Added golang version check target

Co-authored-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
Signed-off-by: Adrian Reber <areber@redhat.com>

test/Makefile

@@ -12,6 +12,24 @@ TEST_PAYLOAD := piggie/piggie
 TEST_BINARIES := test $(TEST_PAYLOAD) phaul/phaul
 COVERAGE_BINARIES := test.coverage phaul/phaul.coverage
 
+GO_MAJOR_VER = $(shell $(GO) version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f1)
+GO_MINOR_VER = $(shell $(GO) version | cut -c 14- | cut -d' ' -f1 | cut -d'.' -f2)
+MIN_GO_MAJOR_VER = 1
+MIN_GO_MINOR_VER = 20
+GO_VALIDATION_ERR = Go version is not supported. Please update to at least $(MIN_GO_MAJOR_VER).$(MIN_GO_MINOR_VER)
+
+check-go-version:
+	@if [ $(GO_MAJOR_VER) -gt $(MIN_GO_MAJOR_VER) ]; then \
+		exit 0 ;\
+	elif [ $(GO_MAJOR_VER) -lt $(MIN_GO_MAJOR_VER) ]; then \
+		echo '$(GO_VALIDATION_ERR)';\
+		exit 1; \
+	elif [ $(GO_MINOR_VER) -lt $(MIN_GO_MINOR_VER) ] ; then \
+		echo '$(GO_VALIDATION_ERR)';\
+		exit 1; \
+	fi
+
+
 all: $(TEST_BINARIES) phaul-test
 	mkdir -p image
 	PID=$$(piggie/piggie) && { \
@@ -81,4 +99,4 @@ clean:
 	@rm -f $(TEST_BINARIES) $(COVERAGE_BINARIES) codecov
 	@rm -rf image $(COVERAGE_PATH)
 
-.PHONY: all clean coverage codecov crit-test phaul-test
+.PHONY: all clean coverage codecov crit-test phaul-test check-go-version