From 0e4d0d95d03d581d4d94ec6a04f58293baaaa167 Mon Sep 17 00:00:00 2001
From: Edmund Wu <fangkazuto@gmail.com>
Date: Sun, 25 Oct 2020 21:18:26 -0400
Subject: [PATCH] treewide: generate pulseaudio pulseDir

---
 nixos/modules/config/pulseaudio.nix                           | 2 +-
 pkgs/applications/audio/pulseaudio-modules-bt/default.nix     | 4 ++--
 .../audio/pulseaudio-modules-bt/fix-install-path.patch        | 2 +-
 pkgs/servers/pulseaudio/default.nix                           | 4 ++++
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/nixos/modules/config/pulseaudio.nix b/nixos/modules/config/pulseaudio.nix
index 408d0a9c33f2..3939d6aa2d8a 100644
--- a/nixos/modules/config/pulseaudio.nix
+++ b/nixos/modules/config/pulseaudio.nix
@@ -259,7 +259,7 @@ in {
           (drv: drv.override { pulseaudio = overriddenPackage; })
           cfg.extraModules;
         modulePaths = builtins.map
-          (drv: "${drv}/lib/pulse-${overriddenPackage.version}/modules")
+          (drv: "${drv}/${overriddenPackage.pulseDir}/modules")
           # User-provided extra modules take precedence
           (overriddenModules ++ [ overriddenPackage ]);
       in lib.concatStringsSep ":" modulePaths;
diff --git a/pkgs/applications/audio/pulseaudio-modules-bt/default.nix b/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
index 556dd5f10619..7a1768d858c0 100644
--- a/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
+++ b/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
@@ -61,7 +61,7 @@ in stdenv.mkDerivation rec {
 
     # Pulseaudio version is detected with a -rebootstrapped suffix which build system assumptions
     substituteInPlace config.h.in --replace PulseAudio_VERSION ${pulseaudio.version}
-    substituteInPlace CMakeLists.txt --replace '${"\${PulseAudio_VERSION}"}' ${pulseaudio.version}
+    substituteInPlace CMakeLists.txt --replace '${"\${PULSE_DIR}"}' ${pulseaudio.pulseDir}
 
     # Fraunhofer recommends to enable afterburner but upstream has it set to false by default
     substituteInPlace src/modules/bluetooth/a2dp/a2dp_aac.c \
@@ -72,7 +72,7 @@ in stdenv.mkDerivation rec {
     for so in $out/lib/pulse-${pulseaudio.version}/modules/*.so; do
       orig_rpath=$(patchelf --print-rpath "$so")
       patchelf \
-        --set-rpath "${ldacbt}/lib:${lib.getLib ffmpeg}/lib:$out/lib/pulse-${pulseaudio.version}/modules:$orig_rpath" \
+        --set-rpath "${ldacbt}/lib:${lib.getLib ffmpeg}/lib:$out/${pulseaudio.pulseDir}/modules:$orig_rpath" \
         "$so"
     done
   '';
diff --git a/pkgs/applications/audio/pulseaudio-modules-bt/fix-install-path.patch b/pkgs/applications/audio/pulseaudio-modules-bt/fix-install-path.patch
index 3c498fe8af1b..7cdb7de4dd13 100644
--- a/pkgs/applications/audio/pulseaudio-modules-bt/fix-install-path.patch
+++ b/pkgs/applications/audio/pulseaudio-modules-bt/fix-install-path.patch
@@ -8,4 +8,4 @@ index 8d20dbf..63fe7ba 100644
          module-bluetooth-policy
 -        LIBRARY DESTINATION ${PulseAudio_modlibexecdir})
 -
-+        LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/pulse-${PulseAudio_VERSION}/modules/)
++        LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/${PULSE_DIR}/modules/)
diff --git a/pkgs/servers/pulseaudio/default.nix b/pkgs/servers/pulseaudio/default.nix
index 513249cb7ad5..c9e2c3aa6e5e 100644
--- a/pkgs/servers/pulseaudio/default.nix
+++ b/pkgs/servers/pulseaudio/default.nix
@@ -124,6 +124,10 @@ stdenv.mkDerivation rec {
      --prefix GIO_EXTRA_MODULES : "${lib.getLib dconf}/lib/gio/modules"
   '';
 
+  passthru = {
+    pulseDir = "lib/pulse-" + lib.versions.majorMinor version;
+  };
+
   meta = {
     description = "Sound server for POSIX and Win32 systems";
     homepage    = "http://www.pulseaudio.org/";