How to copy attachments on subtask up to the parent ticket

Question

Is it possible to copy attachments that are posted to the subtask ticket up to the parent ticket without erasing any of the attachments on the parent ticket?

Ivan Tovbin · Answer

I see. It seems a scripted post function is the solution here. Here's the code. Use it for a scripted post function on a transition which is used to move a ticket to 'Done' status:

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.AttachmentManager
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.issue.attachment.Attachment
import com.atlassian.jira.user.ApplicationUser

ApplicationUser currentUser = ComponentAccessor.getJiraAuthenticationContext().getLoggedInUser()
Issue parentIssue = issue.getParentObject()
AttachmentManager attachmentManager = ComponentAccessor.getAttachmentManager()
Collection<Attachment> attachments = issue.getAttachments()

attachments.each{
    attachmentManager.copyAttachment(it, currentUser, parentIssue.getKey())
}

Lauren Robinette · Answer

@Ivan Tovbin When the ticket is moved to Done

Ivan Tovbin · Answer

Sure thing. When exactly do you want this to trigger?