579,580d578
<       elsif (@parent_issue != parent) && (all_dependent_issues.include?(@parent_issue) || @parent_issue.all_dependent_issues.include?(self))
<         errors.add :parent_issue_id, :invalid
860,865c858,864
<     dependencies += relations_from.map(&:issue_to)
<     dependencies += children unless leaf?
<     dependencies << parent
<     dependencies.compact!
<     dependencies -= except
<     dependencies + dependencies.map {|issue| issue.all_dependent_issues(except)}.flatten
---
>     relations_from.each do |relation|
>       if relation.issue_to && !except.include?(relation.issue_to)
>         dependencies << relation.issue_to
>         dependencies += relation.issue_to.all_dependent_issues(except)
>       end
>     end
>     dependencies