Makefile.Common

ALL_SRC := $(shell find . -name '*.go' \
                                -type f | sort)

# All source code and documents. Used in spell check.
ALL_SRC_AND_DOC := $(shell find . \( -name "*.md" -o -name "*.go" -o -name "*.yaml" \) \
                                -type f | sort)

# ALL_PKGS is used with 'go cover'
ALL_PKGS := $(shell go list $(sort $(dir $(ALL_SRC))))
# ALL_TEST_DIRS includes ./* dirs (excludes . dir)
ALL_TEST_DIRS := $(shell find . -type f -name "go.mod" -exec dirname {} \; | sort | egrep  '^./' )

GOTEST_OPT?= -race -timeout 30s
GOTEST_OPT_WITH_COVERAGE = $(GOTEST_OPT) -coverprofile=coverage.txt -covermode=atomic
GOTEST=go test
GOFMT=gofmt
GOIMPORTS=goimports
GOLINT=golint
GOVET=go vet
GOOS=$(shell go env GOOS)
ADDLICENCESE= addlicense
MISSPELL=misspell -error
MISSPELL_CORRECTION=misspell -w
STATICCHECK=staticcheck
IMPI=impi

all-pkgs:
	@echo $(ALL_PKGS) | tr ' ' '\n' | sort

all-srcs:
	@echo $(ALL_SRC) | tr ' ' '\n' | sort

.DEFAULT_GOAL := common

.PHONY: common
common: addlicense fmt impi vet lint goimports misspell staticcheck test

.PHONY: test
test:
	@set -e; for dir in $(ALL_TEST_DIRS); do \
	  echo "go test ./... in $${dir}"; \
	  (cd "$${dir}" && \
	    $(GOTEST) ./... ); \
	done

.PHONY: benchmark
benchmark:
	$(GOTEST) -bench=. -run=notests $(ALL_PKGS)

.PHONY: addlicense
addlicense:
	@ADDLICENCESEOUT=`$(ADDLICENCESE) -y 2019 -c 'OpenTelemetry Authors' $(ALL_SRC) 2>&1`; \
		if [ "$$ADDLICENCESEOUT" ]; then \
			echo "$(ADDLICENCESE) FAILED => add License errors:\n"; \
			echo "$$ADDLICENCESEOUT\n"; \
			exit 1; \
		else \
			echo "Add License finished successfully"; \
		fi

.PHONY: fmt
fmt:
	@FMTOUT=`$(GOFMT) -s -l $(ALL_SRC) 2>&1`; \
	if [ "$$FMTOUT" ]; then \
		echo "$(GOFMT) FAILED => gofmt the following files:\n"; \
		echo "$$FMTOUT\n"; \
		exit 1; \
	else \
	    echo "Fmt finished successfully"; \
	fi

.PHONY: lint
lint:
	@LINTOUT=`$(GOLINT) $(ALL_PKGS) 2>&1`; \
	if [ "$$LINTOUT" ]; then \
		echo "$(GOLINT) FAILED => clean the following lint errors:\n"; \
		echo "$$LINTOUT\n"; \
		exit 1; \
	else \
	    echo "Lint finished successfully"; \
	fi

.PHONY: goimports
goimports:
	@IMPORTSOUT=`$(GOIMPORTS) -local github.com/open-telemetry/opentelemetry-collector-contrib -d . 2>&1`; \
	if [ "$$IMPORTSOUT" ]; then \
		echo "$(GOIMPORTS) FAILED => fix the following goimports errors:\n"; \
		echo "$$IMPORTSOUT\n"; \
		exit 1; \
	else \
	    echo "Goimports finished successfully"; \
	fi

.PHONY: misspell
misspell:
	$(MISSPELL) $(ALL_SRC_AND_DOC)

.PHONY: misspell-correction
misspell-correction:
	$(MISSPELL_CORRECTION) $(ALL_SRC_AND_DOC)

.PHONY: staticcheck
staticcheck:
	$(STATICCHECK) ./...

.PHONY: vet
vet:
	@$(GOVET) ./...
	@echo "Vet finished successfully"

.PHONY: impi
impi:
	@$(IMPI) --local github.com/open-telemetry/opentelemetry-collector-contrib --scheme stdThirdPartyLocal ./...