From 24b715d16d7dfe8cc89f6bbe2017bff4a0358feb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9o=20Zimmermann?= <theo.zimmermann@ens.fr>
Date: Mon, 23 May 2016 12:02:46 +0200
Subject: [PATCH] nixpkgs manual: more extensible example (#15557)

By checking if the package name appears in a list, this new example allows for easy user-customization.
---
 doc/configuration.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/configuration.xml b/doc/configuration.xml
index ffeb7cf554bd..caff1e510cdd 100644
--- a/doc/configuration.xml
+++ b/doc/configuration.xml
@@ -46,10 +46,10 @@ $ export NIXPKGS_ALLOW_UNFREE=1
 allowUnfreePredicate = (pkg: ...);
 </programlisting>
 
-    Example to allow flash player only:
+    Example to allow flash player and visual studio code only:
 
 <programlisting>
-allowUnfreePredicate = (pkg: pkgs.lib.hasPrefix "flashplayer-" pkg.name);
+allowUnfreePredicate = with builtins; (pkg: elem (parseDrvName pkg.name).name [ "flashplayer" "vscode" ]);
 </programlisting>
 
     </para>