Share boltzgen version between expressions

1 files changed, 1 insertions, 17 deletions

diff --git a/lid_driven_cavity/cpp/shell.nix b/lid_driven_cavity/cpp/shell.nix
index d2d157d..b441484 100644
--- a/lid_driven_cavity/cpp/shell.nix
+++ b/lid_driven_cavity/cpp/shell.nix
@@ -5,23 +5,7 @@ pkgs.stdenvNoCC.mkDerivation rec {
   env = pkgs.buildEnv { name = name; paths = buildInputs; };
 
   buildInputs = let
-    boltzgen = pkgs.python3.pkgs.buildPythonPackage rec {
-      pname = "boltzgen";
-      version = "0.1";
-
-      src = builtins.fetchGit {
-        url = "https://code.kummerlaender.eu/boltzgen/";
-        rev = "4a2885ad3ae0396486d288df94339d0c45e6db8b";
-      };
-
-      propagatedBuildInputs = with pkgs.python37Packages; [
-        sympy
-        numpy
-        Mako
-      ];
-
-      doCheck = false;
-    };
+    boltzgen = (import ../../boltzgen.nix { }).boltzgen pkgs.python3;
 
     local-python = pkgs.python3.withPackages (python-packages: with python-packages; [
       boltzgen