wip

module/default.nix

@@ -0,0 +1,64 @@
+scope:
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  cfg = config.services.jellyfin;
+
+  plugin = name: (scope pkgs)."jellyfin-plugin-${name}".override {
+    jellyfin = cfg.package;
+  };
+
+  libs = pkg: fn: lib.lists.foldl (acc: lib: acc ++ lib.toList (fn lib)) [ ] pkg.pluginLibraries;
+
+  serviceConfig =
+    pkg:
+    let
+      make-rw = pkgs.writeShellScript "make-rw" ''
+        readonly src="${pkg}/''${1}"
+        readonly dst="${cfg.dataDir}/''${1}"
+        mkdir -p "''${dst%/*}"
+        [[ -f "''${dst}" ]] || cp "''${src}" "''${dst}"
+      '';
+    in
+    {
+      BindReadOnlyPaths = map (name: "${pkg}/${name}:${cfg.dataDir}/plugins/${pkg.name}/${name}") pkg.jellyfinPluginFiles;
+      BindPaths = [
+        "${cfg.dataDir}/plugins/${pkg.name}/meta.json"
+      ];
+    };
+
+  type.plugin = lib.types.addCheck lib.types.package (builtins.hasAttr "jellyfinPluginFiles");
+in
+{
+  options.services.jellyfin.plugins = lib.mkOption {
+    type = lib.types.listOf (lib.types.coercedTo lib.types.nonEmptyStr plugin type.plugin);
+    default = [ ];
+  };
+
+  config.systemd = lib.mkIf (cfg.plugins != { }) {
+    services.jellyfin.serviceConfig = lib.mkMerge (
+      [
+        { BindPaths = [ "${cfg.dataDir}/plugins" ]; }
+        { BindPaths = [ "${cfg.dataDir}/plugins/configurations/" ]; }
+      ]
+      ++ builtins.map serviceConfig cfg.plugins
+    );
+
+    tmpfiles.settings = lib.lists.foldl (
+      acc: pkg:
+      acc
+      // {
+        ${pkg.name}."${cfg.dataDir}/plugins/${pkg.name}/meta.json".C = {
+          group = cfg.group;
+          user = cfg.user;
+          mode = "0700";
+          argument = "${pkg}/meta.json";
+        };
+      }
+    ) { } cfg.plugins;
+  };
+}