Merge pull request #499 from Kitware/nix-dev

Add a shell.nix file to enable development on nixos/nix

shell.nix

@@ -0,0 +1,56 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs;
+
+let libs = [
+  alsaLib
+  atk
+  cairo
+  cups
+  dbus
+  expat
+  fontconfig.lib
+  fontconfig.dev
+  gdk_pixbuf
+  glib
+  glibc
+  gnome3.gconf
+  gtk2
+  nspr
+  nss
+  pango
+  freetype
+  stdenv.cc.cc.lib
+  zlib
+] ++ (with xorg; [
+  libX11
+  libxcb
+  libXcomposite
+  libXcursor
+  libXdamage
+  libXext
+  libXi
+  libXfixes
+  libXrandr
+  libXrender
+  libXScrnSaver
+  libXtst
+]);
+in stdenv.mkDerivation {
+  name = "candela";
+
+  buildInputs = [
+    electron
+    git
+    nodejs-7_x
+    pkgconfig
+    python2
+  ] ++ libs;
+
+  C_INCLUDE_PATH = "${fontconfig.dev}/include";
+  LD_LIBRARY_PATH = stdenv.lib.makeLibraryPath libs;
+
+  shellHook = ''
+    echo "Candela nix dev environment"
+  '';
+}