delete_remote_issue_links.groovy

import com.atlassian.jira.component.ComponentAccessor
import com.atlassian.jira.issue.IssueManager
import com.atlassian.jira.issue.Issue
import com.atlassian.jira.user.ApplicationUser
import com.atlassian.jira.user.ApplicationUsers
import com.atlassian.crowd.embedded.api.User
import com.atlassian.jira.issue.link.RemoteIssueLinkManager

def deleteRemoteIssueLinks(Issue issue) {
	def applicationUser = ComponentAccessor.jiraAuthenticationContext.user
	RemoteIssueLinkManager remoteIssueLinkManager = ComponentAccessor.getComponent(RemoteIssueLinkManager)
	def remoteIssueLinks = remoteIssueLinkManager.getRemoteIssueLinksForIssue(issue)
	remoteIssueLinks.each { remoteIssueLink ->
		remoteIssueLinkManager.removeRemoteIssueLink(remoteIssueLink.id, applicationUser)
	}
	remoteIssueLinks.size()
}

String issueKey = 'GRAILS-166'
IssueManager issueManager = ComponentAccessor.issueManager
def issue = issueManager.getIssueObject(issueKey)
if(issue) {
	def deleteCount = deleteRemoteIssueLinks(issue)
	return "deleted ${deleteCount} links."
} else {
	return "issue not found."
}