[electrum]

Above script with correct formatting:

  qemu-img create -f qcow2 f.img 1G
  mkfs.ext4 f.img
  modprobe nbd || true
  qemu-nbd -c /dev/nbd0 f.img
  mount /dev/nbd0 k
  killall -KILL qemu-nbd
  sleep 1
  ls k