run godeps twice in validation to include recursive dependencies

hack/godep-save.sh

@@ -31,4 +31,7 @@ REQUIRED_BINS=(
 
 pushd "${KUBE_ROOT}" > /dev/null
   GO15VENDOREXPERIMENT=1 ${GODEP} save "${REQUIRED_BINS[@]}"
+  # A temporary workaround to prevent godep from not including recursive dependencies.
+  # This can be removed once a restore followed by a save does not drop dependencies.
+  GO15VENDOREXPERIMENT=1 ${GODEP} save "${REQUIRED_BINS[@]}"
 popd > /dev/null

hack/verify-godeps.sh

@@ -95,6 +95,8 @@ git init > /dev/null 2>&1
 
 # Recreate the Godeps using the nice clean set we just downloaded
 hack/godep-save.sh
+# Run it again to make godep include recursive dependencies.
+hack/godep-save.sh
 
 # Test for diffs
 if ! _out="$(diff -Naupr --ignore-matching-lines='^\s*\"GoVersion\":' --ignore-matching-line='^\s*\"GodepVersion\":' --ignore-matching-lines='^\s*\"Comment\":' ${KUBE_ROOT}/Godeps/Godeps.json ${_kubetmp}/Godeps/Godeps.json)"; then