+changelog:
+ @ head -1 ChangeLog | grep -q "to v$(PREVIOUS_VERSION)"
+ @ mv ChangeLog ChangeLog.tmp
+ @ echo "Summary of changes from v$(PREVIOUS_VERSION) to v$(VERSION)" >> ChangeLog
+ @ echo "============================================" >> ChangeLog
+ @ echo >> ChangeLog
+ @ git log --pretty=short $(PREVIOUS_VERSION)..HEAD | git shortlog >> ChangeLog
+ @ echo >> ChangeLog
+ @ cat ChangeLog
+ @ cat ChangeLog.tmp >> ChangeLog
+ @ rm ChangeLog.tmp