails with 422 Unprocessable Entity
curl -u "ralphbean" -i \
  https://api.github.com/hub \
  -F "hub.mode=subscribe" \
  -F "hub.topic=https://github.com/lmacken/pyrasite/events/push" \
  -F "hub.callback=http://requestb.in/wxgbx8wx"