This is inconvenient:

Taskotron’s configuration file needs adjustments to communicate with the staging environment. Unfortunately, the runtask command does not currently have an option to specify an alternate configuration file. Thus, you have to modify /etc/taskotron/taskotron.yaml each time you want to switch between production and staging.

https://osmerlin.wordpress.com/2017/04/18/how-to-configure-your-fedora-development-system-to-access-the-fedora-staging-infrastructure/

Let's add a cmdline option to specify the config file.