User admin has forked the repository PROJECT_1/rep_1.
The name of the new repository is: PROJECT_1/myNewFork

User admin has modified the permissions for user user.
The highest global permission for this user is now: SYS_ADMIN

User admin has just created the following task: Copy content from branch FOO-123.
Please take a look at this pull request for more information: a modification on branch basic_branching

config.username = $event.user.username
config.projectKey = $event.repository.origin.project.key
config.originName = $event.repository.origin.name
config.repoName = $event.repository.name

User $config.username has forked a repository

User $config.username has forked the repository $config.projectKey/$config.originName.
The name of the new repository is: $config.projectKey/$config.repoName.

User admin has forked the repository PROJECT_1/rep_1.
The name of the new repository is: PROJECT_1/myNewFork.

import com.atlassian.sal.api.component.ComponentLocator (1)
import com.atlassian.bitbucket.user.UserService

def userService = ComponentLocator.getComponent(UserService.class)

if (!userService.isUserInGroup(event.getUser(), "project-creators")) {
    event.cancel("Only users in the project-creators group can create projects")
}

package examples.bitbucket.handler

import com.atlassian.bitbucket.event.repository.RepositoryCreationRequestedEvent
import com.atlassian.bitbucket.repository.RepositoryService
import com.atlassian.sal.api.component.ComponentLocator

def repositoryService = ComponentLocator.getComponent(RepositoryService)
final Integer MAX_PER_TEST = 5
def event = event as RepositoryCreationRequestedEvent
def project = event.repository.project

if (project.key == "TEST") {
    if (repositoryService.countByProject(project) >= MAX_PER_TEST) {
        event.cancel("You can only create $MAX_PER_TEST repositories in test projects.")
    }
}

if (project.key in ["PTEST", "PTEST1", "PTEST2"]) {
...
}

if (event.repository.project.key == "TEST" && event.repository.slug in [ "one", "two", "three" ]) {
    ...
}

package examples.bitbucket.handler

import com.atlassian.bitbucket.event.repository.RepositoryForkedEvent
import groovy.json.JsonBuilder
import groovyx.net.http.ContentType
import groovyx.net.http.HTTPBuilder
import groovyx.net.http.Method

RepositoryForkedEvent event = event

def http = new HTTPBuilder("https://hooks.slack.com")
http.request(Method.POST, ContentType.TEXT) {
    uri.path = "/services/XXXX/YYYYY/ZZZZZ" (1)
    body = new JsonBuilder([
        channel   : "#dev",
        username  : "webhookbot",
        text      : "New fork created on repo: *${event.repository.name}* " +
            "by *${event.user.displayName}*. Come and join our chat!",
        icon_emoji: ":ghost:",
        mrkdwn    : true,
    ]).toString()
}

package examples.bitbucket.handler

import com.atlassian.applinks.api.ApplicationLinkResponseHandler
import com.atlassian.plugin.PluginAccessor
import com.atlassian.sal.api.UrlMode
import com.atlassian.sal.api.component.ComponentLocator
import com.atlassian.sal.api.net.Request
import com.atlassian.sal.api.net.Response
import com.atlassian.bitbucket.event.pull.PullRequestOpenedEvent
import com.atlassian.bitbucket.integration.jira.JiraIssueService
import com.onresolve.scriptrunner.canned.bitbucket.util.BitbucketBaseScript
import com.onresolve.scriptrunner.runner.ScriptRunnerImpl
import groovy.json.JsonBuilder
import groovy.transform.BaseScript

@BaseScript BitbucketBaseScript baseScript

PullRequestOpenedEvent event = event

def pluginAccessor = ComponentLocator.getComponent(PluginAccessor.class)
def jiraIssueService = ScriptRunnerImpl.getOsgiService(JiraIssueService)

def pullRequest = event.getPullRequest()
def repository = pullRequest.fromRef.repository
assert pullRequest

def keys = jiraIssueService.getIssuesForPullRequest(repository.id, pullRequest.id)*.key (1)

def jiraLink = getJiraAppLink()
def authenticatedRequestFactory = jiraLink.createImpersonatingAuthenticatedRequestFactory()

// work out the URL to the pull request
def prUrl = "${getBaseUrl(UrlMode.ABSOLUTE)}/projects/" +
    "${repository.project.key}/repos/${repository.slug}/" +
    "pull-requests/${pullRequest.id}/overview"

def input = new JsonBuilder([
    body: "Pull Request [${pullRequest.id}|$prUrl] has been updated:\n" +
        "\n" +
        "{{${pullRequest.title}}}"
]).toString()

keys.each { String key -> (2)
    authenticatedRequestFactory (3)
        .createRequest(Request.MethodType.POST, "rest/api/2/issue/$key/comment?expand=renderedBody")
        .addHeader("Content-Type", "application/json")
        .setEntity(input)
        .execute([
            handle: { Response response ->
                if (response.successful) {
                    log.debug "Created comment on issue: $key."
                } else {
                    log.warn "Failed to create comment: $response.responseBodyAsStream"
                }
        }] as ApplicationLinkResponseHandler<Void>
    )
}

@BaseScript BitbucketBaseScript baseScript
RepositoryForkRequestedEvent event = event

def jiraLink = getJiraAppLink()
def jiraVersions = jiraLink.createImpersonatingAuthenticatedRequestFactory()
    .createRequest(Request.MethodType.GET, "rest/api/2/project/SD/versions") (1)
    .addHeader("Content-Type", "application/json")
    .execute([
        handle: {Response response ->
            new JsonSlurper().parse(response.responseBodyAsStream)
        }
    ] as ApplicationLinkResponseHandler<String>
)

if (! (jiraVersions.any {! it.released})) { (2)
    def msg = "All JIRA versions are released for this project... " +
        "please create a new version before forking. Current versions are: ${jiraVersions*.name.join(",")}"
    event.cancel(new KeyedMessage("some.key", msg, msg))
}