Makefile

DIR_ABS           := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
DIR_BIN           := $(DIR_ABS)/build/bin

DOCKER_CI_VERSION := ".v1.5.0"
BIN_CLI	          := $(DIR_BIN)/prompto
BINARIES          := $(BIN_CLI)

# use this rule as the default make rule
.DEFAULT_GOAL := help
.PHONY: help
help:
	@echo "Available targets descriptions:"
	@grep -E '^[%a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

###
# aliases to use docker to test, lint, and build stuff
###
.PHONY: build $(BINARIES)
build: $(BINARIES)	## Build binaries
$(BINARIES): $(DIR_BIN)/%:
	@$(MAKE) ci-build-go DOCKER_RUN_ARGS=$(*)
	@command -v go 1>&2 1>/dev/null && go mod tidy || true

.PHONY: lint test
lint: lint-go lint-markdown lint-yaml	## Run all possible linters
test: test-go test-go-deps				## Run all possible tests

.PHONY: lint-go lint-markdown lint-yaml lint-sh
lint-go: ci-lint-go				## Lint go files
lint-sh: ci-lint-sh				## Lint sh files
lint-yaml: ci-lint-yaml			## Lint yaml files
lint-markdown: ci-lint-markdown	## Lint markdown files

.PHONY: test-go test-go-short test-go-deps
test-go: ci-test-go				## Test go code
test-go-deps: ci-test-go-deps	## Test go dependencies
test-go-short: override DOCKER_RUN_OPTS += --env TEST_SHORT=1
test-go-short: ci-test-go		## Test go (short tests only)

.PHONY: clean
clean:	## Clean re-buildable artifacts
	$(RM) -r $(DIR_BIN)

###
# docker related
###
# make build usable by runner
ci-build-go: override DOCKER_RUN_OPTS += --env BUILD_FOR_OS="$(shell command -v go 1>&2 1>/dev/null && go env GOOS || true)"
ci-build-go: override DOCKER_RUN_OPTS += --env BUILD_FOR_ARCH="$(shell command -v go 1>&2 1>/dev/null && go env GOARCH || true)"

# specify a special reusable volume for go-related docker builds
ci-%-go: override DOCKER_RUN_OPTS += --mount type=volume,source='gomodcache',target='/go/pkg/mod/'
ci-%-go: override DOCKER_RUN_OPTS += --mount type=volume,source='gocache',target='/root/.cache/go-build'

# use krostar/ci to test, lint, and/or build stuff
.PHONY: ci-%
ci-%: DIR_ABS := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
ci-%:
	@docker --log-level warn run							\
		--rm												\
		--mount type=bind,source="$(DIR_ABS)",target=/app	\
		$(DOCKER_RUN_OPTS)									\
		"krostar/ci:$(*)$(DOCKER_CI_VERSION)"				\
		$(DOCKER_RUN_ARGS)