Makefile.Common

# In order to ensure make instructions fail if there is command that fails a pipe (ie: `go test ... | tee -a ./test_results.txt`)
# the value `-o pipefail` (or `set -o pipefail`) is added to each shell command that make runs
# otherwise in the example command pipe, only the exit code of `tee` is recorded instead of `go test` which can cause
# test to pass in CI when they should not.
SHELL = /bin/bash
ifeq ($(shell uname -s),Windows)
	.SHELLFLAGS = /o pipefile /c
else
	.SHELLFLAGS = -o pipefail -c
endif

# SRC_ROOT is the top of the source tree.
SRC_ROOT := $(shell git rev-parse --show-toplevel)

# A lot of the following install tools commands were leveraged from the 
# Open Telemetry Contributor Makefile following the Go Paradigm for Third Party Tools
# See https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/Makefile.Common#L39-L74 for more details.
TOOLS_MOD_DIR := $(SRC_ROOT)/internal/tools
TOOLS_BIN_DIR := $(SRC_ROOT)/.tools
TOOLS_MOD_REGEX := "\s+_\s+\".*\""
TOOLS_PKG_NAMES  := $(shell grep -E $(TOOLS_MOD_REGEX) < $(TOOLS_MOD_DIR)/tools.go | tr -d " _\"")
TOOLS_BIN_NAMES  := $(addprefix $(TOOLS_BIN_DIR)/, $(notdir $(TOOLS_PKG_NAMES)))


.PHONY: install-tools
install-tools: $(TOOLS_BIN_NAMES)

.PHONY: clean
clean:
	rm -rf $(TOOLS_BIN_DIR)

$(TOOLS_BIN_DIR):
	mkdir -p $@

$(TOOLS_BIN_NAMES): $(TOOLS_BIN_DIR) $(TOOLS_MOD_DIR)/go.mod
		cd $(TOOLS_MOD_DIR) && go build -o $@ -trimpath $(filter %/$(notdir $@),$(TOOLS_PKG_NAMES))

LINT := $(TOOLS_BIN_DIR)/golangci-lint
GOIMPORTS := $(TOOLS_BIN_DIR)/goimports
PORTO := $(TOOLS_BIN_DIR)/porto
GOVULNCHECK := $(TOOLS_BIN_DIR)/govulncheck
GENQLIENT := $(TOOLS_BIN_DIR)/genqlient
SEC := $(TOOLS_BIN_DIR)/gosec
STATICCHECK := $(TOOLS_BIN_DIR)/staticcheck
MDATAGEN := $(TOOLS_BIN_DIR)/mdatagen
OCB := $(TOOLS_BIN_DIR)/builder
GORELEASER := $(TOOLS_BIN_DIR)/goreleaser
MULTIMOD := $(TOOLS_BIN_DIR)/multimod
CROSSLINK := $(TOOLS_BIN_DIR)/crosslink

.PHONY: lint
lint:
	$(LINT) run

.PHONY: tidy
tidy:
	rm go.sum
	go mod tidy -compat=1.21

.PHONY: gen
gen:
	go generate ./...

.PHONY: test
test:
	go test -v ./... -coverprofile=coverage.out -covermode=atomic

.PHONY: fmt
fmt:
	go fmt ./...