don't error on macOS if sandbox for vars is missing

pkgs/clan-cli/clan_cli/vars/generate.py

@@ -209,7 +209,8 @@ def execute_generator(
 
         final_script = generator.final_script()
 
-        if sys.platform == "linux" and bwrap.bubblewrap_works():
+        if sys.platform == "linux":
+            if bwrap.bubblewrap_works():
                 cmd = bubblewrap_cmd(str(final_script), tmpdir)
             else:
                 if not no_sandbox:
@@ -219,6 +220,9 @@ def execute_generator(
                     )
                     raise ClanError(msg)
                 cmd = ["bash", "-c", str(final_script)]
+        else:
+            # TODO: implement sandboxing for macOS using sandbox-exec
+            cmd = ["bash", "-c", str(final_script)]
         run(cmd, RunOpts(env=env))
         files_to_commit = []
         # store secrets