Git Tagging in Makefile

Makefile

tag:
	@if [ $$(git rev-list $$(git describe --abbrev=0 --tags)..HEAD --count) -gt 0 ]; then \
		if [ $$(git log  -n 1 --oneline $$(git describe --abbrev=0 --tags)..HEAD CHANGELOG.md | wc -l) -gt 0 ]; then \
			git tag $$(python setup.py --version) && git push --tags || echo 'Version already released, update your version!'
		else \
			echo "CHANGELOG not updated since last release!"; \
			exit 1; \
		fi; \
	else \
		echo "No commits since last release!"; \
		exit 1;\
	fi

# latest_tag=$$(git describe --abbrev=0 --tags)
# number_of_commits_since_last_tag=$$(git rev-list $${latest_tag}..HEAD --count)
# number_of_changelog_commits_since_last_tag=$$(git log  -n 1 --oneline $$(git describe --abbrev=0 --tags)..HEAD CHANGELOG.md | wc -l)
# @if [ ${number_of_commits_since_last_tag} -gt 0 ]; then \
# 	if [ ${number_of_changelog_commits_since_last_tag} -gt 0 ]; then \
# 		git tag $$(python setup.py --version) && git push --tags || echo 'Version already released, update your setup.py version!' ;  \
# 	else \
# 		echo "CHANGELOG not updated since last release!"; \
# 		exit 1; \
# 	fi; \
# else \
# 	echo "No commits since last release!"; \
# 	exit 1;\
# fi