From 6da750ad61a891836fa7c25838f7ce80fad42950 Mon Sep 17 00:00:00 2001
From: Vineet Naik <vineet@helpshift.com>
Date: Wed, 28 Dec 2016 20:26:39 +0530
Subject: [PATCH] Add option to print version and exit

---
 pipdeptree.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pipdeptree.py b/pipdeptree.py
index e7f3ba7..199db33 100644
--- a/pipdeptree.py
+++ b/pipdeptree.py
@@ -429,6 +429,8 @@ def main():
     parser = argparse.ArgumentParser(description=(
         'Dependency tree of the installed python packages'
     ))
+    parser.add_argument('-v', '--version', action='version',
+                        version='{0}'.format(__version__))
     parser.add_argument('-f', '--freeze', action='store_true',
                         help='Print names so as to write freeze files')
     parser.add_argument('-a', '--all', action='store_true',