From 50f0ded913114d9602468d727efa15200eef7f64 Mon Sep 17 00:00:00 2001
From: Ben Nemec <bnemec@redhat.com>
Date: Tue, 1 May 2018 15:48:53 +0000
Subject: [PATCH] Don't let tox_install.sh error if there is nothing to do

If the package list is empty just exit successfully.

Change-Id: I1ab896cd99730ab9246cf14e440c25cfd6280df0
---
 tools/tox_install.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/tox_install.sh b/tools/tox_install.sh
index e61b63a8..05c58b33 100755
--- a/tools/tox_install.sh
+++ b/tools/tox_install.sh
@@ -26,5 +26,10 @@ pip install -c"$localfile" openstack-requirements
 # install will be constrained and we need to unconstrain it.
 edit-constraints "$localfile" -- "$CLIENT_NAME"
 
+if [ -z "$@" ]; then
+    echo "No packages to be installed."
+    exit 0
+fi
+
 pip install -c"$localfile" -U "$@"
 exit $?