#!/bin/sh
set -ex
t=$(mktemp -d)
trap 'rm -r $t' EXIT
cd $t
cat >ex.go <<.
package main

import (
	_ "cloud.google.com/go/storage"
)

func main() {
	println("example")
}
.
go mod init example
go get github.com/google/martian@master # broken
go test all