Use anki plugins declaratively.

hive/framework/default.nix

@@ -54,22 +54,20 @@
   home-manager = {
     useGlobalPkgs = true;
     useUserPackages = true;
-    users.jrpotter = args@{ pkgs, lib, ... }:
-      let
-        base = import ../../users/jrpotter args // {
+    users.jrpotter = { pkgs, ... }: {
+      imports = [
+        ../../users/jrpotter
+        ../../users/jrpotter/anki.nix
+      ];
+
       dconf.settings = {
         "org/virt-manager/virt-manager/connections" = {
           autoconnect = ["qemu:///system"];
           uris = ["qemu:///system"];
         };
       };
-        };
-      in
-        lib.attrsets.updateManyAttrsByPath [
-          {
-            path = [ "home" "packages" ];
-            update = old: old ++ (with pkgs; [
-              anki-bin
+
+      home.packages = with pkgs; [
         bitwarden
         chromium
         firefox
@@ -78,9 +76,8 @@
         vlc
         wezterm
         zotero
-            ]);
-          }
-        ] base;
+      ];
+    };
 
     # Used to pass non-default parameters to submodules.
     extraSpecialArgs = {

users/jrpotter/anki.nix

@@ -0,0 +1,52 @@
+{ pkgs, ... }:
+let
+  FlexibleGrading = pkgs.fetchFromGitHub {
+    owner = "jrpotter";
+    repo = "FlexibleGrading";
+    rev = "d9cd06bbb154a0740518e58e4619d3855e22c027";
+    hash = "sha256-ciIVFyt7TDBeC+h5feA5I17Ld1Pge/hRDqGMMcLTJiM=";
+    fetchSubmodules = true;
+  };
+
+  image-occlusion-enhanced = pkgs.fetchFromGitHub {
+    owner = "glutanimate";
+    repo = "image-occlusion-enhanced";
+    rev = "33711026fbbfd0950fcfaee88ce776ab5e395f9b";
+    hash = "sha256-aSe9IzezhV3MGW/KGcul+Eesa5oQVwisVse5tjr8RQc=";
+  };
+
+  syntax-highlighting-ng = pkgs.stdenv.mkDerivation {
+    name = "syntax-highlighting-ng";
+    src = pkgs.fetchgit {
+      url = "https://github.com/cav71/syntax-highlighting-ng";
+      rev = "138db00d5372e155ac056a148a5cd05a7455bfe1";
+      hash = "sha256-2EEiS/wF2YcQf9U7rYxeWmgAluh5iUAE4fpron7JKw4=";
+    };
+
+    installPhase = ''
+      mkdir -p $out
+      cp -r ./src/syntax_highlighting_ng/* $out
+      cat <<EOF > $out/config.json
+      {
+        "hotkey": "Alt+s",
+        "limitToLangs": [],
+        "style": "monokai"
+      }
+      EOF
+    '';
+  };
+in
+{
+  xdg.dataFile."Anki2/addons21/1715096333" = {
+    source = FlexibleGrading;
+    recursive = true;  # Let's addon write to directory.
+  };
+
+  xdg.dataFile."Anki2/addons21/1374772155".source =
+    "${image-occlusion-enhanced}/src/image_occlusion_enhanced";
+
+  xdg.dataFile."Anki2/addons21/566351439".source =
+    syntax-highlighting-ng;
+
+  home.packages = [ pkgs.anki-bin ];
+}