Use GNU Make

Making things easier to run on CI and locally.

.gitattributes

@@ -5,4 +5,5 @@
 /.gitignore     export-ignore
 /.*.yml         export-ignore
 /*.dist         export-ignore
+/Makefile       export-ignore
 /README.md      export-ignore

.travis.yml

@@ -13,10 +13,10 @@ cache:
 before_install:
   - mv ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini{,.disabled} || echo "xdebug not available"
 
-install: travis_retry composer install
+install: travis_retry make vendor
 
 script:
-  - ./vendor/bin/phpunit
+  - make unit-test
 
 jobs:
   allow_failures:
@@ -29,25 +29,25 @@ jobs:
         - mv ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini{.disabled,}
         - if [[ ! $(php -m | grep -si xdebug) ]]; then echo "xdebug required for coverage"; exit 1; fi
       script:
-        - ./vendor/bin/phpunit --coverage-clover ./clover.xml
+        - make unit-test EXTRA_FLAGS="--coverage-clover ./clover.xml"
       after_script:
         - wget https://scrutinizer-ci.com/ocular.phar
         - php ocular.phar code-coverage:upload --format=php-clover ./clover.xml
 
     - stage: Code Quality
       env: CODE_STANDARD=1
       script:
-        - ./vendor/bin/phpcs
+        - make coding-standard
 
     - stage: Code Quality
       env: STATIC_ANALYSIS=1
       script:
-        - ./vendor/bin/phpstan analyse
+        - make static-analysis
 
     - stage: Code Quality
       env: MUTATION_TESTS=1
       before_script:
         - mv ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini{.disabled,}
         - if [[ ! $(php -m | grep -si xdebug) ]]; then echo "xdebug required for mutation tests"; exit 1; fi
       script:
-        - ./vendor/bin/infection --threads=$(nproc) --min-msi=100 --min-covered-msi=100
+        - make mutation-test

Makefile

@@ -0,0 +1,33 @@
+MIN_MSI=100
+MIN_COVERED_MSI=100
+
+ifeq ("${CI}", "true")
+	PARALLELISM=4
+else
+	PARALLELISM=$(shell nproc)
+endif
+
+.PHONY: valid test coding-standard-fix coding-standard static-analysis unit-test mutation-test
+
+valid: coding-standard-fix coding-standard static-analysis test
+
+test: unit-test mutation-test
+
+vendor: composer.json
+	composer install $(EXTRA_FLAGS)
+	@touch -c vendor
+
+coding-standard: vendor
+	vendor/bin/phpcs --parallel=$(PARALLELISM)
+
+coding-standard-fix: vendor
+	vendor/bin/phpcbf --parallel=$(PARALLELISM) || true
+
+static-analysis: vendor
+	vendor/bin/phpstan analyse $(EXTRA_FLAGS)
+
+unit-test: vendor
+	vendor/bin/phpunit --testsuite unit --stop-on-error --stop-on-failure $(EXTRA_FLAGS)
+
+mutation-test: vendor
+	vendor/bin/infection --no-progress -j=$(PARALLELISM) -s --min-msi=$(MIN_MSI) --min-covered-msi=$(MIN_COVERED_MSI) $(EXTRA_FLAGS)