From ccb3ade7c26f860d04f20d24a540cec9c557650f Mon Sep 17 00:00:00 2001
From: Kranium Gikos Mendoza <kranium@gikos.net>
Date: Sun, 22 May 2016 17:09:13 +0800
Subject: [PATCH] facter: ruby support

---
 pkgs/tools/system/facter/default.nix | 9 +++++++--
 pkgs/top-level/all-packages.nix      | 4 +++-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/pkgs/tools/system/facter/default.nix b/pkgs/tools/system/facter/default.nix
index ffb85393b9a..9a95df94a1c 100644
--- a/pkgs/tools/system/facter/default.nix
+++ b/pkgs/tools/system/facter/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, cmake, curl, leatherman, libyamlcpp, openssl, utillinux }:
+{ stdenv, fetchurl, boost, cmake, curl, leatherman, libyamlcpp, openssl, ruby, utillinux }:
 
 stdenv.mkDerivation rec {
   name = "facter-${version}";
@@ -8,9 +8,14 @@ stdenv.mkDerivation rec {
     sha256 = "1kv4k9zqpsiw362kk1rw1a4sixd0pmnh57ghd4k4pffr2dkmdfsv";
   };
 
+  cmakeFlags = [ "-DFACTER_RUBY=${ruby}/lib/libruby.so" ];
+
+  # since we cant expand $out in cmakeFlags
+  preConfigure = "cmakeFlags+=\" -DRUBY_LIB_INSTALL=$out/lib/ruby\"";
+
   libyamlcpp_ = libyamlcpp.override { makePIC = true; };
 
-  buildInputs = [ boost cmake curl leatherman libyamlcpp_ openssl utillinux ];
+  buildInputs = [ boost cmake curl leatherman libyamlcpp_ openssl ruby utillinux ];
 
   meta = with stdenv.lib; {
     homepage = https://github.com/puppetlabs/facter;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e6c488660f5..382dfc03b30 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -781,7 +781,9 @@ in
 
   ent = callPackage ../tools/misc/ent { };
 
-  facter = callPackage ../tools/system/facter {};
+  facter = callPackage ../tools/system/facter {
+    ruby = ruby_2_1;
+  };
 
   fasd = callPackage ../tools/misc/fasd { };