From 4c958df482229b4f82e46eb0302987d478be7501 Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Fri, 12 Apr 2024 12:12:53 +0200
Subject: [PATCH] lomiri.biometryd: Fix lack of output fixup in pkg-config
 file, update pkg-config call with new CMake option

---
 pkgs/desktops/lomiri/services/biometryd/default.nix | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/pkgs/desktops/lomiri/services/biometryd/default.nix b/pkgs/desktops/lomiri/services/biometryd/default.nix
index 418a39ebb6e0..d06ecf16942e 100644
--- a/pkgs/desktops/lomiri/services/biometryd/default.nix
+++ b/pkgs/desktops/lomiri/services/biometryd/default.nix
@@ -38,12 +38,17 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   postPatch = ''
-    # Uses pkg_get_variable, cannot substitute prefix with that
+    # Substitute systemd's prefix in pkg-config call
     substituteInPlace data/CMakeLists.txt \
-      --replace 'pkg_get_variable(SYSTEMD_SYSTEM_UNIT_DIR systemd systemdsystemunitdir)' 'set(SYSTEMD_SYSTEM_UNIT_DIR "''${CMAKE_INSTALL_PREFIX}/lib/systemd/system")'
+      --replace-fail 'pkg_get_variable(SYSTEMD_SYSTEM_UNIT_DIR systemd systemdsystemunitdir)' 'pkg_get_variable(SYSTEMD_SYSTEM_UNIT_DIR systemd systemdsystemunitdir DEFINE_VARIABLES prefix=''${CMAKE_INSTALL_PREFIX})'
 
     substituteInPlace src/biometry/qml/Biometryd/CMakeLists.txt \
-      --replace "\''${CMAKE_INSTALL_LIBDIR}/qt5/qml" "\''${CMAKE_INSTALL_PREFIX}/${qtbase.qtQmlPrefix}"
+      --replace-fail "\''${CMAKE_INSTALL_LIBDIR}/qt5/qml" "\''${CMAKE_INSTALL_PREFIX}/${qtbase.qtQmlPrefix}"
+
+    # For our automatic pkg-config output patcher to work, prefix must be used here
+    substituteInPlace data/biometryd.pc.in \
+      --replace-fail 'libdir=''${exec_prefix}' 'libdir=''${prefix}' \
+      --replace-fail 'includedir=''${exec_prefix}' 'includedir=''${prefix}' \
   '' + lib.optionalString (!finalAttrs.doCheck) ''
     sed -i -e '/add_subdirectory(tests)/d' CMakeLists.txt
   '';