Merge pull request #31 from percona/PMM-2574_dep

PMM-2574: `dep`

Author: rnovikovP

Gopkg.lock

@@ -0,0 +1,10 @@
+[prune]
+  go-tests = true
+  non-go = true
+  unused-packages = true
+
+[[override]]
+  name = "github.com/prometheus/common"
+  # Version before introducing kingpin.
+  # https://github.com/prometheus/common/pull/96
+  revision = "185c63bfc5a8c7a703687edb52940c895c818cb5"

Gopkg.toml

@@ -22,7 +22,7 @@ DOCKER_IMAGE_NAME   ?= mysqld-exporter
 DOCKER_IMAGE_TAG    ?= $(subst /,-,$(shell git rev-parse --abbrev-ref HEAD))
 
 
-all: format build test-short
+all: verify-vendor format build test-short
 
 style:
 	@echo ">> checking code style"
@@ -36,6 +36,13 @@ test:
 	@echo ">> running tests"
 	@$(GO) test -race $(pkgs)
 
+verify-vendor:
+	@echo ">> verify that vendor/ is in sync with code and Gopkg.*"
+	curl https://github.com/golang/dep/releases/download/v0.4.1/dep-linux-amd64 -L -o ~/dep && chmod +x ~/dep
+	rm -fr vendor/
+	~/dep ensure -v -vendor-only
+	git diff --exit-code
+
 format:
 	@echo ">> formatting code"
 	@$(GO) fmt $(pkgs)