From 0ce91c70d8ac574e1be70d3d31da2607c293bd5f Mon Sep 17 00:00:00 2001
From: Grimmauld <Grimmauld@grimmauld.de>
Date: Mon, 28 Jul 2025 08:36:19 +0200
Subject: [PATCH] systemd: disable pam in transitive dependencies if pam is
 disabled

---
 pkgs/os-specific/linux/systemd/default.nix | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index d533b228f883..56fc32b909f9 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -203,6 +203,8 @@ let
   #  $ curl -s https://api.github.com/repos/systemd/systemd/releases/latest | \
   #     jq '.created_at|strptime("%Y-%m-%dT%H:%M:%SZ")|mktime'
   releaseTimestamp = "1734643670";
+
+  kbd' = if withPam then kbd else kbd.override { withVlock = false; };
 in
 stdenv.mkDerivation (finalAttrs: {
   inherit pname version;
@@ -396,7 +398,7 @@ stdenv.mkDerivation (finalAttrs: {
 
   buildInputs = [
     libxcrypt
-    libcap
+    (if withPam then libcap else libcap.override { usePam = false; })
     libuuid
     linuxHeaders
     bashInteractive # for patch shebangs
@@ -485,8 +487,8 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.mesonOption "pkgconfigdatadir" "${placeholder "dev"}/share/pkgconfig")
 
     # Keyboard
-    (lib.mesonOption "loadkeys-path" "${kbd}/bin/loadkeys")
-    (lib.mesonOption "setfont-path" "${kbd}/bin/setfont")
+    (lib.mesonOption "loadkeys-path" "${kbd'}/bin/loadkeys")
+    (lib.mesonOption "setfont-path" "${kbd'}/bin/setfont")
 
     # SBAT
     (lib.mesonOption "sbat-distro" "nixos")
@@ -923,9 +925,10 @@ stdenv.mkDerivation (finalAttrs: {
       withUtmp
       util-linux
       kmod
-      kbd
       ;
 
+    kbd = kbd';
+
     # Many TPM2-related units are only installed if this trio of features are
     # enabled. See https://github.com/systemd/systemd/blob/876ee10e0eb4bbb0920bdab7817a9f06cc34910f/units/meson.build#L521
     withTpm2Units = withTpm2Tss && withBootloader && withOpenSSL;