update-copyright.py: add --version

diff --git a/bin/update-copyright.py b/bin/update-copyright.py
index df66d61f91efcc8a61b5702b1471fcce9fc12517..2482cb93063d0b9dff9dee9ff367aa923087be33 100755 (executable)
--- a/bin/update-copyright.py
+++ b/bin/update-copyright.py
@@ -34,6 +34,7 @@ file in your project root.
 import logging as _logging
 import os.path as _os_path
 
+from update_copyright import __version__
 from update_copyright import LOG as _LOG
 from update_copyright.project import Project
 
@@ -43,6 +44,9 @@ if __name__ == '__main__':
     import sys
 
     p = argparse.ArgumentParser(description=__doc__)
+    p.add_argument(
+        '--version', action='version',
+        version='%(prog)s {}'.format(__version__))
     p.add_argument(
         '--config', dest='config', default='.update-copyright.conf',
         metavar='PATH', help='path to project config file')