From adb178c0e5e7fea2bd2bfa8def7d4bd1d841b327 Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Tue, 18 Jul 2017 18:43:47 +0200
Subject: [PATCH] gnomeExtensions.topicons-plus: fix version string

It has to start with a digit.
---
 pkgs/desktops/gnome-3/extensions/topicons-plus/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/desktops/gnome-3/extensions/topicons-plus/default.nix b/pkgs/desktops/gnome-3/extensions/topicons-plus/default.nix
index 4612c35ad25..4aedc10e056 100644
--- a/pkgs/desktops/gnome-3/extensions/topicons-plus/default.nix
+++ b/pkgs/desktops/gnome-3/extensions/topicons-plus/default.nix
@@ -2,7 +2,7 @@
 
 stdenv.mkDerivation rec {
   name = "gnome-shell-extension-topicons-plus-${version}";
-  version = "v20";
+  version = "20";
 
   src = fetchFromGitHub {
     owner = "phocean";