.PHONY: fork
FILES = \
	module files Makefile Dockerfile docker-compose.yml setup.py MANIFEST.in variables .gitignore .pylintrc
DEST ?= $(dest)
fork:
ifeq ($(DEST),)
	@echo 'MISSING "dest=" PARAMETER'
	@echo 'RUN: make fork dest=$${DIRECTORY}'
else
	@# copy when either directory does not exist, or is empty
	@# skip if a non-empty directory exist
	@# Note this excludes README.md and LICENSE -- you own your own project ;)
	@(([ ! -d "$(DEST)" ] || find "$(DEST)" -prune -type d -empty |grep -q .) \
	  && mkdir -p "$(DEST)" \
          && cp -R $(FILES) "$(DEST)/" \
	  && touch $(DEST)/README.md \
      || echo "SKIPPING FORK, WON'T OVERWRITE EXISTING DIRECTORY")
endif