Suppress the output of the credentials in concourse

To fix the credential leak, make these jobs able to be public after
their job history are scrubbed.

Also remove unnecessary -B, which benefits from 08ec642dSigned-off-by: NYuan Zhao <yuzhao@pivotal.io>

concourse/scripts/gpcheckcloud_tests_gpcloud.bash

@@ -42,7 +42,7 @@ function _main() {
 	time setup_gpadmin_user
 	time gen_env
 
-	echo -n "$s3conf" | base64 -d > /home/gpadmin/s3.conf
+	set +x && echo -n "$s3conf" | base64 -d > /home/gpadmin/s3.conf && set -x
 	chown gpadmin:gpadmin /home/gpadmin/s3.conf
 
 	time run_regression_gpcheckcloud

concourse/scripts/regression_tests_gpcloud.bash

@@ -18,7 +18,7 @@ function gen_env(){
 	if [ "$overwrite_gpcloud" = "true" ]
 	then
 		cd "\${1}/gpdb_src/gpAux/extensions/gpcloud"
-		make -B install
+		make install
 	fi
 
 	cd "\${1}/gpdb_src/gpAux/extensions/gpcloud/regress"
@@ -59,7 +59,7 @@ function _main() {
 	time make_cluster
 	time gen_env
 
-	echo -n "$s3conf" | base64 -d > /home/gpadmin/s3.conf
+	set +x && echo -n "$s3conf" | base64 -d > /home/gpadmin/s3.conf && set -x
 	chown gpadmin:gpadmin /home/gpadmin/s3.conf
 
 	time run_regression_test

concourse/scripts/staging_server_gpcloud.bash

@@ -13,8 +13,8 @@ function gen_env(){
 	source /usr/local/greenplum-db-devel/greenplum_path.sh
 
 	cd "\${1}/gpdb_src/gpAux/extensions/gpcloud"
-	make -B
-	make -B gpcheckcloud
+	make
+	make gpcheckcloud
 	EOF
 
 	chown -R gpadmin:gpadmin $(pwd)
@@ -31,7 +31,7 @@ function build_gpcloud_components() {
 }
 
 function push_to_staging_server() {
-	echo -n "$EC2_PRIVATE_KEY" | base64 -d > /home/gpadmin/ec2_private_key
+	set +x && echo -n "$EC2_PRIVATE_KEY" | base64 -d > /home/gpadmin/ec2_private_key && set -x
 	chmod 600 /home/gpadmin/ec2_private_key
 
 	ssh -i /home/gpadmin/ec2_private_key -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null gpadmin@$EC2_INSTANCE_IP "source /home/gpadmin/greenplum-db-data/env/env.sh; source /home/gpadmin/greenplum-db/greenplum_path.sh; if gpstate &> /dev/null; then gpstop -a; fi"