refactor: simplify genome picking based on hpc & --genome arg

src/renee/setup.py

@@ -28,23 +28,19 @@ def setup(sub_args, ifiles, repo_path, output_path):
     # bundled reference genome or a user generated reference genome built via
     # renee build subcommand
     hpcname = get_hpcname()
-    if hpcname == "biowulf":
-        print("Thank you for running RENEE on BIOWULF!")
-        genome_config = os.path.join(
-            output_path, "config", "genomes", hpcname, sub_args.genome + ".json"
-        )
-    elif hpcname == "frce":
-        print("Thank you for running RENEE on FRCE!")
-        genome_config = os.path.join(
-            output_path, "config", "genomes", hpcname, sub_args.genome + ".json"
-        )
-    else:
-        genome_config = os.path.join(
-            output_path, "config", "genomes", sub_args.genome + ".json"
-        )
+    ty_message = "Thank you for running RENEE"
+    ty_message += f" on {hpcname.upper()}!" if hpcname else "!"
+    print(ty_message)
+
     if sub_args.genome.endswith(".json"):
         # Provided a custom reference genome generated by renee build
         genome_config = os.path.abspath(sub_args.genome)
+    else:
+        genome_config = os.path.join(
+            output_path, "config", "genomes", hpcname, sub_args.genome + ".json"
+        )
+    if not os.path.exists(genome_config):
+        raise FileNotFoundError(f"Genome config file does not exist: {genome_config}")
 
     required = {
         # Template for project-level information