| .PHONY: all | |
| all: clean | |
| (mvn -B -fn compile > Out.txt 2>&1) \ | |
| || (sleep 5m && mvn -B -fn compile > Out.txt 2>&1) | |
| grep -qF "MavenExample.java:[29,29] error: [assignment.type.incompatible] incompatible types in assignment." Out.txt || (cat Out.txt && false) | |
| clean: | |
| mvn -q clean | |
| rm -f Out.txt |