on_error Step Hook

on_error: step

A hook step to execute after the parent step if the parent step terminates abnormally in any way other than those handled by the on_abort or on_failure. This covers scenarios as broad as configuration mistakes, temporary network issues with the workers, or running longer than a timeout.

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Sending a notification

This step can be used to notify folks if their builds errored out:

plan:
  - do:
      - get: ci
      - task: unit
        file: ci/unit.yml
    on_error:
      put: slack