Do honest test coverage analysis in Jenkins

build.sh

@@ -66,16 +66,31 @@ case "${1:-default}" in
 		;;
 
 	test-cov)
+		go get github.com/axw/gocov/gocov
+		go get github.com/AlekSi/gocov-xml
+
 		echo "mode: set" > coverage.out
 		fail=0
 
+		# For every package in the repo
 		for dir in $(go list ./...) ; do
+			# run the tests
 			godep go test -coverprofile=profile.out $dir
 			if [ -f profile.out ] ; then
+				# and if there was test output, append it to coverage.out
 				grep -v "mode: set" profile.out >> coverage.out
 				rm profile.out
 			fi
 		done
+
+		gocov convert coverage.out | gocov-xml > coverage.xml
+
+		# This is usually run from within Jenkins. If it is, we need to
+		# tweak the paths in coverage.xml so cobertura finds the
+		# source.
+		if [[ "${WORKSPACE:-default}" != "default" ]] ; then
+			sed "s#$WORKSPACE##g" < coverage.xml > coverage.xml.new && mv coverage.xml.new coverage.xml
+		fi
 		;;
 
 	*)