First shot at aborting when installing the wrong packages

Custom_Hooks/eb_hooks.py

@@ -42,6 +42,15 @@ SUPPORTED_TOOLCHAIN_FAMILIES = (
     + SUPPORTED_MPI_TOOLCHAIN_FAMILIES
     + SUPPORTED_TOPLEVEL_TOOLCHAIN_FAMILIES
 )
+VETOED_INSTALLATIONS = {
+        'juwelsbooster': ['impi'],
+        'juwels': [],
+        'jurecadc': [],
+        'jurecabooster': ['OpenMPI', 'CUDA', 'nvidia-driver', 'UCX', 'NVHPC']
+        'jusuf': ['impi'],
+        'hdfml': [],
+}
+
 # Also maintain a list of CUDA enabled compilers
 CUDA_ENABLED_TOOLCHAINS = ["pmvmklc", "gmvmklc", "gmvapich2c", "pmvapich2c"]
 # Use this for a heuristic to see if the easyconfig comes from the Golden Repo
@@ -184,10 +193,28 @@ family("mpi")
                 "  eb --robot=$EASYBUILD_ROBOT:$EBROOTEASYBUILD/easybuild/easyconfigs --try-update-deps ...."
             )
 
+def installation_vetoer(self):
+    "Check whether this package is NOT supposed to be installed in this system, and abort if necessary"
+    ec = self.cfg
+    name = ec['name']
+    system_name = os.getenv('SYSTEMNAME')
+    if name in VETOED_INSTALLATIONS[system_name]:
+        print_warning(
+                "\nYou are attempting to install software that should not be installed in this system.\n"
+                "\nPlease double check the list of packages that you are attempting to install. The following\n"
+                f"\npackages can't be installed in {system_name}:\n"
+            )
+        for package in VETOED_INSTALLATIONS[system_name]:
+            print_warning(f"- {package}\n")
+        exit(1)
 
 def pre_ready_hook(self, *args, **kwargs):
     "When we are building something, do some checks for bad behaviour"
     ec = self.cfg
+
+    # First of all check if this should be installed
+    installation_vetoer(ec)
+
     # Grab name, path, toolchain, install path and check if we are installing
     # GCCcore/MPI
     name = ec["name"]