From f4c9cc6878ee262730833a98d7fa55cbb29601ac Mon Sep 17 00:00:00 2001
From: wchresta <34962284+wchresta@users.noreply.github.com>
Date: Sun, 31 Dec 2017 11:43:21 +0100
Subject: steam: Check for NixOS, improve error message

---
 pkgs/games/steam/chrootenv.nix | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

(limited to 'pkgs/games/steam/chrootenv.nix')

diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 019b1577e15..49d786284da 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -108,10 +108,21 @@ in buildFHSUserEnv rec {
 
   runScript = writeScript "steam-wrapper.sh" ''
     #!${stdenv.shell}
-    glxinfo >/dev/null 2>&1
-    if [ ! "$?" = "0" ]; then
-      echo "*** WARNING: Test for 32-bit libGL unsuccessful."
-      echo "             This could mean you forgot to activate hardware.opengl.driSupport32Bit"
+    if [ -f /host/etc/NIXOS ]; then   # Check only useful on NixOS
+      glxinfo >/dev/null 2>&1
+      # If there was an error running glxinfo, we know something is wrong with the configuration
+      if [ $? -ne 0 ]; then
+        cat <<EOF > /dev/stderr
+    **
+    WARNING: Steam is not set up. Add the following options to /etc/nixos/configuration.nix
+    and then run \`sudo nixos-rebuild switch\`:
+    { 
+      hardware.opengl.driSupport32Bit = true;
+      hardware.pulseaudio.support32Bit = true;
+    }
+    **
+    EOF
+      fi
     fi
     steam
   '';
-- 
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