update version ahndling plus option

Author: jensens

CHANGES.md

@@ -2,7 +2,7 @@
 
 ## 1.0.0
 
-- Added tests, CI workflows and hatchling/ trusted publishing
+- Added tests, CI workflows and hatchling/ trusted publishing and `--version` option
   [@jensens, 2025-11-03]
 - Initial porting from https://github.com/rnixx/githelper
   [@rnix, 2025-03-03]

pyproject.toml

@@ -43,6 +43,9 @@ build-backend = "hatchling.build"
 [tool.hatch.version]
 source = "vcs"
 
+[tool.hatch.build.hooks.vcs]
+version-file = "src/mxrepo/_version.py"
+
 [tool.hatch.metadata]
 allow-direct-references = true
 

src/mxrepo/main.py

@@ -1,4 +1,5 @@
 from argparse import ArgumentParser
+from importlib.metadata import version
 
 import json
 import os
@@ -9,6 +10,11 @@
 
 
 mainparser = ArgumentParser(description="Git helper utilities")
+mainparser.add_argument(
+    "--version",
+    action="version",
+    version=f"%(prog)s {version('mxrepo')}",
+)
 subparsers = mainparser.add_subparsers(help="command", required=True)