Jenkins: Trigger Multi-branch pipeline on upstream change

Question

I am currently testing the pipeline approach of Jenkins 2.0 to see if it works for the build environment I am using.

First about the environment itself. It currently

Answer 1

If you're using a declarative multi-branch pipeline, you can use:

triggers {
  upstream(upstreamProjects: "some_project/some_branch", threshold: hudson.model.Result.SUCCESS)
}

If you wish for branch matching to occur across dependencies you can use:

triggers {
  upstream(upstreamProjects: "some_project/" + env.BRANCH_NAME.replaceAll("/", "%2F"), threshold: hudson.model.Result.SUCCESS)
}