Makefile

ifneq (,)
.error This Makefile requires GNU Make.
endif

.PHONY: lint build rebuild test

# --------------------------------------------------------------------------------------------------
# VARIABLES
# --------------------------------------------------------------------------------------------------
CURRENT_DIR = $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
CURRENT_PHP_VERSION =

DIR = .
FILE = Dockerfile
IMAGE = cytopia/php-cs-fixer
TAG = latest
NO_CACHE =

PHP = latest
PCF = latest

PHP_LATEST = $(shell \
	while ! DATA="$$( curl -sS --fail 'https://github.com/docker-library/php' )"; do \
		sleep 1; \
	done; \
	echo "$${DATA}" | grep -Eo 'php/tree/master/[.0-9]+"' | grep -Eo '[.0-9]+' | sort | tail -1 \
)


# --------------------------------------------------------------------------------------------------
# DEFAULT TARGET
# --------------------------------------------------------------------------------------------------
help:
	@echo "lint                    Lint repository files"
	@echo "build [PHP=] [PCF=]     Build image with PHP and PCF version"
	@echo "test  [PHP=] [PCF=]     Test image with PHP and PCF version"


# --------------------------------------------------------------------------------------------------
# LINT TARGETS
# --------------------------------------------------------------------------------------------------
lint:
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-cr --text --ignore '.git/,.github/,tests/' --path .
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-crlf --text --ignore '.git/,.github/,tests/' --path .
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-trailing-single-newline --text --ignore '.git/,.github/,tests/' --path .
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-trailing-space --text --ignore '.git/,.github/,tests/' --path .
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-utf8 --text --ignore '.git/,.github/,tests/' --path .
	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-utf8-bom --text --ignore '.git/,.github/,tests/' --path .


# --------------------------------------------------------------------------------------------------
# BUILD TARGETS
# --------------------------------------------------------------------------------------------------
build:
ifeq ($(PCF),1)
ifeq ($(PHP),latest)
	@# PHP CS Fixer version 1 goes only up to PHP 7.1
	docker build $(NO_CACHE) --build-arg PHP=7.1 --build-arg PCF=$(PCF) -t $(IMAGE) -f $(DIR)/$(FILE) $(DIR)
else
	docker build $(NO_CACHE) --build-arg PHP=$(PHP) --build-arg PCF=$(PCF) -t $(IMAGE) -f $(DIR)/$(FILE) $(DIR)
endif
else
ifeq ($(PHP),latest)
	docker build $(NO_CACHE) --build-arg PHP=$(PHP_LATEST) --build-arg PCF=$(PCF) -t $(IMAGE) -f $(DIR)/$(FILE) $(DIR)
else
	docker build $(NO_CACHE) --build-arg PHP=$(PHP) --build-arg PCF=$(PCF) -t $(IMAGE) -f $(DIR)/$(FILE) $(DIR)
endif
endif

rebuild: _pull
rebuild: NO_CACHE=--no-cache
rebuild: build


# --------------------------------------------------------------------------------------------------
# TEST TARGETS
# --------------------------------------------------------------------------------------------------
test:
	@$(MAKE) --no-print-directory _test-php-cs-fixer-version
	@$(MAKE) --no-print-directory _test-php-version
	@$(MAKE) --no-print-directory _test-run

.PHONY: _test-php-cs-fixer-version
_test-php-cs-fixer-version:
	@echo "------------------------------------------------------------"
	@echo "- Testing correct phpcs version"
	@echo "------------------------------------------------------------"
	@echo "Fetching latest version from GitHub"; \
	if [ "$(PCF)" = "latest" ]; then \
		LATEST="$$( \
			curl -L -sS https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases \
				| tac | tac \
				| grep -Eo 'tag/v?[.0-9]+?\.[.0-9]+\"' \
				| grep -Eo '[.0-9]+' \
				| sort -u \
				| tail -1 \
		)"; \
		echo "Testing for latest: $${LATEST}"; \
		if ! docker run --rm $(IMAGE) --version | grep -E "^PHP CS Fixer (version)?$${LATEST}"; then \
			echo "Failed"; \
			exit 1; \
		fi; \
	else \
		echo "Testing for tag: $(PCF).x.x"; \
		if ! docker run --rm $(IMAGE) --version | grep -E "^PHP CS Fixer (version[[:space:]])?$(PCF)\.[.0-9]+"; then \
			echo "Failed"; \
			exit 1; \
		fi; \
	fi; \
	echo "Success"; \

