supercollider: use bash from nixpkgs for popen

{ lib, stdenv, mkDerivation, fetchurl, cmake

{ lib, stdenv, mkDerivation, fetchurl, cmake, runtimeShell

, pkg-config, alsa-lib, libjack2, libsndfile, fftw

, curl, gcc, libXt, qtbase, qttools, qtwebengine

, readline, qtwebsockets, useSCEL ? false, emacs

    ./supercollider-3.12.0-env-dirs.patch

  ];

  postPatch = ''

    substituteInPlace common/sc_popen.cpp --replace '/bin/sh' '${runtimeShell}'

  '';

  strictDeps = true;

  nativeBuildInputs = [ cmake pkg-config qttools ];