[jenkins]: add -e for all bash script (sonic-net#90)

ensure the script to fail when any of the step in script fails

jenkins/common/dep-build/Jenkinsfile

@@ -29,7 +29,7 @@ pipeline {
         stage('Build') {
             steps {
                 sh '''
-#!/bin/bash -x
+#!/bin/bash -ex
 
 git submodule foreach --recursive '[ -f .git ] && echo "gitdir: $(realpath --relative-to=. $(cut -d" " -f2 .git))" > .git'
 

jenkins/common/linux-kernel-build-pr/Jenkinsfile

@@ -14,7 +14,7 @@ pipeline {
         stage('Build') {
             steps {
                 sh '''
-#!/bin/bash -x
+#!/bin/bash -ex
 
 export kernel_procure_method=build
 make

jenkins/common/linux-kernel-build/Jenkinsfile

@@ -22,7 +22,7 @@ pipeline {
         stage('Build') {
             steps {
                 sh '''
-#!/bin/bash -x
+#!/bin/bash -ex
 
 make
 '''

jenkins/mellanox/sonic-swss-build/Jenkinsfile

@@ -16,9 +16,7 @@ pipeline {
         stage('Build') {
             steps {
                 sh '''
-#!/bin/bash -x
-
-set -e
+#!/bin/bash -ex
 
 # Make apt-get non-interactive
 DEBIAN_FRONTEND=noninteractive

scripts/bldenv/sonic-slave/build.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/bin/bash -ex
 
 cd sonic-buildimage