Merge pull request #26458 from david-mcmahon/godep-version

Automatic merge from submit-queue

Check for a valid godep version.

hack/lib/golang.sh

@@ -263,6 +263,33 @@ kube::golang::create_gopath_tree() {
   ln -s "${KUBE_ROOT}" "${go_pkg_dir}"
 }
 
+# Ensure the godep tool exists and is a viable version.
+kube::golang::verify_godep_version() {
+  local -a godep_version_string
+  local godep_version
+  local godep_min_version="63"
+
+  if ! which godep &>/dev/null; then
+    kube::log::usage_from_stdin <<EOF
+Can't find 'godep' in PATH, please fix and retry.
+See https://github.com/kubernetes/kubernetes/blob/master/docs/devel/development.md#godep-and-dependency-management for installation instructions.
+EOF
+    return 2
+  fi
+
+  godep_version_string=($(godep version))
+  godep_version=${godep_version_string[1]/v/}
+  if ((godep_version<$godep_min_version)); then
+    kube::log::usage_from_stdin <<EOF
+Detected godep version: ${godep_version_string[*]}.
+Kubernetes requires godep v$godep_min_version or greater.
+Please update:
+go get -u github.com/tools/godep
+EOF
+    return 2
+  fi
+}
+
 # Ensure the go tool exists and is a viable version.
 kube::golang::verify_go_version() {
   if [[ -z "$(which go)" ]]; then