code: func (u *Unit) IsGlobal() bool {
  	j := &Job{
  		Name: u.Name,
  		Unit: u.Unit,
  	}
  	values := j.requirements()[fleetGlobal]
  	if len(values) == 0 {
  		return false
  	}
  	// Last value found wins
  	last := values[len(values)-1]
  	return isTruthyValue(last)
  }
docs: // IsGlobal returns whether a Unit is considered a global unit