Add comments in several hack/verify-*.sh

hack/verify-all.sh

@@ -14,7 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# This script is a vestigial redirection.  Please do not add "real" logic.
+# This script runs all the verify scripts respectively, so we should run
+# `hack/verify-all.sh` before submit a PR. It is equivalent to `make verify`.
+# Usage: `hack/verify-all.sh` or `make verify`.
+# Note: This script is a vestigial redirection. Please do not add "real" logic.
 
 set -o errexit
 set -o nounset

hack/verify-api-groups.sh

@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# locate all API groups by their packages and versions
+# This scripts locates all API groups by their packages and versions
-
+# Usage: `hack/verify-api-groups.sh`.
 
 set -o errexit
 set -o nounset

hack/verify-bazel.sh

@@ -13,6 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script checks whether updating of the bazel compilation files is needed
+# or not. We should run `hack/update-bazel.sh` if actually updates them.
+# Usage: `hack/verify-bazel.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-boilerplate.sh

@@ -14,6 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script checks boilerplate header for all files.
+# Usage: `hack/verify-boilerplate.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-cli-conventions.sh

@@ -14,6 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script checks the description format of help message of kubectl command
+# is valid or not. And this checking is done for all kubectl sub-commands.
+# Usage: `hack/verify-cli-conventions.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-codegen.sh

@@ -14,6 +14,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script verifies whether code update is needed or not against the
+# specific sub-projects. The sub-projects are listed below this script(the
+# line that starts with `CODEGEN_PKG`).
+# Usage: `hack/verify-codegen.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-conformance-requirements.sh

@@ -14,6 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script checks conformance tests follow the requirements as
+# https://git.k8s.io/community/contributors/devel/sig-architecture/conformance-tests.md#conformance-test-requirements
+# Usage: `hack/verify-conformance-requirements.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-description.sh

@@ -14,6 +14,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script checks API-related files for missing descriptions and outputs a
+# list of structs and fields that are missing descriptions.
+# Usage: `hack/verify-description.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail

hack/verify-external-dependencies-version.sh

@@ -14,6 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# This script verifies that dependencies are up-to-date across different files
+# Usage: `hack/verify-external-dependencies-version.sh`.
+
 set -o errexit
 set -o nounset
 set -o pipefail