build: update Makefile help doc autogenerator

Makefile

@@ -5,82 +5,82 @@ COMMIT := $(shell git rev-parse HEAD)
 RELEASE_CONTAINER_NAME := mango
 GOLANGCILINT_CACHE := ${CURDIR}/.golangci-lint/build/cache
 
-## help:			print this help message
+# autogenerate help messages for comment lines with 2 `#`
 .PHONY: help
-help: Makefile
-	# autogenerate help messages for comment lines with 2 `#`
-	@sed -n 's/^##//p' $<
+help: ## print this help message
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n\nTargets:\n"} /^[a-z0-9A-Z_-]+:.*?##/ { printf "  \033[36m%-10s\033[0m\t%s\n", $$1, $$2 }' $(MAKEFILE_LIST)
 
-## tidy:			tidy modules
-tidy:
+.PHONY: tidy
+tidy: ## tidy modules
 	${GOMOD} tidy
 
-## fmt:			apply go code style formatter
-fmt:
+.PHONY: fmt
+fmt: ## apply go code style formatter
 	${GOFMT} -x ./...
 
-## lint:			run linters
-lint:
+.PHONY:	lint
+lint: ## run linters
 	mkdir -p ${GOLANGCILINT_CACHE} || true
 	podman run --rm -v ${CURDIR}:/app -v ${GOLANGCILINT_CACHE}:/root/.cache -w /app docker.io/golangci/golangci-lint:latest golangci-lint run -v
 
-## build-mango		build the `mango` configuration management server
-build-mango: fmt tidy lint
+.PHONY: build-mango
+build-mango: fmt tidy lint ## build the `mango` configuration management server
 	goreleaser build --clean --single-target --snapshot --output . --id "mango"
 
-## build-mh		build `mh`, the helper tool for mango
-build-mh: fmt tidy lint
+.PHONY: build-mh
+build-mh: fmt tidy lint ## build `mh`, the helper tool for mango
 	goreleaser build --clean --single-target --snapshot --output . --id "mh"
 
-## build:			alias for `build-mango build-mh`
-build: build-mango build-mh
+.PHONY: build
+build: build-mango build-mh ## alias for `build-mango build-mh`
 
-## binary:		alias for `build`
-binary: build
+.PHONY: binary
+binary: build ## alias for `build`
 
-## container: 		build container image with binary
-container: binary
+.PHONY: container
+container: binary ## build container image with binary
 	podman image build -t ${RELEASE_CONTAINER_NAME}:latest .
 
-## image:			alias for `container`
-image: container
+.PHONY: image
+image: container ## alias for `container`
 
-## podman:		alias for `container`
-podman: container
+.PHONY: podman
+podman: container ## alias for `container`
 
-## docker:		alias for `container`
-docker: container
+.PHONY: docker
+docker: container ## alias for `container`
 
-## test-container:	build test containers with binary for testing purposes
-test-container: binary
+.PHONY: test-container
+test-container: binary ## build test containers with binary for testing purposes
 	podman image build -t "mango-test-ubuntu" -f Dockerfile-testbox-ubuntu .
 	podman image build -t "mango-test-arch" -f Dockerfile-testbox-arch .
 
-## test-image:		alias for `container`
-test-image: container
+.PHONY: test-image
+test-image: container ## alias for `container`
 
-## test-podman:		alias for `container`
-test-podman: container
+.PHONY: test-podman
+test-podman: container ## alias for `container`
 
-## test-docker:		alias for `container`
-test-docker: container
+.PHONY: test-docker
+test-docker: container ## alias for `container`
 
-## services:		use podman compose to spin up local grafana, prometheus, etc
-services:
+.PHONY: services
+services: ## use podman compose to spin up local grafana, prometheus, etc
 	podman-compose -f docker-compose-services.yaml up -d
 
-## run-test-containers	use podman compose to spin up test containers running systemd for use with the test inventory
-run-test-containers: test-container services
+.PHONY: run-test-containers
+run-test-containers: test-container services ## use podman compose to spin up test containers running systemd for use with the test inventory
 	podman-compose -f docker-compose-test-mango.yaml --podman-run-args="--systemd=true" up -d
 
-## reload-test-inventory: use podman to reload the mango systemd service running in the ubuntu test container
-reload-test-inventory: run-test-inventory
+.PHONY: reload-test-inventory
+reload-test-inventory: run-test-inventory ## use podman to reload the mango systemd service running in the ubuntu test container
 	podman-compose -f docker-compose-test-mango.yaml exec -T mango-archlinux /bin/bash -c 'systemctl reload mango.service'
 	podman-compose -f docker-compose-test-mango.yaml exec -T mango-ubuntu-2204 /bin/bash -c 'systemctl reload mango.service'
 
-## stop:			stop test environment and any other cleanup
-stop:
+.PHONY: stop
+stop: ## stop test environment and any other cleanup
 	podman-compose -f docker-compose-services.yaml down
 	podman-compose -f docker-compose-test-mango.yaml down
 
-## clean: 		alias for `stop`
+.PHONY: clean
+clean: stop ## alias for `stop`