CARGO_TARGET_DIR ?= target
CARGO_TARGET ?= x86_64-unknown-linux-gnu
PKG_BASE_NAME ?= timer-${CARGO_TARGET}
PROJECT_VERSION := $(shell sed -n 's/^version = "\(.*\)"/\1/p' ./Cargo.toml | head -n1)

.DEFAULT: help
.PHONY: help
help:	## Show this help menu.
	@echo "Usage: make [TARGET ...]"
	@echo ""
	@@egrep -h "#[#]" $(MAKEFILE_LIST) | sed -e 's/\\$$//' | awk 'BEGIN {FS = "[:=].*?#[#] "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
	@echo ""

.PHONY: build
build:	## compile timer
build:
	cargo build --release

.PHONY: lint
lint:	## lint code
lint:
	cargo clippy --locked --all-targets --all-features -- -D warnings
	cargo fmt -- --check

.PHONY: test
test:	## run tests
test: lint
	cargo test

.PHONY: update-changelog
update-changelog:	## automatically update changelog based on commits
	git cliff -t v$(PROJECT_VERSION) -u -p CHANGELOG.md

.PHONY: release
release:	## generate vendor.tar.gz and $(PKG_BASE_NAME).tar.gz
	cargo vendor
	tar -czf vendor.tar.gz vendor
	cargo build --frozen --release --all-features --target ${CARGO_TARGET}
	tar -czf $(PKG_BASE_NAME).tar.gz -C $(CARGO_TARGET_DIR)/$(CARGO_TARGET)/release timer
	@echo Released in $(CARGO_TARGET_DIR)/$(CARGO_TARGET)/release/timer

.PHONY: publish
publish:	## publish crate
	cargo publish