overlay.nix

let
  fv3gfs-fortran-src = builtins.fetchTarball {
    url =
      "https://github.com/ai2cm/fv3gfs-fortran/archive/2d0ffc194f1b2f4974fcb5b61ab0dcef0b839854.tar.gz";
    sha256 = "1s6988s8kwpk2d3h5cs8p6avyswmbmxdf6aa516asdm2ga1fw442";
  };
  packageOverrides = import ./python.nix;
in self: super: rec {
  # ensure that everything uses mpich for mpi
  call_py_fort = self.callPackage ./call_py_fort { };
  fms = self.callPackage ./fms { src = fv3gfs-fortran-src; };
  esmf = self.callPackage ./esmf { };
  nceplibs = self.callPackage ./nceplibs { };
  fv3 = self.callPackage ./fv3 { src = fv3gfs-fortran-src; };
  pfunit = self.callPackage ./pfunit { };
  gridtools1 = self.callPackage ./gridtools/1.nix { };
  gridtools2 = self.callPackage ./gridtools/2.nix { };
  serialbox = self.callPackage ./serialbox { };
  serialboxNoFortran = self.callPackage ./serialbox { enableFortran = false; };
  python39 =
    super.python39.override { packageOverrides = (packageOverrides self); };
  python38 =
    super.python38.override { packageOverrides = (packageOverrides self); };
  python3 =
    super.python3.override { packageOverrides = (packageOverrides self); };
  python =
    super.python.override { packageOverrides = (packageOverrides self); };
}