Add checks for dependencies that are not vendored.

`make vendor` fails if any dependency is not vendored.

Signed-off-by: Madhur Batra <madhurbatra097@gmail.com>

.dockerignore

@@ -4,3 +4,4 @@
 appveyor.yml
 build
 circle.yml
+/vndr.log

.gitignore

@@ -16,3 +16,4 @@ cli/winresources/rsrc_amd64.syso
 /docs/yaml/gen/
 coverage.txt
 profile.out
+/vndr.log

Makefile

@@ -64,8 +64,9 @@ dynbinary: ## build dynamically linked binary
 
 vendor: vendor.conf ## check that vendor matches vendor.conf
 	rm -rf vendor
-	bash -c 'vndr |& grep -v -i clone'
+	bash -c 'vndr |& grep -v -i clone | tee ./vndr.log'
 	scripts/validate/check-git-diff vendor
+	scripts/validate/check-all-packages-vendored
 
 .PHONY: authors
 authors: ## generate AUTHORS file from git history

scripts/validate/check-all-packages-vendored

@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -eu
+
+WARN_MISS_VENDOR='WARNING: dependency is not vendored'
+
+if grep -q "$WARN_MISS_VENDOR" "./vndr.log"; then
+	echo 
+	echo "Some dependencies are not vendored."
+	echo
+	exit 1
+fi