From d5d9b894b6ec1175dc2c74c511d96ebf94f9d62c Mon Sep 17 00:00:00 2001
From: Romain Primet <romain.primet@inria.fr>
Date: Tue, 9 Jan 2018 08:22:38 +0000
Subject: [PATCH] change parameter handling to 'action=append'

---
 repo2docker/app.py | 2 +-
 tests/env.py       | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/repo2docker/app.py b/repo2docker/app.py
index 380ae56e..b0f32602 100644
--- a/repo2docker/app.py
+++ b/repo2docker/app.py
@@ -300,7 +300,7 @@ class Repo2Docker(Application):
         argparser.add_argument(
             '--env', '-e',
             dest='environment',
-            nargs='+',
+            action='append',
             help='Environment variables to define at container run time',
             default=[]
         )
diff --git a/tests/env.py b/tests/env.py
index 21d3f9e0..6700d60b 100644
--- a/tests/env.py
+++ b/tests/env.py
@@ -16,7 +16,8 @@ def test_env():
         subprocess.check_call([
             'repo2docker',
             '-v', '{}:/home/{}'.format(tmpdir, username),
-            '-e', 'FOO={}'.format(ts), 'BAR=baz',
+            '-e', 'FOO={}'.format(ts), 
+            '--env', 'BAR=baz',
             '--',
             tmpdir,
             '/bin/bash',