From b96f94887953deeb6e5888bdb7114315016147e7 Mon Sep 17 00:00:00 2001
From: Yves Fischer <yvesf+git@xapek.org>
Date: Thu, 25 Aug 2022 23:35:20 +0200
Subject: simplify nix build config

---
 flake.nix | 37 ++++++++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 5 deletions(-)

(limited to 'flake.nix')

diff --git a/flake.nix b/flake.nix
index 87e4b9c..c187dd9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,10 +1,37 @@
 {
-  inputs.nixpkgs.url = "nixpkgs/nixos-20.09";
-  outputs = { self, nixpkgs }:
-    with import nixpkgs { system = "x86_64-linux"; };
+  outputs = { ... }:
+    let
+      batteriewarner = { lib, rustPlatform, makeWrapper }:
+        rustPlatform.buildRustPackage rec {
+          name = "batteriewarner-${version}";
+          version = "2022-08-25";
+          src = ./.;
+          cargoLock.lockFile = ./Cargo.lock;
+          buildInputs = [ makeWrapper ];
+          meta = {
+            description = "Display low battery status using the power led of Thinkpads X-series";
+            homepage = https://github.com/yvesf/batteriewarner;
+            platforms = lib.platforms.all;
+          };
+        };
+    in
     {
-      defaultPackage.x86_64-linux = callPackage ./. { };
-      nixosModule = { config }: { imports = [ ./module.nix ]; };
+      nixosModule = { config, lib, pkgs, ... }:
+        let
+          package = pkgs.callPackage batteriewarner { };
+          cfg = config.services.batteriewarner;
+        in
+        {
+          options.services.batteriewarner.enable = lib.mkEnableOption "Batteriewarner";
+          config = lib.mkIf cfg.enable {
+            systemd.services.batteriewarner = {
+              enable = true;
+              description = "Batteriewarner";
+              wantedBy = [ "multi-user.target" ];
+              serviceConfig.ExecStart = "${package}/bin/batteriewarner";
+            };
+          };
+        };
     };
 }
 
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