📝 add some spec metadata to versions

Signed-off-by: rjdbcm <[email protected]>

ozi/spec/_spec.py

@@ -20,18 +20,19 @@
 def current_version() -> str:
     """Returns the currently installed version of OZI."""
     try:
-        return version('OZI')
+        version_ = version('OZI')
     except PackageNotFoundError:  # pragma: no cover
-        from setuptools_scm import get_version  # type: ignore
-
-        return str(get_version(root='..', relative_to=__file__))
-
+        version_ = str(get_version(root='..', relative_to=__file__))
+    return version_
 
 @dataclass(slots=True, frozen=True, eq=True)
 class Spec(Default):
     """OZI Specification metadata."""
 
-    version: str = '0.4'
+    version: str = field(
+        default='0.4',
+        metadata={'help': 'OZI specification standard version.'},
+    )
     python: PythonProject = ClassicProject()
 
 
@@ -46,7 +47,10 @@ class Experimental(Default):
 class OZI(Default):
     """OZI distribution metadata."""
 
-    version: str = field(default_factory=current_version)
+    version: str = field(
+        default_factory=current_version,
+        metadata={'help': 'Currently installed version of the OZI package.'},
+    )
     python_support: PythonSupport = PythonSupport()
     experimental: Experimental = Experimental()