getoptions: Don't require busybox on macOS

The busybox package is not available on macOS.
getoptions runs checks on installation that (by default) require
busybox. The busybox specific checks are now only run on other
platforms.

pkgs/tools/misc/getoptions/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenvNoCC, fetchFromGitHub, shellcheck, shellspec, busybox-sandbox-shell, ksh, mksh, yash, zsh }:
+{ lib, stdenvNoCC, fetchFromGitHub, shellspec, busybox-sandbox-shell, ksh, mksh, yash, zsh }:
 
 stdenvNoCC.mkDerivation rec {
   pname = "getoptions";
@@ -15,13 +15,16 @@ stdenvNoCC.mkDerivation rec {
 
   doCheck = true;
 
-  nativeCheckInputs = [ shellcheck shellspec busybox-sandbox-shell ksh mksh yash zsh ];
+  nativeCheckInputs = [ shellspec ksh mksh yash zsh ]
+    ++ lib.lists.optional (!stdenvNoCC.isDarwin) busybox-sandbox-shell;
 
   preCheck = ''
     sed -i '/shellspec -s posh/d' Makefile
+    '' + lib.strings.optionalString stdenvNoCC.isDarwin ''
+    sed -i "/shellspec -s 'busybox ash'/d" Makefile
   '';
 
-  checkTarget = "check testall";
+  checkTarget = "testall";
 
   meta = with lib; {
     description = "An elegant option/argument parser for shell scripts (full support for bash and all POSIX shells)";