Add sequoia.

nix/configuration/roles/openpgp_card_tools/default.nix

@@ -0,0 +1,49 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [
+    ./openpgp-card-ssh-agent.nix
+  ];
+
+  options.me = {
+    openpgp_card_tools.enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      example = true;
+      description = "Whether we want to install openpgp-card-tools.";
+    };
+  };
+
+  config = lib.mkIf config.me.openpgp_card_tools.enable (
+    lib.mkMerge [
+      {
+        environment.systemPackages = with pkgs; [
+          openpgp-card-tools
+          openpgp-card-tool-git
+          openpgp-card-ssh-agent
+        ];
+
+        nixpkgs.overlays = [
+          (final: prev: {
+            openpgp-card-tool-git = (final.callPackage ./package/openpgp-card-tool-git/package.nix { });
+            openpgp-card-ssh-agent = (final.callPackage ./package/openpgp-card-ssh-agent/package.nix { });
+          })
+        ];
+
+        me.install.user.talexander.file = {
+          ".config/openpgp-card-state/config.toml" = {
+            source = ./files/openpgp-card-state.toml;
+          };
+        };
+
+        # The current openpgp-card-ssh-agent has an outdated dependency on openpgp-card-state which makes it not handle my current openpgp-card-state.toml
+        # services.openpgp-card-ssh-agent.enable = true;
+      }
+    ]
+  );
+}