Add extensions to the version output (#411)

This change adds distribution extension name and version to the
--version CLI argument output. So if an extension is being used with
this CLI, it should list it as long as it begins with "precli-".

Signed-off-by: Eric Brown <eric.brown@securesauce.dev>

precli/cli/main.py

@@ -5,6 +5,7 @@
 import sys
 import tempfile
 import zipfile
+from importlib import metadata
 from urllib.parse import urljoin
 from urllib.parse import urlparse
 
@@ -117,11 +118,16 @@ def setup_arg_parser():
         action="store_true",
         help="quiet mode, display less output",
     )
+    extensions = ""
+    for dist in metadata.distributions():
+        if dist.name.startswith("precli-"):
+            extensions += f"  {dist.name} {dist.version}\n"
     python_ver = sys.version.replace("\n", "")
     parser.add_argument(
         "--version",
         action="version",
         version=f"precli {precli.__version__}\n"
+        f"{extensions}"
         f"Copyright 2024 Secure Saurce LLC\n"
         f"License BUSL-1.1: Business Source License 1.1 <{BUSL_URL}>\n"
         f"  Python {python_ver}",