feat: add version flag

Author: Justintime50

CHANGELOG.md

@@ -1,7 +1,8 @@
 # CHANGELOG
 
-## v5.0.2 (2023-08-24)
+## v5.1.0 (2023-08-24)
 
+- Adds `--version` CLI flag
 - Bumps dependencies
 
 ## v5.0.1 (2023-06-29)

README.md

@@ -68,6 +68,7 @@ Options:
   --disable_descriptions
                         Disables descriptions in messages.
   --quiet               Does not output when there is nothing to bug about.
+  --version             show program's version number and exit
 ```
 
 ## Development

pullbug/_version.py

@@ -1 +1 @@
-__version__ = '5.0.2'
+__version__ = '5.1.0'

pullbug/cli.py

@@ -2,6 +2,7 @@
 import os
 from typing import get_args
 
+from pullbug._version import __version__
 from pullbug.bug import (
     DEFAULT_BASE_URL,
     DEFAULT_LOG_LEVEL,
@@ -160,6 +161,11 @@ def __init__(self):
             default=False,
             help='Does not output when there is nothing to bug about.',
         )
+        parser.add_argument(
+            '--version',
+            action='version',
+            version=f'%(prog)s {__version__}',
+        )
         parser.parse_args(namespace=self)
 
     def run(self):