Add new cover bundlescript for giving a nice report across all the coverprofiles generated by the test scripts

Upstream-commit: 59dc2876a7d2ac0e231d7d97511e572a1d739136
Component: engine

components/engine/hack/make/cover

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+DEST="$1"
+
+bundle_cover() {
+	coverprofiles=( "$DEST/../"*"/coverprofiles/"* )
+	for p in "${coverprofiles[@]}"; do
+		echo
+		(
+			set -x
+			go tool cover -func="$p"
+		)
+	done
+}
+
+if [ "$HAVE_GO_TEST_COVER" ]; then
+	bundle_cover 2>&1 | tee "$DEST/report.log"
+else
+	echo >&2 'warning: the current version of go does not support -cover'
+	echo >&2 '  skipping test coverage report'
+fi