fix shellcheck in k8s.io/apiextensions-apiserver

hack/.shellcheck_failures

@@ -158,11 +158,6 @@
 ./pkg/kubectl/cmd/edit/testdata/record_testcase.sh
 ./pkg/util/verify-util-pkg.sh
 ./plugin/pkg/admission/imagepolicy/gencerts.sh
-./staging/src/k8s.io/apiextensions-apiserver/examples/client-go/hack/update-codegen.sh
-./staging/src/k8s.io/apiextensions-apiserver/examples/client-go/hack/verify-codegen.sh
-./staging/src/k8s.io/apiextensions-apiserver/hack/build-image.sh
-./staging/src/k8s.io/apiextensions-apiserver/hack/update-codegen.sh
-./staging/src/k8s.io/apiextensions-apiserver/hack/verify-codegen.sh
 ./staging/src/k8s.io/code-generator/generate-groups.sh
 ./staging/src/k8s.io/code-generator/generate-internal-groups.sh
 ./staging/src/k8s.io/code-generator/hack/update-codegen.sh

staging/src/k8s.io/apiextensions-apiserver/examples/client-go/hack/update-codegen.sh

@@ -18,17 +18,17 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
-CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
 
 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
 #                  k8s.io/kubernetes. The output-base is needed for the generators to output into the vendor dir
 #                  instead of the $GOPATH directly. For normal projects this can be dropped.
-${CODEGEN_PKG}/generate-groups.sh all \
+"${CODEGEN_PKG}/generate-groups.sh" all \
   k8s.io/apiextensions-apiserver/examples/client-go/pkg/client k8s.io/apiextensions-apiserver/examples/client-go/pkg/apis \
   cr:v1 \
-  --output-base "$(dirname ${BASH_SOURCE})/../../../../.."
+  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../../../.."
 
 # To use your own boilerplate text append:
 #   --go-header-file ${SCRIPT_ROOT}/hack/custom-boilerplate.go.txt

staging/src/k8s.io/apiextensions-apiserver/examples/client-go/hack/verify-codegen.sh

@@ -18,7 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 
 DIFFROOT="${SCRIPT_ROOT}/pkg"
 TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"

staging/src/k8s.io/apiextensions-apiserver/hack/build-image.sh

@@ -14,8 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+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/util.sh"
 
 # Register function to be called on EXIT to remove generated binary.

staging/src/k8s.io/apiextensions-apiserver/hack/update-codegen.sh

@@ -18,8 +18,8 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
-CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
 
 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
@@ -27,8 +27,8 @@ CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-ge
 #                  instead of the $GOPATH directly. For normal projects this can be dropped.
 CLIENTSET_NAME_VERSIONED=clientset \
 CLIENTSET_NAME_INTERNAL=internalclientset \
-${CODEGEN_PKG}/generate-internal-groups.sh all \
+"${CODEGEN_PKG}/generate-internal-groups.sh" all \
   k8s.io/apiextensions-apiserver/pkg/client k8s.io/apiextensions-apiserver/pkg/apis k8s.io/apiextensions-apiserver/pkg/apis \
   "apiextensions:v1beta1" \
-  --output-base "$(dirname ${BASH_SOURCE})/../../.." \
-  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate.go.txt
+  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
+  --go-header-file "${SCRIPT_ROOT}/hack/boilerplate.go.txt"

staging/src/k8s.io/apiextensions-apiserver/hack/verify-codegen.sh

@@ -18,8 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
-SCRIPT_BASE=${SCRIPT_ROOT}/../..
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 
 DIFFROOT="${SCRIPT_ROOT}/pkg"
 TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"