From e34953f595eeb0a18159a569e1a1bc263f1df2c3 Mon Sep 17 00:00:00 2001
From: Davi Ribeiro <104164579+Markus328@users.noreply.github.com>
Date: Tue, 12 Aug 2025 12:06:24 -0300
Subject: nix: add home manager module (#402)

* nix/hm: add home manager module

* nix/hm: remove uneeded options

* nix/hm: add cli option

* nix/hm: allow shell use CLI when 'cli.enable' is false

* nix/hm: fix systemd service

* nix/hm: use config dir from xdg standard
---
 nix/hm-module.nix | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 nix/hm-module.nix

(limited to 'nix/hm-module.nix')

diff --git a/nix/hm-module.nix b/nix/hm-module.nix
new file mode 100644
index 0000000..631ee4a
--- /dev/null
+++ b/nix/hm-module.nix
@@ -0,0 +1,82 @@
+self: {
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  cli-default = self.inputs.caelestia-cli.packages.${pkgs.system}.default;
+  shell-default = self.packages.${pkgs.system}.with-cli;
+
+  cfg = config.programs.caelestia;
+in {
+  options = with lib; {
+    programs.caelestia = {
+      enable = mkEnableOption "Enable Caelestia shell";
+      package = mkOption {
+        type = types.package;
+        default = shell-default;
+        description = "The package of Caelestia shell";
+      };
+      settings = mkOption {
+        type = types.attrs;
+        default = {};
+        description = "Caelestia shell settings";
+      };
+      extraConfig = mkOption {
+        type = types.str;
+        default = "";
+        description = "Caelestia shell extra configs written to shell.json";
+      };
+      cli = {
+        enable = mkEnableOption "Enable Caelestia CLI";
+        package = mkOption {
+          type = types.package;
+          default = cli-default;
+          description = "The package of Caelestia CLI"; # Doesn't override the shell's CLI, only change from home.packages
+        };
+      };
+    };
+  };
+
+  config = let
+    cli = cfg.cli.package or cli-default;
+    shell = cfg.package or shell-default;
+  in
+    lib.mkIf cfg.enable {
+      systemd.user.services.caelestia = {
+        Unit = {
+          Description = "Caelestia Shell Service";
+          After = ["graphical-session.target"];
+          PartOf = ["graphical-session.target"];
+        };
+
+        Service = {
+          Type = "exec";
+          ExecStart = "${shell}/bin/caelestia-shell";
+          Restart = "on-failure";
+          RestartSec = "5s";
+          TimeoutStopSec = "5s";
+          Environment = [
+            "QT_QPA_PLATFORM=wayland"
+          ];
+
+          Slice = "session.slice";
+        };
+
+        Install = {
+          WantedBy = ["graphical-session.target"];
+        };
+      };
+
+      xdg.configFile."caelestia/shell.json".text = let
+        extraConfig =
+          if cfg.extraConfig != ""
+          then cfg.extraConfig
+          else "{}";
+      in
+        builtins.toJSON (lib.recursiveUpdate
+          (cfg.settings or {}) (builtins.fromJSON extraConfig));
+
+      home.packages = [shell] ++ lib.optional cfg.cli.enable cli;
+    };
+}
-- 
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