From 52a4d3183fd028309b208f2f45b2658566e72309 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Romildo=20Malaquias?= <malaquias@gmail.com>
Date: Sun, 4 Mar 2018 07:45:36 -0300
Subject: [PATCH] numix-icon-theme-square: build GTK icon cache

---
 pkgs/data/icons/numix-icon-theme-square/default.nix | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkgs/data/icons/numix-icon-theme-square/default.nix b/pkgs/data/icons/numix-icon-theme-square/default.nix
index ac42bc321698..198229cce371 100644
--- a/pkgs/data/icons/numix-icon-theme-square/default.nix
+++ b/pkgs/data/icons/numix-icon-theme-square/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, numix-icon-theme }:
+{ stdenv, fetchFromGitHub, gtk3, numix-icon-theme }:
 
 stdenv.mkDerivation rec {
   name = "${package-name}-${version}";
@@ -12,15 +12,19 @@ stdenv.mkDerivation rec {
     sha256 = "1gjwc0s6a7q1jby5bcwxkcmbs470m81y8s0clsm0qhcmcn1c36xj";
   };
 
-  buildInputs = [ numix-icon-theme ];
-
-  dontBuild = true;
+  nativeBuildInputs = [ gtk3 numix-icon-theme ];
 
   installPhase = ''
     mkdir -p $out/share/icons
     cp -a Numix-Square{,-Light} $out/share/icons/
   '';
 
+  postFixup = ''
+    for theme in $out/share/icons/*; do
+      gtk-update-icon-cache $theme
+    done
+  '';
+
   meta = with stdenv.lib; {
     description = "Numix icon theme (square version)";
     homepage = https://numixproject.org;