pulseaudioFull: fix wrapGApp wrapping, fix vm tests

nixos/modules/config/pulseaudio.nix

@@ -102,7 +102,7 @@ in {
           each user that tries to use the sound system. The server runs
           with user privileges. If true, one system-wide PulseAudio
           server is launched on boot, running as the user "pulse", and
-          only users in the "audio" group will have access to the server.
+          only users in the "pulse-access" group will have access to the server.
           Please read the PulseAudio documentation for more details.
 
           Don't enable this option unless you know what you are doing.
@@ -310,6 +310,7 @@ in {
       };
 
       users.groups.pulse.gid = gid;
+      users.groups.pulse-access = {};
 
       systemd.services.pulseaudio = {
         description = "PulseAudio System-Wide Server";

nixos/tests/pulseaudio.nix

@@ -1,10 +1,10 @@
 let
-  mkTest = { systemWide ? false }:
+  mkTest = { systemWide ? false , fullVersion ? false }:
     import ./make-test-python.nix ({ pkgs, lib, ... }:
       let
         testFile = pkgs.fetchurl {
           url =
-            "https://file-examples-com.github.io/uploads/2017/11/file_example_MP3_700KB.mp3";
+            "https://file-examples.com/storage/fe5947fd2362fc197a3c2df/2017/11/file_example_MP3_700KB.mp3";
           hash = "sha256-+iggJW8s0/LfA/okfXsB550/55Q0Sq3OoIzuBrzOPJQ=";
         };
 
@@ -22,7 +22,7 @@ let
           testPlay32 = { inherit (pkgs.pkgsi686Linux) sox alsa-utils; };
         };
       in {
-        name = "pulseaudio${lib.optionalString systemWide "-systemWide"}";
+        name = "pulseaudio${lib.optionalString fullVersion "Full"}${lib.optionalString systemWide "-systemWide"}";
         meta = with pkgs.lib.maintainers; {
           maintainers = [ synthetica ] ++ pkgs.pulseaudio.meta.maintainers;
         };
@@ -35,12 +35,14 @@ let
               enable = true;
               support32Bit = true;
               inherit systemWide;
+            } // lib.optionalAttrs fullVersion {
+              package = pkgs.pulseaudioFull;
             };
 
             environment.systemPackages = [ testers.testPlay pkgs.pavucontrol ]
               ++ lib.optional pkgs.stdenv.isx86_64 testers.testPlay32;
           } // lib.optionalAttrs systemWide {
-            users.users.alice.extraGroups = [ "audio" ];
+            users.users.alice.extraGroups = [ "pulse-access" ];
             systemd.services.pulseaudio.wantedBy = [ "multi-user.target" ];
           };
 
@@ -58,14 +60,21 @@ let
           ''}
           machine.screenshot("testPlay")
 
+          ${lib.optionalString (!systemWide) ''
+            machine.send_chars("pacmd info && touch /tmp/pacmd_success\n")
+            machine.wait_for_file("/tmp/pacmd_success")
+          ''}
+
           # Pavucontrol only loads when Pulseaudio is running. If it isn't, the
-          # text "Playback" (one of the tabs) will never show.
+          # text "Dummy Output" (sound device name) will never show.
           machine.send_chars("pavucontrol\n")
-          machine.wait_for_text("Playback")
+          machine.wait_for_text("Dummy Output")
           machine.screenshot("Pavucontrol")
         '';
       });
 in builtins.mapAttrs (key: val: mkTest val) {
-  user = { systemWide = false; };
-  system = { systemWide = true; };
+  user = { systemWide = false; fullVersion = false; };
+  system = { systemWide = true; fullVersion = false; };
+  userFull = { systemWide = false; fullVersion = true; };
+  systemFull = { systemWide = true; fullVersion = true; };
 }

pkgs/servers/pulseaudio/default.nix

@@ -116,6 +116,11 @@ stdenv.mkDerivation rec {
     "-Dsysconfdir=/etc"
     "-Dsysconfdir_install=${placeholder "out"}/etc"
     "-Dudevrulesdir=${placeholder "out"}/lib/udev/rules.d"
+
+    # pulseaudio complains if its binary is moved after installation;
+    # this is needed so that wrapGApp can operate *without*
+    # renaming the unwrapped binaries (see below)
+    "--bindir=${placeholder "out"}/.bin-unwrapped"
   ]
   ++ lib.optional (stdenv.isLinux && useSystemd) "-Dsystemduserunitdir=${placeholder "out"}/lib/systemd/user"
   ++ lib.optionals stdenv.isDarwin [
@@ -133,11 +138,11 @@ stdenv.mkDerivation rec {
   postInstall = lib.optionalString libOnly ''
     find $out/share -maxdepth 1 -mindepth 1 ! -name "vala" -prune -exec rm -r {} \;
     find $out/share/vala -maxdepth 1 -mindepth 1 ! -name "vapi" -prune -exec rm -r {} \;
-    rm -r $out/{bin,etc,lib/pulse-*}
+    rm -r $out/{.bin-unwrapped,etc,lib/pulse-*}
   ''
     + ''
     moveToOutput lib/cmake "$dev"
-    rm -f $out/bin/qpaeq # this is packaged by the "qpaeq" package now, because of missing deps
+    rm -f $out/.bin-unwrapped/qpaeq # this is packaged by the "qpaeq" package now, because of missing deps
   '';
 
   preFixup = lib.optionalString (stdenv.isLinux  && (stdenv.hostPlatform == stdenv.buildPlatform)) ''
@@ -151,6 +156,15 @@ stdenv.mkDerivation rec {
       ln -s "''$file" "''${file%.dylib}.so"
       ln -s "''$file" "$out/lib/pulseaudio/''$(basename ''$file .dylib).so"
     done
+  ''
+  # put symlinks to binaries in `$prefix/bin`;
+  # then wrapGApp will *rename these symlinks* instead of
+  # the original binaries in `$prefix/.bin-unwrapped` (see above);
+  # when pulseaudio is looking for its own binary (it does!),
+  # it will be happy to find it in its original installation location
+  + lib.optionalString (!libOnly) ''
+    mkdir -p $out/bin
+    ln -st $out/bin $out/.bin-unwrapped/*
   '';
 
   passthru = {