nixpkgs: add 'graphviz' to tamarin-prover dependencies

Signed-off-by: Austin Seipp <[e-mail]>

pkgs/applications/science/logic/tamarin-prover/default.nix

···
 { haskell, haskellPackages, mkDerivation, fetchFromGitHub, lib
-, makeWrapper, maude
+# the following are non-haskell dependencies
+, makeWrapper, which, maude, graphviz
 }:
 
 let
···
   # wrap the prover to be sure it can find maude
   postInstall = ''
     wrapProgram $out/bin/tamarin-prover \
-      --prefix PATH : ${lib.makeBinPath [ maude ]}
+      --prefix PATH : ${lib.makeBinPath [ which maude graphviz ]}
   '';
 
   executableToolDepends = [ makeWrapper ];

pkgs/top-level/all-packages.nix

···
   psc-package = haskell.lib.justStaticExecutables
     (haskellPackages.callPackage ../development/compilers/purescript/psc-package { });
 
-  tamarin-prover = # haskell.lib.justStaticExecutables
-    (haskellPackages.callPackage ../applications/science/logic/tamarin-prover { inherit maude; });
+  tamarin-prover =
+    (haskellPackages.callPackage ../applications/science/logic/tamarin-prover {
+      # do not use the haskell packages 'graphviz' and 'maude'
+      inherit maude which;
+      graphviz = graphviz-nox;
+    });
 
   inherit (ocamlPackages.haxe) haxe_3_2 haxe_3_4;
   haxe = haxe_3_4;