Don't set -ex for nvm functions

test/distrib/node/run_distrib_test.sh

@@ -30,11 +30,11 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 cd $(dirname $0)
 
 nvm install $NODE_VERSION
+set -ex
 
 npm install -g node-static
 

tools/run_tests/build_artifact_node.sh

@@ -30,9 +30,9 @@
 
 NODE_TARGET_ARCH=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 

tools/run_tests/build_node.sh

@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}
 

tools/run_tests/build_package_node.sh

@@ -29,9 +29,9 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use 4
+set -ex
 
 cd $(dirname $0)/../..
 

tools/run_tests/pre_build_node.sh

@@ -31,9 +31,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 export GRPC_CONFIG=${CONFIG:-opt}
 

tools/run_tests/run_node.sh

@@ -30,9 +30,9 @@
 
 NODE_VERSION=$1
 source ~/.nvm/nvm.sh
-set -ex
 
 nvm use $NODE_VERSION
+set -ex
 
 CONFIG=${CONFIG:-opt}