feat(coverage): run coverage with multiple jobs in parallel

Makefile

@@ -15,7 +15,7 @@ test: test-image
 test-coverage: test-image
 	rm -rf ${PWD}/coverage
 	mkdir -m 777 ${PWD}/coverage
-	$(DOCKER) run  $(RUN_OPTIONS) -v ${PWD}/coverage:/coverage -e COVERAGE_DIR=/coverage $(IMAGE) make test-coverage
+	$(DOCKER) run  $(RUN_OPTIONS) -v ${PWD}/coverage:/coverage -e COVERAGE_DIR=/coverage $(IMAGE) make BATS_ARGS="$(BATS_ARGS)" test-coverage
 
 dev-env: test-image
 	$(DOCKER) run $(RUN_OPTIONS) --tty --interactive $(IMAGE) /bin/bash

test/Makefile

@@ -10,6 +10,6 @@ test-coverage:
 		--include-path=$(CURDIR)/../ \
 		--exclude-path=$(CURDIR)/../test,$(CURDIR)/../cron-jobs/makepkg.conf,$(CURDIR)/../config \
 		$(COVERAGE_DIR) \
-		bats $(CASES)
+		bats $(BATS_ARGS) $(CASES)
 
 .PHONY: test test-coverage