hack/Makefile: detect dirty vendor

use containerd/project script to detect dirty vendor.

close: #1012

Signed-off-by: Wei Fu <fuweid89@gmail.com>

Makefile

@@ -60,7 +60,7 @@ help:
 	@echo " * 'version'          	- Print current cri plugin release version"
 	@echo " * 'update-vendor'    	- Syncs containerd/vendor.conf -> vendor.conf and sorts vendor.conf"
 
-verify: lint gofmt boiler
+verify: lint gofmt boiler check-vendor
 
 version:
 	@echo $(VERSION)
@@ -77,6 +77,10 @@ boiler:
 	@echo "checking boilerplate"
 	@./hack/verify-boilerplate.sh
 
+check-vendor:
+	@echo "detecting dirty vendor"
+	@./hack/verify-vendor.sh
+
 .PHONY: sort-vendor sync-vendor update-vendor
 
 sort-vendor:
@@ -171,9 +175,9 @@ else
 	git-validation -v -run DCO,short-subject -range $(EPOCH_TEST_COMMIT)..HEAD
 endif
 
-.PHONY: install.tools .install.gitvalidation .install.gometalinter
+.PHONY: install.tools .install.gitvalidation .install.gometalinter .install.vndr
 
-install.tools: .install.gitvalidation .install.gometalinter
+install.tools: .install.gitvalidation .install.gometalinter .install.vndr
 
 .install.gitvalidation:
 	$(GO) get -u github.com/vbatts/git-validation
@@ -182,6 +186,9 @@ install.tools: .install.gitvalidation .install.gometalinter
 	$(GO) get -u github.com/alecthomas/gometalinter
 	gometalinter --install
 
+.install.vndr:
+	$(GO) get -u github.com/LK4D4/vndr
+
 .PHONY: \
 	binaries \
 	static-binaries \
@@ -204,4 +211,5 @@ install.tools: .install.gitvalidation .install.gometalinter
 	test-e2e-node \
 	uninstall \
 	version \
-	proto
+	proto \
+	check-vendor