Merge branch 'add-version-attribute' into 'main'

Provide --version functionality

See merge request mpsd-cs/mpsd-software-environments!44

.gitlab-ci.yml

@@ -83,6 +83,7 @@ style:
     - pydocstyle mpsd-software.py
     - pydocstyle tests.py
     # we could also use `ruff --select D` for pycodestyle. But the behaviour is not exactly the same.
+    - ./mpsd-software-environment.py --version
 
 
 test-bullseye:

mpsd-software.py

@@ -2,6 +2,8 @@
 
 """mpsd-software: tool for installation of software as on MPSD HPC."""
 
+__version__ = "2023.6.9"
+
 import argparse
 import datetime
 import logging
@@ -1035,6 +1037,8 @@ def main():
         help="Set the log level",
     )
 
+    parser.add_argument("--version", action="version", version=__version__)
+
     subparsers = parser.add_subparsers(
         dest="action", title="actions", description="valid actions", required=True
     )