programs/_1password: init module

modules/module-list.nix

@@ -99,6 +99,7 @@
   ./services/yabai
   ./services/nextdns
   ./services/jankyborders
+  ./programs/_1password.nix
   ./programs/bash
   ./programs/direnv.nix
   ./programs/fish.nix

modules/programs/_1password.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.programs._1password;
+in
+{
+  options = {
+    programs._1password = {
+      enable = lib.mkEnableOption "the 1Password CLI tool";
+
+      package = lib.mkPackageOption pkgs "1Password CLI" {
+        default = [ "_1password-cli" ];
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # Integration with the 1Password GUI will only work if the CLI at `/usr/local/bin/op`
+    # Based on https://github.com/reckenrode/nixos-configs/blob/22b8357fc6ffbd0df5ce50dc417c23a807a268a2/modules/by-name/1p/1password/darwin-module.nix
+    system.activationScripts.applications.text = lib.mkAfter ''
+      install -o root -g wheel -m0555 -D \
+        ${lib.getExe pkgs._1password-cli} /usr/local/bin/op
+    '';
+  };
+}
+