on_abort Step Hook

on_abort: step

A hook step to execute if the build is aborted and the parent step was running and then terminated.

---

Cleaning up on abort

The following will perform the cleanup task only if the build is aborted while the unit task was running:

plan:
  - get: foo
  - task: unit
    file: foo/unit.yml
    on_abort:
      task: cleanup
      file: foo/cleanup.yml