Add prepare-commit script

.gitignore

@@ -1,5 +1,6 @@
 /.*.cache
 /.idea
+/build
 /composer.lock
 /tmp
 /vendor

bin/prepare-commit

@@ -0,0 +1,21 @@
+#!/bin/sh
+set -e
+cd $(dirname $0)/..
+
+export APP_ENV=test
+export APP_DEBUG=1
+export XDEBUG_MODE=coverage
+
+vendor/bin/php-cs-fixer fix
+vendor/bin/phpstan
+
+# Clear cache and quarantine manually to avoid locking up with corrupted container
+rm -rf tests/fixture/var/cache/test
+php -d "zend.assertions=1" vendor/bin/phpunit --testdox --coverage-text \
+    --coverage-xml=build/coverage/coverage-xml --log-junit=build/coverage/junit.xml
+
+# Run with lower MSI in diff-filter mode as it doesn't include coverage from other tests
+#vendor/bin/infection --threads=max --git-diff-filter=AM --min-msi=80 --min-covered-msi=80 \
+#    --coverage=build/coverage
+
+echo "All good, ready for commit!"