.PHONY: _test-php-version
_test-php-version: _get-php-version
	@echo "------------------------------------------------------------"
	@echo "- Testing correct PHP version"
	@echo "------------------------------------------------------------"
	@if [ "$(PCF)" = "1" ] && [ "$(PHP)" = "latest" ]; then \
		echo "Testing for tag: 7.1.x"; \
		if ! docker run --rm --entrypoint=php $(IMAGE) --version | head -1 | grep -E "^PHP[[:space:]]+7\.1\.[.0-9]+[[:space:]]"; then \
			echo "Failed"; \
			exit 1; \
		fi; \
	else \
		echo "Testing for tag: $(CURRENT_PHP_VERSION)"; \
		if ! docker run --rm --entrypoint=php $(IMAGE) --version | head -1 | grep -E "^PHP[[:space:]]+$(CURRENT_PHP_VERSION)([.0-9]+)?"; then \
			echo "Failed"; \
			exit 1; \
		fi; \
	fi; \
	echo "Success"; \

.PHONY: _test-run
_test-run:
	@echo "------------------------------------------------------------"
	@echo "- Testing phpcs (success)"
	@echo "------------------------------------------------------------"
	@if ! docker run --rm -v $(CURRENT_DIR)/tests/ok:/data $(IMAGE) fix --dry-run --diff .; then \
		echo "Failed"; \
		exit 1; \
	fi; \
	echo "Success";
	@echo "------------------------------------------------------------"
	@echo "- Testing phpcs (failure)"
	@echo "------------------------------------------------------------"
	@if docker run --rm -v $(CURRENT_DIR)/tests/fail:/data $(IMAGE) fix --dry-run --diff .; then \
		echo "Failed"; \
		exit 1; \
	fi; \
	echo "Success";


# --------------------------------------------------------------------------------------------------
# HELPER TARGETS
# --------------------------------------------------------------------------------------------------
.PHONY: _pull
_pull:
	@echo "Pull base image"
ifeq ($(PCF),1)
ifeq ($(PHP),latest)
	@# PHP CS Fixer version 1 goes only up to PHP 7.1
	docker pull php:7.1
else
	docker pull php:$(PHP)-cli-alpine
endif
else
ifeq ($(PHP),latest)
	docker pull php:$(PHP_LATEST)-cli-alpine
else
	docker pull php:$(PHP)-cli-alpine
endif
endif

# Fetch latest available PHP version for cli-alpine
.PHONY: _get-php-version
_get-php-version:
	$(eval CURRENT_PHP_VERSION = $(shell \
		if [ "$(PHP)" = "latest" ]; then \
			curl -L -sS https://hub.docker.com/api/content/v1/products/images/php \
				| tac | tac \
				| grep -Eo '`[.0-9]+-cli-alpine' \
				| grep -Eo '[.0-9]+' \
				| sort -u \
				| tail -1; \
		else \
			echo $(PHP); \
		fi; \
	))


# --------------------------------------------------------------------------------------------------
# DEPLOY TARGETS
# --------------------------------------------------------------------------------------------------
.PHONY: tag
tag:
	docker tag $(IMAGE) $(IMAGE):$(TAG)

.PHONY: login
login:
	yes | docker login --username $(USER) --password $(PASS)

.PHONY: push
push:
	@$(MAKE) tag TAG=$(TAG)
	docker push $(IMAGE):$(TAG)