mod_pubsub_github/README: Note that it might work with Gitlab as well Guess based on looking at this documentation: https://developer.github.com/v3/activity/events/types/#pushevent https://docs.gitlab.com/ee/system_hooks/system_hooks.html#push-events

This module writes out a traceback to `traceback.txt` in Prosodys data
directory (see `prosodyctl about`) when the signal `SIGUSR1` is
received. This is useful when debugging seemingly frozen instances in
case it is stuck in Lua code.