Local build: rely only on docker

.gitattributes

@@ -8,6 +8,8 @@
 /*.dist                                   export-ignore
 /phpbench.json                            export-ignore
 /composer.lock                            export-ignore
+/docker-compose.yml                       export-ignore
+/Dockerfile                               export-ignore
 /README.md                                export-ignore
 /Makefile                                 export-ignore
 /.roave-backward-compatibility-check.json export-ignore

.gitignore

@@ -3,6 +3,7 @@ phpunit.xml
 infection.txt
 coverage
 phpcs.xml
+/.env
 /.phpcs.cache
 /.phpunit.result.cache
 /.phpunit.cache

Dockerfile

@@ -0,0 +1,20 @@
+FROM php:8.4
+
+# git needed for Infection
+RUN apt-get update \
+    && apt-get -y install --no-install-recommends \
+        git
+
+ADD --chmod=0755 https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
+
+RUN install-php-extensions @composer pcov
+
+# Mapping the host user to the docker one ensure
+# files have the same permissions
+ARG USER_ID
+ARG GROUP_ID
+
+RUN groupadd --gid ${GROUP_ID} code \
+    && useradd --create-home --shell /bin/bash --uid ${USER_ID} --gid code code
+
+USER code

Makefile

@@ -1,40 +1,45 @@
+ifdef CI
+	DOCKER_PHP_EXEC :=
+else
+	DOCKER_PHP_EXEC := docker compose run --rm php
+endif
 PARALLELISM := $(shell nproc)
 
 .PHONY: all
-all: install phpcbf phpcs phpstan phpunit infection phpbench
+all: phpcbf phpcs phpstan phpunit infection phpbench
 
-.PHONY: install
-install: vendor/composer/installed.json
+.env: /etc/passwd /etc/group Makefile
+	printf "USER_ID=%s\nGROUP_ID=%s\n" `id --user "${USER}"` `id --group "${USER}"` > .env
 
-vendor/composer/installed.json: composer.json composer.lock
-	@composer install $(INSTALL_FLAGS)
+vendor/composer/installed.json: composer.json composer.lock .env docker-compose.yml Dockerfile
+	@$(DOCKER_PHP_EXEC) composer install $(INSTALL_FLAGS)
 	@touch -c composer.json composer.lock vendor/composer/installed.json
 
 .PHONY: phpunit
-phpunit:
-	@php -d assert.exception=1 -d zend.assertions=1 vendor/bin/phpunit $(PHPUNIT_FLAGS)
+phpunit: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) php -d assert.exception=1 -d zend.assertions=1 vendor/bin/phpunit $(PHPUNIT_FLAGS)
 
 .PHONY: infection
-infection:
-	@php -d assert.exception=1 -d zend.assertions=1 -d xdebug.mode=coverage vendor/bin/phpunit --coverage-xml=build/coverage-xml --log-junit=build/junit.xml $(PHPUNIT_FLAGS)
-	@php -d assert.exception=1 -d zend.assertions=1 vendor/bin/infection -v -s --threads=$(PARALLELISM) --coverage=build --skip-initial-tests $(INFECTION_FLAGS)
+infection: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) php -d assert.exception=1 -d zend.assertions=1 -d xdebug.mode=coverage vendor/bin/phpunit --coverage-xml=build/coverage-xml --log-junit=build/junit.xml $(PHPUNIT_FLAGS)
+	@$(DOCKER_PHP_EXEC) php -d assert.exception=1 -d zend.assertions=1 vendor/bin/infection -v -s --threads=$(PARALLELISM) --coverage=build --skip-initial-tests $(INFECTION_FLAGS)
 
 .PHONY: phpcbf
-phpcbf:
-	@vendor/bin/phpcbf --parallel=$(PARALLELISM) || true
+phpcbf: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) vendor/bin/phpcbf --parallel=$(PARALLELISM) || true
 
 .PHONY: phpcs
-phpcs:
-	@vendor/bin/phpcs --parallel=$(PARALLELISM) $(PHPCS_FLAGS)
+phpcs: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) vendor/bin/phpcs --parallel=$(PARALLELISM) $(PHPCS_FLAGS)
 
 .PHONY: phpstan
-phpstan:
-	@php -d xdebug.mode=off vendor/bin/phpstan analyse --memory-limit=-1
+phpstan: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) php -d xdebug.mode=off vendor/bin/phpstan analyse --memory-limit=-1
 
 ifndef PHPBENCH_REPORT
 override PHPBENCH_REPORT = aggregate
 endif
 
 .PHONY: phpbench
-phpbench:
-	@vendor/bin/phpbench run -l dots --retry-threshold=5 --report=$(PHPBENCH_REPORT) $(PHPBENCH_FLAGS)
+phpbench: vendor/composer/installed.json
+	@$(DOCKER_PHP_EXEC) vendor/bin/phpbench run -l dots --retry-threshold=5 --report=$(PHPBENCH_REPORT) $(PHPBENCH_FLAGS)

docker-compose.yml

@@ -0,0 +1,11 @@
+services:
+  php:
+    build:
+      context: .
+      args:
+        USER_ID: ${USER_ID}
+        GROUP_ID: ${GROUP_ID}
+    # Same paths mean stack traces from docker are usable in host too
+    volumes:
+      - .:${PWD}
+    working_dir: ${PWD}