From e6fd557d6a2104a81d7112736266d2909df7a807 Mon Sep 17 00:00:00 2001
From: Alexandre <mateialex@outlook.fr>
Date: Sat, 27 Dec 2025 00:22:45 +0100
Subject: [PATCH] Added a Ollama.nix file, borrowed from 'DannyDannyDanny' on
 Github

---
 hosts/macos/modules.nix  |  1 +
 modules/macos/ollama.nix | 76 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 modules/macos/ollama.nix

diff --git a/hosts/macos/modules.nix b/hosts/macos/modules.nix
index 28e6669..0193607 100644
--- a/hosts/macos/modules.nix
+++ b/hosts/macos/modules.nix
@@ -3,6 +3,7 @@
 {
 # Enpty file for future imports
   imports = [
+    ../../modules/macos/ollama.nix
     (import ../../modules/common/ai.nix { inherit pkgs; })
   ];
 }
diff --git a/modules/macos/ollama.nix b/modules/macos/ollama.nix
new file mode 100644
index 0000000..70e3e65
--- /dev/null
+++ b/modules/macos/ollama.nix
@@ -0,0 +1,76 @@
+# src: https://github.com/nix-darwin/nix-darwin/pull/972
+{ config, lib, pkgs, ... }:
+with lib;
+let
+  cfg = config.services.ollama;
+in {
+  meta.maintainers = [ "velnbur" ];
+  options = {
+    services.ollama = {
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = "Whether to enable the Ollama Daemon.";
+      };
+      package = mkOption {
+        type = types.path;
+        default = pkgs.ollama;
+        description = "This option specifies the ollama package to use.";
+      };
+      host = mkOption {
+        type = types.str;
+        default = "127.0.0.1";
+        example = "0.0.0.0";
+        description = ''
+          The host address which the ollama server HTTP interface listens to.
+        '';
+      };
+      port = mkOption {
+        type = types.port;
+        default = 11434;
+        example = 11111;
+        description = ''
+          Which port the ollama server listens to.
+        '';
+      };
+      loadModels = mkOption {
+        type = types.nullOr types.str;
+        default = null;
+        example = "/path/to/ollama/models";
+        description = ''
+          The directory that the ollama service will read models from and download new models to.
+        '';
+      };
+      environmentVariables = mkOption {
+        type = types.attrsOf types.str;
+        default = { };
+        example = {
+          OLLAMA_LLM_LIBRARY = "cpu";
+          HIP_VISIBLE_DEVICES = "0,1";
+        };
+        description = ''
+          Set arbitrary environment variables for the ollama service.
+          Be aware that these are only seen by the ollama server (launchd daemon),
+          not normal invocations like `ollama run`.
+          Since `ollama run` is mostly a shell around the ollama server, this is usually sufficient.
+        '';
+      };
+    };
+  };
+  config = mkIf cfg.enable {
+    environment.systemPackages = [ cfg.package ];
+    launchd.user.agents.ollama = {
+      path = [ config.environment.systemPath ];
+      serviceConfig = {
+        KeepAlive = true;
+        RunAtLoad = true;
+        ProgramArguments = [ "${cfg.package}/bin/ollama" "serve" ];
+        EnvironmentVariables = cfg.environmentVariables // {
+          OLLAMA_HOST = "${cfg.host}:${toString cfg.port}";
+        } // (optionalAttrs (cfg.models != null) {
+          OLLAMA_MODELS = cfg.models;
+        });
+      };
+    };
+  };
+}