Add the DDFastShowerML package (#572)

environments/key4hep-nightly/packages.yaml

@@ -15,6 +15,8 @@ packages:
     variants: build_type=RelWithDebInfo
   dd4hep:
     variants: build_type=RelWithDebInfo
+  ddfastshowerml:
+    variants: build_type=RelWithDebInfo
   ddkaltest:
     variants: build_type=RelWithDebInfo
   ddmarlinpandora:

packages/ddfastshowerml/package.py

@@ -0,0 +1,33 @@
+# Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.pkg.k4.key4hep_stack import Ilcsoftpackage
+
+
+class Ddfastshowerml(CMakePackage, Ilcsoftpackage):
+    """Package with utilities and plugins that allow to run fast simulation in Geant4 from ML inference within ddsim (DDG4)"""
+
+    homepage = "https://gitlab.desy.de/ilcsoft/ddfastshowerml"
+    git = "https://gitlab.desy.de/ilcsoft/ddfastshowerml.git"
+    url = "https://gitlab.desy.de/ilcsoft/ddfastshowerml"
+
+    maintainers = ["jmcarcell"]
+
+    version("main", branch="main")
+
+    variant("inference", values=("onnxruntime", "torch", "both"), default="both")
+
+    depends_on("py-onnxruntime", when="inference=onnxruntime")
+    depends_on("py-onnxruntime", when="inference=both")
+    depends_on("py-torch", when="inference=torch")
+    depends_on("py-torch", when="inference=both")
+    depends_on("dd4hep")
+
+    def cmake_args(self):
+        args = []
+        args.append(
+            f"-DCMAKE_CXX_STANDARD={self.spec['root'].variants['cxxstd'].value}"
+        )
+        return args

packages/ilcsoft/package.py

@@ -46,6 +46,7 @@ class Ilcsoft(BundlePackage, Key4hepPackage):
     depends_on("clicperformance")
     depends_on("clupatra")
     depends_on("ced")
+    depends_on("ddfastshowerml")
     depends_on("ddkaltest")
     depends_on("ddmarlinpandora")
     depends_on("fcalclusterer")

scripts/fetch_nightly_versions.py

@@ -91,6 +91,7 @@ def get_latest_commit(
         ("clicperformance", "ilcsoft/clicperformance"),
         ("conformaltracking", "ilcsoft/conformaltracking"),
         ("dd4hep", "aidasoft/dd4hep"),
+        ("ddfastshowerml", "ilcsoft/ddfastshowerml"),
         ("ddkaltest", "ilcsoft/ddkaltest"),
         ("ddmarlinpandora", "ilcsoft/ddmarlinpandora"),
         ("delphes", "delphes/delphes"),