Merge pull request #139 from coverallsapp/chore/fix-makefile-new-version

Modify Makefile to fix issues with sed handling inputs.

Makefile

@@ -23,10 +23,13 @@ release: release_linux
 
 .ONESHELL:
 new_version:
-	@read -p "New version: " version
-	@read -p "Brief description: " description
-	sed -i "s/version:.*/version: $$version/" shard.yml
-	sed -i "s/VERSION = ".*"/VERSION = \"$$version\"/" src/coverage_reporter.cr
-	git add shard.yml src/coverage_reporter.cr
-	git commit --message "$$version: $$description"
-	git tag --annotate --message "$$version: $$description" v$$version
+	@read -p "New version: " version; \
+	read -p "Brief description: " description; \
+	echo "Version: $$version"; \
+	echo "Description: $$description"; \
+	sed -i '' "s/version:.*/version: $${version}/" shard.yml; \
+	sed -i '' "s/VERSION = .*/VERSION = \"$$version\"/" src/coverage_reporter.cr; \
+	git add shard.yml src/coverage_reporter.cr; \
+	git commit --message "$${version}: $${description}"; \
+	git tag --annotate v$${version} --message "$${version}: $${description}"; \
+	git push origin master --follow-tags