get_venv_dir:=$(shell mktemp -d 2>/dev/null || mktemp -d -t 'tmpvenv')
venv_dir := $(get_venv_dir)/pipenv_venv
venv_file := $(CURDIR)/.test_venv
get_venv_path =$(file < $(venv_file))
# This is how we will build tag-specific wheels, e.g. py36 or py37
PY_VERSIONS:= 2.7 3.5 3.6 3.7 3.8
# This is how we will build generic wheels, e.g. py2 or py3
INSTALL_TARGETS := $(addprefix install-py,$(PY_VERSIONS))
CLEAN_TARGETS := $(addprefix clean-py,$(PY_VERSIONS))
DATE_STRING := $(shell date +%Y.%m.%d)
THIS_MONTH_DATE := $(shell date +%Y.%m.01)
NEXT_MONTH_DATE := $(shell date -d "+1 month" +%Y.%m.01)


format:
	black pipenv/*.py
test:
	docker-compose up

.PHONY: install
install:
	pip install -e .

install.stamp: install
	@touch install.stamp

.PHONY: install-py%
install-py%: install.stamp
	@echo building for $(addprefix python, $(subst install-py,,$@))
	PIPENV_PYTHON=$(subst install-py,,$@) pipenv install --dev

install-virtualenvs.stamp: ${INSTALL_TARGETS}
	@touch install-virtualenvs.stamp

.PHONY: ramdisk
ramdisk:
	sudo mkdir -p /mnt/ramdisk
	sudo mount -t tmpfs -o size=2g tmpfs /mnt/ramdisk
	sudo chown -R ${USER}:${USER} /mnt/ramdisk

.PHONY: ramdisk-virtualenv
ramdisk-virtualenv: ramdisk
	[ ! -e "/mnt/ramdisk/.venv/bin/activate" ] && \
		python -m virtualenv /mnt/ramdisk/.venv
	@echo "/mnt/ramdisk/.venv" >> $(venv_file)

.PHONY: virtualenv
virtualenv:
	[ ! -e $(venv_dir) ] && rm -rf $(venv_file) && python -m virtualenv $(venv_dir)
	@echo $(venv_dir) >> $(venv_file)

.PHONY: test-install
test-install: virtualenv
	. $(get_venv_path)/bin/activate && \
		python -m pip install --upgrade pip virtualenv -e .[tests,dev] && \
		pipenv install --dev

.PHONY: submodules
submodules:
	git submodule sync
	git submodule update --init --recursive

.PHONY: tests
tests: virtualenv submodules test-install
	. $(get_venv_path)/bin/activate && \
		pipenv run pytest -ra -vvv --full-trace --tb=long

.PHONY: test-specific
test-specific: submodules virtualenv test-install
	. $(get_venv_path)/bin/activate && pipenv run pytest -ra -k '$(tests)'

.PHONY: retest
retest: virtualenv submodules test-install
	. $(get_venv_path)/bin/activate && pipenv run pytest -ra -k 'test_check_unused or test_install_editable_git_tag or test_get_vcs_refs or test_skip_requirements_when_pipfile or test_editable_vcs_install or test_basic_vcs_install or test_git_vcs_install or test_ssh_vcs_install or test_vcs_can_use_markers' -vvv --full-trace --tb=long

.PHONY: build
build: install-virtualenvs.stamp install.stamp
	PIPENV_PYTHON=3.7 pipenv run python setup.py sdist bdist_wheel

.PHONY: update-version
update-version:
	@sed -i "s/^__version__ = .\+$\/__version__ = \"$(DATE_STRING)\"/g" ./pipenv/__version__.py

.PHONY: update-prerelease-version
update-prerelease-version:
	@sed -i "s/^__version__ = .\+$\/__version__ = \"$(THIS_MONTH_DATE).a1\"/g" ./pipenv/__version__.py

.PHONY: pre-bump
pre-bump:
	@sed -i "s/^__version__ = .\+$\/__version__ = \"$(NEXT_MONTH_DATE).dev0\"/g" ./pipenv/__version__.py

.PHONY: lint
lint:
	flake8 .

.PHONY: check
check: build.stamp
	pipenv run twine check dist/* && pipenv run check-manifest .

.PHONY: upload-test
upload-test: build
	twine upload --repository=testpypi dist/*

.PHONY: clean-py%
clean-py%:
	@echo "cleaning environment for $@..."
	PIPENV_PYTHON="$(subst clean-py,,$@)" pipenv --rm

.PHONY: cleanbuild
cleanbuild:
	@echo "cleaning up existing builds..."
	@rm -rf build/ dist/
	@rm -rf build.stamp

.PHONY: clean
clean:
	rm -rf install.stamp build.stamp install-virtualenvs.stamp