switch nextcloud to nix-based apps

docs/repair-nextcloud.md

@@ -8,7 +8,7 @@ sudo -u nextcloud nextcloud-occ maintenance:repair
 sudo -u nextcloud nextcloud-occ maintenance:mode --off
 ```
 
-Converting from SQLite to MySQL (mariadb)
+## Converting from SQLite to MySQL (mariadb)
 
 First: keep Nextcloud set to SQLite as its dbtype, and separately launch MySQL
 as a service by copying the configuration found
@@ -44,3 +44,16 @@ be. Now update your NixOS configuration:
 - Set `database.createLocally` to `true`.
 
 Rebuild your configuration.
+
+Now, make sure to enable [4-byte
+support](https://docs.nextcloud.com/server/latest/admin_manual/configuration_database/mysql_4byte_support.html)
+in the database.
+
+## Backing Up MySQL Database
+
+Use this mysqldump command:
+
+```
+sudo -u nextcloud mysqldump -S /run/mysqld/mysqld.sock --default-character-set=utf8mb4 nextcloud > backup.sql
+```
+

modules/nixos/services/nextcloud.nix

@@ -17,6 +17,25 @@
         trustedProxies = [ "127.0.0.1" ];
       };
       extraOptions = { default_phone_region = "US"; };
+      extraAppsEnable = true;
+      extraApps = with config.services.nextcloud.package.packages.apps; {
+        inherit calendar contacts;
+        news = pkgs.fetchNextcloudApp {
+          url =
+            "https://github.com/nextcloud/news/releases/download/22.0.0/news.tar.gz";
+          sha256 = "sha256-hhXPEITSbCiFs0o+TOsQnSasXBpjU9mA/OFsbzuaCPw=";
+        };
+        external = pkgs.fetchNextcloudApp {
+          url =
+            "https://github.com/nextcloud-releases/external/releases/download/v5.2.0/external-v5.2.0.tar.gz";
+          sha256 = "sha256-gY1nxqK/pHfoxW/9mE7DFtNawgdEV7a4OXpscWY14yk=";
+        };
+        cookbook = pkgs.fetchNextcloudApp {
+          url =
+            "https://github.com/nextcloud/cookbook/releases/download/v0.10.2/Cookbook-0.10.2.tar.gz";
+          sha256 = "sha256-XgBwUr26qW6wvqhrnhhhhcN4wkI+eXDHnNSm1HDbP6M=";
+        };
+      };
     };
 
     # Don't let Nginx use main ports (using Caddy instead)