nextcloud31: init at 31.0.0

[transcaffeine]

Release notes: https://github.com/nextcloud/server/releases/tag/v31.0.0
Upgrade notes: https://docs.nextcloud.com/server/31/admin_manual/release_notes/upgrade_to_31.html

Things done

• Built on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin
• For non-Linux: Is sandboxing enabled in nix.conf? (See Nix manual)
  • sandbox = relaxed
  • sandbox = true
• Tested, as applicable:
  • NixOS test(s) (look inside nixos/tests)
  • and/or package tests
  • or, for functions and "core" functionality, tests in lib/tests or pkgs/test
  • made sure NixOS tests are linked to the relevant packages
• Tested compilation of all packages that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review rev HEAD". Note: all changes have to be committed, also see nixpkgs-review usage
• Tested basic functionality of all binary files (usually in ./result/bin/)
• 25.05 Release Notes (or backporting 24.11 and 25.05 Release notes)
  • (Package updates) Added a release notes entry if the change is major or breaking
  • (Module updates) Added a release notes entry if the change is significant
  • (Module addition) Added a release notes entry if adding a new NixOS module
• Fits CONTRIBUTING.md.

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[dotlambda]

The line latest = 30; in nixos/modules/services/web-apps/nextcloud.nix needs to be updated.

[Ma27]

I'd recommend looking at the old commits adding a new major version for what needs to be done.
New major versions always involve a little fiddling in here since we have no reasonable way to detect N+2 upgrades (nextcloud only allows moving one version forward), so the code is tries to communicate that via warnings which need regular adjustments.

[transcaffeine]

Thanks, after viewing the commit that initialized nextcloud30, i added the nextcloud modules upgrade warnings. I was unsure about the 8.4 PHP update, but it is listed as supported by Nextcloud https://docs.nextcloud.com/server/31/admin_manual/release_notes/upgrade_to_31.html

[dotlambda]

Suggested change

	++ (optional (versionOlder cfg.package.version "31") (upgradeWarning 30 "25.05"));
	++ (optional (versionOlder cfg.package.version "31") (upgradeWarning 30 "25.05"))
	;

would make future diffs prettier

[dotlambda]

Upstream still recommends 8.3 though.