From 719e524a242d6c9059837b23f1eb0941758cf054 Mon Sep 17 00:00:00 2001
From: Nuno Silva <nuno.m.ribeiro.silva@tecnico.ulisboa.pt>
Date: Sat, 25 Dec 2021 16:07:25 +0000
Subject: [PATCH] fix infinite fork loop when dep fails in 'make
 vendor-install'

---
 Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Makefile b/Makefile
index ad58c16..b21bc7c 100644
--- a/Makefile
+++ b/Makefile
@@ -81,6 +81,7 @@ vendor-update:
 
 vendor-install:
 	@echo Installing vendored packages
+	@if test $(MAKELEVEL) -gt 5; then echo Aborting to avoid infinite forks; exit 1; fi
 	@$(DEPENV) dep ensure -v -vendor-only || $(MAKE) vendor-install
 	@echo