@@ -8,6 +8,17 @@ source "${SCRIPTDIR}/.validate"

 tidy_files=('go.mod' 'go.sum')

 vendor_files=("${tidy_files[@]}" 'vendor/')

+validate_vendor_files_exist() {

+	local file

+	for file in "${vendor_files[@]}"; do

+		if [ ! -e "$file" ]; then

+			echo >&2 "ERROR: required file '$file' does not exist"

+			return 1

+		fi

+	done

+	return 0

+}

+

 validate_vendor_tidy() {

 	# run mod tidy

 	./hack/vendor.sh tidy

@@ -37,6 +48,16 @@ validate_vendor_license() {

 	done < <(awk '/^# /{ print $2 }' vendor/modules.txt)

 }

+# First check the required files exist as git diff will not report missing files.

+if ! validate_vendor_files_exist; then

+	{

+		echo 'FAIL: Vendoring was not performed correctly!'

+		echo

+		echo 'Please revendor with hack/vendor.sh'

+	} >&2

+	exit 1

+fi

+

 if validate_vendor_tidy && validate_vendor_diff && validate_vendor_license; then

 	echo >&2 'PASS: Vendoring has been performed correctly!'

 else