Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

upgrade-75.sql
-- These take about 9 minutes in total on a replica of hydra.nixos.org

create index IndexBuildsJobsetIdCurrentUnfinished on Builds(jobset_id) where isCurrent = 1 and finished = 0;
create index IndexBuildsJobsetIdCurrentFinishedStatus on Builds(jobset_id, buildstatus) where isCurrent = 1 and finished = 1;
create index IndexBuildsJobsetIdCurrent on Builds(jobset_id) where isCurrent = 1;