From b4366540c0f102ea3238e8732d739d4c94b1e0d8 Mon Sep 17 00:00:00 2001
From: Doug Hellmann <doug@doughellmann.com>
Date: Sun, 30 Apr 2017 21:58:35 +0000
Subject: [PATCH] add --version argument handling

Change-Id: I416af26def4d75a6e6dedea30401f458965ec26f
Signed-off-by: Doug Hellmann <doug@doughellmann.com>
---
 downpour/app.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/downpour/app.py b/downpour/app.py
index 9bb76bf..d83ac87 100644
--- a/downpour/app.py
+++ b/downpour/app.py
@@ -17,6 +17,7 @@ import logging
 import sys
 
 import os_client_config
+import pkg_resources
 import shade
 
 from downpour import export
@@ -27,6 +28,14 @@ def main():
     parser = argparse.ArgumentParser()
     config = os_client_config.OpenStackConfig()
 
+    version_info = pkg_resources.get_distribution('os-downpour').version
+    parser.add_argument(
+        '--version',
+        action='version',
+        version='%(prog)s ' + version_info,
+        help='show the program version and exit',
+    )
+
     verbose_group = parser.add_mutually_exclusive_group()
     verbose_group.add_argument(
         '--verbose', '-v',