enforce arch_folder:false

Author: albestro

stackinator/recipe.py

@@ -317,6 +317,16 @@ def environment_view_meta(self):
     def modules_yaml(self):
         with self.modules.open() as fid:
             raw = yaml.load(fid, Loader=yaml.Loader)
+
+            # Note:
+            # Differently from spack, uenv does not support "arch_folder".
+            # With `uenv --view modules`, MODULEPATH is set by uenv (metadata provided by envvars.py)
+            # to `/{self.mount}/modules`, differently from spack that, by default, adds to MODULEPATH
+            # all arch_folder paths available on the system (e.g. linux-sles15-neoverse_v2).
+            if raw["modules"]["default"].get("arch_folder", True):
+                self._logger.critical("modules:default:arch_folder:true is not supported")
+                raise RuntimeError("modules.yaml with arch_folder enabled is not supported")
+
             raw["modules"]["default"]["roots"]["tcl"] = (pathlib.Path(self.mount) / "modules").as_posix()
             return yaml.dump(raw)