From 122026d20c1e6a01f1024f92c991b6ce7140f721 Mon Sep 17 00:00:00 2001
From: Guillaume Bouchard <guillaume.bouchard@tweag.io>
Date: Mon, 27 Apr 2020 17:19:35 +0200
Subject: [PATCH] Add nixGLDefault

---
 nixGL.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/nixGL.nix b/nixGL.nix
index 5dfa5d0..9649d8a 100644
--- a/nixGL.nix
+++ b/nixGL.nix
@@ -157,6 +157,15 @@ in
   }
   ''
   mkdir -p "$out/bin"
-  cp "${nixGL}/bin/${nixGL.name}" "$out/bin/nixGL";
+  # star because nixGLNvidia... have version prefixed name
+  cp ${nixGL}/bin/* "$out/bin/nixGL";
   '';
+
+  # The output derivation contains nixGL which point either to
+  # nixGLNvidia or nixGLIntel using an heuristic.
+  nixGLDefault =
+    if builtins.pathExists "/proc/driver/nvidia/version"
+    then nixGLCommon nixGLNvidia
+    else nixGLCommon nixGLIntel;
+
   }