Merge pull request kubernetes#76867 from xichengliudui/fixshellcheckfailures-29

fix shellcheck failures on vet.sh

Author: k8s-ci-robot

hack/.shellcheck_failures

@@ -27,7 +27,6 @@
 ./hack/make-rules/test.sh
 ./hack/make-rules/update.sh
 ./hack/make-rules/verify.sh
-./hack/make-rules/vet.sh
 ./hack/pin-dependency.sh
 ./hack/test-integration.sh
 ./hack/update-vendor.sh

hack/make-rules/vet.sh

@@ -18,7 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
+KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/../..
 source "${KUBE_ROOT}/hack/lib/init.sh"
 
 cd "${KUBE_ROOT}"
@@ -47,7 +47,9 @@ done
 
 if [[ ${#targets[@]} -eq 0 ]]; then
   # Do not run on third_party directories or generated client code or build tools.
-  targets=$(go list -e ./... | egrep -v "/(build|third_party|vendor|staging|clientset_generated)/")
+  while IFS='' read -r line; do
+    targets+=("${line}")
+  done < <(go list -e ./... | grep -E -v "/(build|third_party|vendor|staging|clientset_generated)/")
 fi
 
-go vet "${goflags[@]:+${goflags[@]}}" ${targets[@]}
+go vet "${goflags[@]:+${goflags[@]}}" "${targets[@]}"