From 9efb57e500ad4e935059c7cb426c876dcd0b997a Mon Sep 17 00:00:00 2001
From: eyjhb <eyjhbb@gmail.com>
Date: Fri, 30 May 2025 13:10:19 +0200
Subject: [PATCH 1/2] greetd.greetd: Set mainProgram to `greetd`

---
 pkgs/applications/display-managers/greetd/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/applications/display-managers/greetd/default.nix b/pkgs/applications/display-managers/greetd/default.nix
index 8ef7bd41bbbf..0d1fbeedee25 100644
--- a/pkgs/applications/display-managers/greetd/default.nix
+++ b/pkgs/applications/display-managers/greetd/default.nix
@@ -46,6 +46,7 @@ rustPlatform.buildRustPackage rec {
       Comes with agreety, a simple, text-based greeter.
     '';
     homepage = "https://sr.ht/~kennylevinsen/greetd/";
+    mainProgram = "greetd";
     license = licenses.gpl3Plus;
     maintainers = with maintainers; [ ];
     platforms = platforms.linux;

From eef3a1faa801e0d55d004ea4d95c60945ae49f5d Mon Sep 17 00:00:00 2001
From: eyjhb <eyjhbb@gmail.com>
Date: Fri, 30 May 2025 13:13:09 +0200
Subject: [PATCH 2/2] nixos/greetd: make use of package option

---
 nixos/modules/services/display-managers/greetd.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/display-managers/greetd.nix b/nixos/modules/services/display-managers/greetd.nix
index ece50eda7927..2d77daacf51d 100644
--- a/nixos/modules/services/display-managers/greetd.nix
+++ b/nixos/modules/services/display-managers/greetd.nix
@@ -98,7 +98,7 @@ in
       };
 
       serviceConfig = {
-        ExecStart = "${pkgs.greetd.greetd}/bin/greetd --config ${settingsFormat.generate "greetd.toml" cfg.settings}";
+        ExecStart = "${lib.getExe cfg.package} --config ${settingsFormat.generate "greetd.toml" cfg.settings}";
 
         Restart = lib.mkIf cfg.restart "on-success";