refactor(copyparty): default writable volume settings

configs/nixos/guests/copyparty.nix

@@ -5,40 +5,51 @@
 }:
 let
   cfg = config.guests.copyparty; # NOLINT(let_order)
+  accountName = config.user.name;
 
+  volumeType = lib.types.submodule (
+    { config, ... }:
+    {
+      options = {
+        hostPath = lib.mkOption {
+          type = lib.types.str;
+          description = "Host path bind-mounted into the Copyparty guest for this volume.";
+        };
+
+        path = lib.mkOption {
+          type = lib.types.str;
+          description = "Guest path served by this Copyparty volume.";
+        };
+
+        access = lib.mkOption {
+          type = lib.types.attrsOf (lib.types.listOf lib.types.str);
+          default.A = [ accountName ];
+          description = "Copyparty access map from permission string to account names.";
+        };
+
+        readOnly = lib.mkOption {
+          type = lib.types.bool;
+          default = false;
+          description = "Serve this Copyparty volume read-only.";
+        };
+
+        flags = lib.mkOption {
+          type = lib.types.attrs;
+          default =
+            if config.readOnly then
+              { }
+            else
+              {
+                d2d = true;
+                d2t = true;
+                dthumb = true;
+              };
+          description = "Copyparty volume flags.";
+        };
+      };
+    }
+  );
   stateDir = "/var/lib/copyparty";
-
-  volumeType = lib.types.submodule {
-    options = {
-      hostPath = lib.mkOption {
-        type = lib.types.str;
-        description = "Host path bind-mounted into the Copyparty guest for this volume.";
-      };
-
-      path = lib.mkOption {
-        type = lib.types.str;
-        description = "Guest path served by this Copyparty volume.";
-      };
-
-      access = lib.mkOption {
-        type = lib.types.attrsOf (lib.types.listOf lib.types.str);
-        default = { };
-        description = "Copyparty access map from permission string to account names.";
-      };
-
-      readOnly = lib.mkOption {
-        type = lib.types.bool;
-        default = false;
-        description = "Serve this Copyparty volume read-only.";
-      };
-
-      flags = lib.mkOption {
-        type = lib.types.attrs;
-        default = { };
-        description = "Copyparty volume flags.";
-      };
-    };
-  };
 in
 {
   options.guests.copyparty = {

configs/nixos/hosts/pikachu/default.nix

@@ -135,22 +135,10 @@
       "/inbox" = {
         hostPath = "/pikachu/__inbox";
         path = "/pikachu/__inbox";
-        access.A = [ config.user.name ];
-        flags = {
-          d2d = true;
-          d2t = true;
-          dthumb = true;
-        };
       };
       "/media" = {
         hostPath = "/pikachu/media";
         path = "/pikachu/media";
-        access.A = [ config.user.name ];
-        flags = {
-          d2d = true;
-          d2t = true;
-          dthumb = true;
-        };
       };
       "/opds" = {
         hostPath = "/pikachu/data/opds";