nix/hm: move environment to systemd.environment + refactor (#551)

* nix/hm: environment moved to systemd.environment

* nix/hm: change systemd default target

Follow the home-manager convention for wayland systemd services

* nix/hm: refactor

* readme: refactor configuring section

* readme: fix format

* format

---------

Co-authored-by: 2 * r + 2 * t <61896496+soramanew@users.noreply.github.com>

1 files changed, 19 insertions, 15 deletions

diff --git a/nix/hm-module.nix b/nix/hm-module.nix
index 7eb6efa..92f2f51 100644
--- a/nix/hm-module.nix
+++ b/nix/hm-module.nix
@@ -11,6 +11,9 @@ self: {
 
   cfg = config.programs.caelestia;
 in {
+  imports = [
+    (lib.mkRenamedOptionModule ["programs" "caelestia" "environment"] ["programs" "caelestia" "systemd" "environment"])
+  ];
   options = with lib; {
     programs.caelestia = {
       enable = mkEnableOption "Enable Caelestia shell";
@@ -30,7 +33,15 @@ in {
           description = ''
             The systemd target that will automatically start the Caelestia shell.
           '';
-          default = "graphical-session.target";
+          default = config.wayland.systemd.target;
+        };
+        environment = mkOption {
+          type = types.listOf types.str;
+          description = "Extra Environment variables to pass to the Caelestia shell systemd service.";
+          default = [];
+          example = [
+            "QT_QPA_PLATFORMTHEME=gtk3"
+          ];
         };
       };
       settings = mkOption {
@@ -43,14 +54,6 @@ in {
         default = "";
         description = "Caelestia shell extra configs written to shell.json";
       };
-      environment = mkOption {
-        type = types.listOf types.str;
-        description = "Extra Environment variables to pass to the Caelestia shell systemd service.";
-        default = [ ];
-        example = [
-          "QT_QPA_PLATFORMTHEME=gtk3"
-        ];
-      };
       cli = {
         enable = mkEnableOption "Enable Caelestia CLI";
         package = mkOption {
@@ -73,8 +76,8 @@ in {
   };
 
   config = let
-    cli = cfg.cli.package or cli-default;
-    shell = cfg.package or shell-default;
+    cli = cfg.cli.package;
+    shell = cfg.package;
   in
     lib.mkIf cfg.enable {
       systemd.user.services.caelestia = lib.mkIf cfg.systemd.enable {
@@ -93,10 +96,11 @@ in {
           Restart = "on-failure";
           RestartSec = "5s";
           TimeoutStopSec = "5s";
-          Environment = [
-            "QT_QPA_PLATFORM=wayland"
-          ]
-          ++ cfg.environment;
+          Environment =
+            [
+              "QT_QPA_PLATFORM=wayland"
+            ]
+            ++ cfg.systemd.environment;
 
           Slice = "session.slice";
         };