From 104d8a7c3f526511bc243c16bb8a7cecb7187958 Mon Sep 17 00:00:00 2001
From: Austin Horstman <khaneliman12@gmail.com>
Date: Thu, 17 Sep 2026 22:45:54 -0500
Subject: [PATCH] citrix-workspace: expose HDX MediaStream plugin

Install the bundled flatstm plugin in a wrapper-managed search path,
matching the registration performed by Citrix's installer. Verify that
multimedia remains enabled after the installer configuration rewrite.
---
 pkgs/by-name/ci/citrix-workspace/package.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/by-name/ci/citrix-workspace/package.nix b/pkgs/by-name/ci/citrix-workspace/package.nix
index 14a4860b6662..6c46828b7f32 100644
--- a/pkgs/by-name/ci/citrix-workspace/package.nix
+++ b/pkgs/by-name/ci/citrix-workspace/package.nix
@@ -263,7 +263,7 @@ stdenv.mkDerivation (finalAttrs: {
           ++ [
             ''--set ICAROOT "$ICAInstDir"''
             ''--prefix GIO_EXTRA_MODULES : "${glib-networking}/lib/gio/modules"''
-            ''--prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "${gstPluginPath}"''
+            ''--prefix GST_PLUGIN_SYSTEM_PATH_1_0 : "$ICAInstDir/gst-plugins:${gstPluginPath}"''
             ''--prefix LD_LIBRARY_PATH : "${ldLibraryPath program}"''
             ''--set LD_PRELOAD "${libredirect}/lib/libredirect.so ${lib.getLib pcsclite}/lib/libpcsclite.so"''
             ''--set NIX_REDIRECTS "/usr/share/zoneinfo=${tzdata}/share/zoneinfo:/etc/zoneinfo=${tzdata}/share/zoneinfo:/etc/timezone=$ICAInstDir/timezone"''
@@ -362,9 +362,16 @@ stdenv.mkDerivation (finalAttrs: {
       rm $ICAInstDir/util/{gst_aud_{play,read},gst_*0.10,libgstflatstm0.10.so} || true
       ln -sf $ICAInstDir/util/gst_play1.0 $ICAInstDir/util/gst_play
       ln -sf $ICAInstDir/util/gst_read1.0 $ICAInstDir/util/gst_read
+
+      # hinst links this plugin into FHS directories; expose it through the wrapper instead.
+      mkdir -p "$ICAInstDir/gst-plugins"
+      ln -s "$ICAInstDir/util/libgstflatstm1.0.so" \
+        "$ICAInstDir/gst-plugins/libgstflatstm.so"
+
       # `hinst` disables multimedia when it cannot link into FHS plugin
       # directories. In Nix we provide the plugin path via wrappers instead.
       sed -i 's/^MultiMedia=Off$/MultiMedia=On/' "$ICAInstDir/config/module.ini"
+      grep -Fxq 'MultiMedia=On' "$ICAInstDir/config/module.ini"
 
       echo "We arbitrarily set the timezone to UTC. No known consequences at this point."
       echo UTC > "$ICAInstDir/timezone"