[incubator-mxnet] 02/16: Fixed bash default value substitution

[marcoabreu]

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marcoabreu pushed a commit to branch devel-arm
in repository https://gitbox.apache.org/repos/asf/incubator-mxnet.git

commit 6d02ddd2d4f68fa1f0f1abf2d80d4b80d2fe676e
Author: Anton Chernov <mecher...@gmail.com>
AuthorDate: Fri May 25 14:11:39 2018 +0200

    Fixed bash default value substitution
---
 ci/docker/runtime_functions.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ci/docker/runtime_functions.sh b/ci/docker/runtime_functions.sh
index 6805446..74edd0c 100755
--- a/ci/docker/runtime_functions.sh
+++ b/ci/docker/runtime_functions.sh
@@ -36,8 +36,8 @@ build_wheel() {
     set -ex
     pushd .
 
-    PYTHON_DIR = ${1:/work/mxnet/python}
-    BUILD_DIR = ${2:/work/build}
+    PYTHON_DIR = ${1:-/work/mxnet/python}
+    BUILD_DIR = ${2:-/work/build}
 
     # build
 

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