From 540bf1d550350f106604e947cf4bde7920c5a106 Mon Sep 17 00:00:00 2001
From: John David Pressman <jd@jdpressman.com>
Date: Sat, 8 Jun 2019 21:20:33 -0700
Subject: [PATCH] Use hopefully valid syntax with test if conditional

---
 makefile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/makefile b/makefile
index f7226602a..7b3bc00e1 100644
--- a/makefile
+++ b/makefile
@@ -23,6 +23,7 @@ build: build-deps
 .ONESHELL:
 test: build
 	eval $(opam env)
-	if [ ! dune build @ligo-test ]
-	then echo "If you get a error message that dune can't be found/isn't in your path, run 'eval $(opam env)' and this command will work.";
+	run_outcome=`dune build @ligo-test`
+	if [ ! -n $run_outcome ]
+	then echo "Run 'eval $(opam env)' and this command will work.";
 	fi