Use mattermost v5 module (#1192)

vendor/go.uber.org/atomic/Makefile

@@ -1,51 +1,35 @@
-# Many Go tools take file globs or directories as arguments instead of packages.
-PACKAGE_FILES ?= *.go
+# Directory to place `go install`ed binaries into.
+export GOBIN ?= $(shell pwd)/bin
 
-# For pre go1.6
-export GO15VENDOREXPERIMENT=1
+GOLINT = $(GOBIN)/golint
 
+GO_FILES ?= *.go
 
 .PHONY: build
 build:
-	go build -i ./...
-
-
-.PHONY: install
-install:
-	glide --version || go get github.com/Masterminds/glide
-	glide install
-
+	go build ./...
 
 .PHONY: test
 test:
-	go test -cover -race ./...
+	go test -race ./...
 
+.PHONY: gofmt
+gofmt:
+	$(eval FMT_LOG := $(shell mktemp -t gofmt.XXXXX))
+	gofmt -e -s -l $(GO_FILES) > $(FMT_LOG) || true
+	@[ ! -s "$(FMT_LOG)" ] || (echo "gofmt failed:" && cat $(FMT_LOG) && false)
 
-.PHONY: install_ci
-install_ci: install
-	go get github.com/wadey/gocovmerge
-	go get github.com/mattn/goveralls
-	go get golang.org/x/tools/cmd/cover
-
-.PHONY: install_lint
-install_lint:
-	go get golang.org/x/lint/golint
+$(GOLINT):
+	go install golang.org/x/lint/golint
 
+.PHONY: golint
+golint: $(GOLINT)
+	$(GOLINT) ./...
 
 .PHONY: lint
-lint:
-	@rm -rf lint.log
-	@echo "Checking formatting..."
-	@gofmt -d -s $(PACKAGE_FILES) 2>&1 | tee lint.log
-	@echo "Checking vet..."
-	@go vet ./... 2>&1 | tee -a lint.log;)
-	@echo "Checking lint..."
-	@golint $$(go list ./...) 2>&1 | tee -a lint.log
-	@echo "Checking for unresolved FIXMEs..."
-	@git grep -i fixme | grep -v -e vendor -e Makefile | tee -a lint.log
-	@[ ! -s lint.log ]
+lint: gofmt golint
 
-
-.PHONY: test_ci
-test_ci: install_ci build
-	./scripts/cover.sh $(shell go list $(PACKAGES))
+.PHONY: cover
+cover:
+	go test -coverprofile=cover.out -coverpkg ./... -v ./...
+	go tool cover -html=cover.out -o cover.html