Fix coverage output for GH Actions

Author: jmrodri

.gitignore

@@ -1,6 +1,5 @@
 vendor*
-coverage-all.out
-coverage.out
+cover.out
 
 # IDE baggage
-.idea/
+.idea/

Makefile

@@ -1,7 +1,5 @@
 SOURCE_DIRS      = handler leader predicate status
 SOURCES          := $(shell find . -name '*.go' -not -path "*/vendor/*" -not -path "*/.git/*")
-PACKAGES         := $(shell go list $(addprefix ./, $(addsuffix /... , $(shell ls -d */ | grep -v vendor))))
-# COVERAGE_SVC     := travis-ci
 .DEFAULT_GOAL    := build
 
 # ensure: ## Install or update project dependencies
@@ -10,7 +8,7 @@ PACKAGES         := $(shell go list $(addprefix ./, $(addsuffix /... , $(shell l
 build: $(SOURCES) ## Build Test
 	go build -i -ldflags="-s -w" ./...
 
-lint: ## Run golint
+lint: golangci-lint ## Run golint
 	@golangci-lint run --disable-all \
 		--deadline 5m \
 		--enable=nakedret \
@@ -38,28 +36,27 @@ fmtcheck: ## Check go formatting
 	@gofmt -l $(SOURCES) | grep ".*\.go"; if [ "$$?" = "0" ]; then exit 1; fi
 
 test: ## Run unit tests
-	@go test -cover $(addprefix ./, $(addsuffix /... , $(SOURCE_DIRS)))
+	@go test -race -covermode atomic -coverprofile cover.out $(addprefix ./, $(addsuffix /... , $(SOURCE_DIRS)))
 
 vet: ## Run go vet
 	@go vet $(addprefix ./, $(SOURCE_DIRS))
 
-coverage-all.out: $(PACKAGES)
-	@grep -q -F 'mode: count' coverage-all.out || sed -i '1i mode: count' coverage-all.out
-
-$(PACKAGES): $(SOURCES)
-	@go test -coverprofile=coverage.out -covermode=count $@ && tail -n +2 coverage.out >> coverage-all.out;
-
-test-coverage-html: coverage-all.out ## Check out the test coverage locally
-	@go tool cover -html=coverage-all.out
-
-ci-test-coverage: coverage-all.out ## CI test coverage, upload to coveralls
-	@goveralls -coverprofile=coverage-all.out -service $(COVERAGE_SVC)
-
 check: fmtcheck vet lint build test ## Pre-flight checks before creating PR
 
 clean: ## Clean up your working environment
 	@rm -f coverage-all.out coverage.out
 
+golangci-lint:
+ifeq (, $(shell which golangci-lint))
+	@{ \
+	set -e ;\
+	curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(shell go env GOPATH)/bin v1.27.0 ;\
+	}
+GOLANGCI_LINT=$(shell go env GOPATH)/bin/golangci-lint
+else
+GOLANGCI_LINT=$(shell which golangci-lint)
+endif
+
 # generate: ## regenerate mocks
 #     go get github.com/vektra/mockery/.../
 #     @go generate ./...
@@ -72,4 +69,4 @@ help: ## Show this help screen
 	@grep -E '^[ a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | \
 		awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
 
-.PHONY: ensure build lint fmt fmtcheck test vet check help test-coverage-html clean $(PACKAGES)
+.PHONY: ensure build lint fmt fmtcheck test vet check help clean