Makefile: Target "unit_test_goveralls", run by Travis, outputs top 10 packages with

worst coverage at the end.

Makefile

@@ -59,11 +59,15 @@ unit_test_race:
 # Run coverage and upload to coveralls.io.
 # Requires the secret COVERALLS_TOKEN env variable to be set.
 unit_test_goveralls:
-	go list -f '{{if len .TestGoFiles}}godep go test $(VT_GO_PARALLEL) -coverprofile={{.Dir}}/.coverprofile {{.ImportPath}}{{end}}' ./go/... | xargs -i sh -c {}
+	go list -f '{{if len .TestGoFiles}}godep go test $(VT_GO_PARALLEL) -coverprofile={{.Dir}}/.coverprofile {{.ImportPath}}{{end}}' ./go/... | xargs -i sh -c {} | tee unit_test_goveralls.txt
 	gover ./go/
 	# -shallow ensures that goveralls does not return with a failure \
 	# if Coveralls returns a 500 http error or higher (e.g. when the site is in read-only mode). \
 	goveralls -shallow -coverprofile=gover.coverprofile -service=travis-ci
+	echo
+	echo "Top 10 of Go packages with worst coverage:"
+	sort -n -k 5 unit_test_goveralls.txt | head -n10
+	[ -f unit_test_goveralls.txt ] && rm unit_test_goveralls.txt
 
 ENABLE_MEMCACHED := $(shell test -x /usr/bin/memcached && echo "-m")
 queryservice_test_files = \