Packer provisioner overrides

gistfile1.txt

"provisioners": [
    {
      "type": "shell",
      "override": {
        "virtualbox": {
          "execute_command": "echo 'vagrant'|sudo -S sh '{{.Path}}'",
          "scripts": [
            "scripts/update.sh",
            "scripts/vagrant.sh",
            "scripts/sshd.sh",
            "scripts/networking.sh",
            "scripts/sudoers.sh",
            "scripts/cleanup.sh",
            "scripts/minimize.sh"
          ]
        },
        "vmware": {
          "execute_command": "echo 'vagrant'|sudo -S sh '{{.Path}}'",
          "scripts": [
            "scripts/update.sh",
            "scripts/vagrant.sh",
            "scripts/sshd.sh",
            "scripts/networking.sh",
            "scripts/sudoers.sh",
            "scripts/cleanup.sh",
            "scripts/vmware_tools.sh"
          ]
        }
      }
    }
  ],