shellFor: allow specifying buildInputs; Example:

default.nix-tools._raw.shellFor {
  packages    = p: map (x: p."${x}") [
    "io-sim"
    "io-sim-classes"
    "ouroboros-consensus"
    "ouroboros-network"
    "typed-transitions"
  ];
  withHoogle  = withHoogle;
  buildInputs = with default.nix-tools._raw; [
    cabal-install.components.exes.cabal
  ];
}

Author: deepfire

builder/shell-for.nix

@@ -1,6 +1,6 @@
 { buildPackages, lib, stdenv, ghcForComponent, makeConfigFiles, hsPkgs }:
 
-{ packages, withHoogle ? true } @ args:
+{ packages, buildInputs ? [], withHoogle ? true } @ args:
 
 let
   selected = packages hsPkgs;
@@ -29,7 +29,7 @@ in
   stdenv.mkDerivation (mkDrvArgs // {
     name = mkDrvArgs.name or name;
 
-    buildInputs = systemInputs ++ mkDrvArgs.buildInputs or [];
+    buildInputs = buildInputs ++ systemInputs ++ mkDrvArgs.buildInputs or [];
     nativeBuildInputs = [ ghcEnv ] ++ nativeBuildInputs ++ mkDrvArgs.nativeBuildInputs or [];
     phases = ["installPhase"];
     installPhase = "echo $nativeBuildInputs $buildInputs > $out";