Fixed bash default value substitution

apache · May 25, 2018 · 0d7b594 · 0d7b594
1 parent 9d80e5f
commit 0d7b594
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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