From 75b703236355de1ac2837828fdae9b6fdd198c28 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Tue, 3 Sep 2024 15:14:08 -0400
Subject: [PATCH] Show error output on test failure

---
 Makefile | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index b636c8b..e9b901c 100644
--- a/Makefile
+++ b/Makefile
@@ -47,7 +47,12 @@ tags:
 	$(CC) $(CFLAGS) -c $< -o $@
 
 %.tm.testresult: %.tm tomo
-	VERBOSE=0 COLOR=1 CC=gcc O=1 ./tomo $< 2>$@ >$@ && cat $@
+	@printf '\x1b[33;1;4m%s\x1b[m\n' $<
+	@set -o pipefail; \
+	if ! VERBOSE=0 COLOR=1 CC=gcc O=1 ./tomo $< 2>&1 | tee $@; then \
+		rm -f $@; \
+		false; \
+	fi
 
 test: $(TESTS)
 	@echo -e '\x1b[32;7m ALL TESTS PASSED! \x1b[m'