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Makefile
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TEMP_DIR := ./.tmp
# Command templates #################################
LINT_CMD := $(TEMP_DIR)/golangci-lint run --tests=false
GOIMPORTS_CMD := $(TEMP_DIR)/gosimports -local github.com/anchore
# Tool versions #################################
GOLANGCILINT_VERSION := v1.52.2
GOSIMPORTS_VERSION := v0.3.8
BOUNCER_VERSION := v0.4.0
# Formatting variables #################################
BOLD := $(shell tput -T linux bold)
PURPLE := $(shell tput -T linux setaf 5)
GREEN := $(shell tput -T linux setaf 2)
CYAN := $(shell tput -T linux setaf 6)
RED := $(shell tput -T linux setaf 1)
RESET := $(shell tput -T linux sgr0)
TITLE := $(BOLD)$(PURPLE)
SUCCESS := $(BOLD)$(GREEN)
define title
@printf '$(TITLE)$(1)$(RESET)\n'
endef
define safe_rm_rf
bash -c 'test -z "$(1)" && false || rm -rf $(1)'
endef
define safe_rm_rf_children
bash -c 'test -z "$(1)" && false || rm -rf $(1)/*'
endef
.DEFAULT_GOAL:=all
.PHONY: all
all: static-analysis test ## Run all validations
@printf '$(SUCCESS)All checks pass!$(RESET)\n'
.PHONY: static-analysis
static-analysis: check-go-mod-tidy lint check-licenses ## Run all static analysis checks
.PHONY: test
test: unit ## Run all tests (currently unit)
## Bootstrapping targets #################################
.PHONY: bootstrap
bootstrap: $(TEMP_DIR) bootstrap-go bootstrap-tools ## Download and install all tooling dependencies (+ prep tooling in the ./tmp dir)
$(call title,Bootstrapping dependencies)
.PHONY: bootstrap-tools
bootstrap-tools: $(TEMP_DIR)
curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(TEMP_DIR)/ $(GOLANGCILINT_VERSION)
curl -sSfL https://raw.githubusercontent.com/wagoodman/go-bouncer/master/bouncer.sh | sh -s -- -b $(TEMP_DIR)/ $(BOUNCER_VERSION)
# the only difference between goimports and gosimports is that gosimports removes extra whitespace between import blocks (see https://github.com/golang/go/issues/20818)
GOBIN="$(realpath $(TEMP_DIR))" go install github.com/rinchsan/gosimports/cmd/gosimports@$(GOSIMPORTS_VERSION)
.PHONY: bootstrap-go
bootstrap-go:
go mod download
$(TEMP_DIR):
mkdir -p $(TEMP_DIR)
## Static analysis targets #################################
.PHONY: lint
lint: ## Run gofmt + golangci lint checks
$(call title,Running linters)
# ensure there are no go fmt differences
@printf "files with gofmt issues: [$(shell gofmt -l -s .)]\n"
@test -z "$(shell gofmt -l -s .)"
# run all golangci-lint rules
$(LINT_CMD)
@[ -z "$(shell $(GOIMPORTS_CMD) -d .)" ] || (echo "goimports needs to be fixed" && false)
# go tooling does not play well with certain filename characters, ensure the common cases don't result in future "go get" failures
$(eval MALFORMED_FILENAMES := $(shell find . | grep -e ':'))
@bash -c "[[ '$(MALFORMED_FILENAMES)' == '' ]] || (printf '\nfound unsupported filename characters:\n$(MALFORMED_FILENAMES)\n\n' && false)"
.PHONY: format
format: ## Auto-format all source code
$(call title,Running formatters)
gofmt -w -s .
$(GOIMPORTS_CMD) -w .
go mod tidy
.PHONY: lint-fix
lint-fix: format ## Auto-format all source code + run golangci lint fixers
$(call title,Running lint fixers)
$(LINT_CMD) --fix
.PHONY: check-licenses
check-licenses: ## Ensure transitive dependencies are compliant with the current license policy
$(call title,Checking for license compliance)
$(TEMP_DIR)/bouncer check ./...
check-go-mod-tidy:
@ .github/scripts/go-mod-tidy-check.sh && echo "go.mod and go.sum are tidy!"
## Testing targets #################################
.PHONY: unit
unit: $(TEMP_DIR) ## Run unit tests
$(call title,Running unit tests)
go test ./...
## Halp! #################################
.PHONY: help
help: ## Display this help
@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "$(BOLD)$(CYAN)%-25s$(RESET)%s\n", $$1, $$2}'