e1e15974f8
The version 20 of Nextcloud will be EOLed by the end of this month[1]. Since the recommended default (that didn't raise an eval-warning) on 21.05 was Nextcloud 21, this shouldn't affect too many people. In order to ensure that nobody does a (not working) upgrade across several major-versions of Nextcloud, I replaced the derivation of `nextcloud20` with a `throw` that provides instructions how to proceed. The only case that I consider "risky" is a setup upgraded from 21.05 (or older) with a `system.stateVersion` <21.11 and with `services.nextcloud.package` not explicitly declared in its config. To avoid that, I also left the `else-if` for `stateVersion < 21.03` which now sets `services.nextcloud.package` to `pkgs.nextcloud20` and thus leads to an eval-error. This condition can be removed as soon as 21.05 is EOL because then it's safe to assume that only 21.11. is used as stable release where no Nextcloud <=20 exists that can lead to such an issue. It can't be removed earlier because then every `system.stateVersion < 21.11` would lead to `nextcloud21` which is a problem if `nextcloud19` is still used. [1] https://docs.nextcloud.com/server/20/admin_manual/release_schedule.html |
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