Make setup script generation work with newer versions of spack

Necessary after spack/spack#38944

packages/key4hep-stack/common.py

@@ -15,7 +15,12 @@
 import spack.util.environment
 from spack.util.environment import *
 import spack.user_environment as uenv
-import spack.store
+
+try:
+ # https://github.com/spack/spack/pull/38944 renamed store -> STORE
+ from spack.store import STORE
+except ImportError:
+ from spack.store import store as STORE
 
 # TODO: can be removed when spack versions prior to v0.18.1 are no longer needed
 try:
@@ -132,7 +137,7 @@ def install_setup_script(self, spec, prefix, env_var):
  env_mod.prepend_path("PATH", os.path.dirname(self.compiler.cxx))
 
  # now walk over the dependencies
- with spack.store.db.read_transaction():
+ with STORE.db.read_transaction():
  for dep in spec.traverse(order="post"):
  env_mod.extend(uenv.environment_modifications_for_spec(dep))
  env_mod.prepend_path(uenv.spack_loaded_hashes_var, dep.dag_hash())