From 9b7742eefc70b94c85c5942f2e4dc52a5b5f5cef Mon Sep 17 00:00:00 2001
From: Pascal Bach <pascal.bach@nextrem.ch>
Date: Sat, 19 Jan 2019 22:05:58 +0100
Subject: [PATCH] gstreamer: fix plugin detection

The `--suffix` option escapes it's arguments. This leads to the
`GST_PLUGIN_SYTEM_PATH` variable to be not correctly expanded with the embedded
bash script.

Switching to `--run` and crafting the required export by hand bypasses the issue.
---
 pkgs/development/libraries/gstreamer/core/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/gstreamer/core/default.nix b/pkgs/development/libraries/gstreamer/core/default.nix
index 2c1faac387e..b69ab89df24 100644
--- a/pkgs/development/libraries/gstreamer/core/default.nix
+++ b/pkgs/development/libraries/gstreamer/core/default.nix
@@ -44,7 +44,8 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     for prog in "$dev/bin/"*; do
-        wrapProgram "$prog" --suffix GST_PLUGIN_SYSTEM_PATH : "\$(unset _tmp; for profile in \$NIX_PROFILES; do _tmp="\$profile/lib/gstreamer-1.0''$\{_tmp:+:\}\$_tmp"; done; printf "\$_tmp")"
+        # We can't use --suffix here due to quoting so we craft the export command by hand
+        wrapProgram "$prog" --run "export GST_PLUGIN_SYSTEM_PATH=\$GST_PLUGIN_SYSTEM_PATH"$\{GST_PLUGIN_SYSTEM_PATH:+:\}"\$(unset _tmp; for profile in \$NIX_PROFILES; do _tmp="\$profile/lib/gstreamer-1.0''$\{_tmp:+:\}\$_tmp"; done; printf "\$_tmp")"
     done
   '';