From 8c6c14c6d3a26ddfbb7f01773a1cf03c353d4b79 Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bjboreham@gmail.com>
Date: Tue, 14 Apr 2015 14:13:47 +0100
Subject: [PATCH] Accumulate any errors from `go test` commands so we can
 report overall status

---
 Makefile | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index e757a207..323d534e 100644
--- a/Makefile
+++ b/Makefile
@@ -69,14 +69,18 @@ $(DOCKER_DISTRIB):
 
 tests:
 	echo "mode: count" > profile.cov
+	fail=0 ;                                                                              \
 	for dir in $$(find . -type f -name '*_test.go' | xargs -n1 dirname | sort -u); do     \
-	    output=$$(mktemp cover.XXXXXXXXXX);                                               \
-	    go test -tags netgo -covermode=count -coverprofile=$$output $$dir;                \
+	    output=$$(mktemp cover.XXXXXXXXXX) ;                                              \
+	    if ! go test -tags netgo -covermode=count -coverprofile=$$output $$dir ; then     \
+            fail=1 ;                                                                          \
+        fi ;                                                                                  \
 	    if [ -f $$output ]; then                                                          \
 	        tail -n +2 <$$output >>profile.cov;                                           \
 	        rm $$output;                                                                  \
 	    fi                                                                                \
-	done
+	done ;                                                                                \
+	exit $$fail
 	go tool cover -html=profile.cov -o=coverage.html
 
 $(PUBLISH): publish_%: