When I try to build using debian pbuilder plugin I get this issue:
```
This does not appear to be a debian package. Possible reasons include: no debian/source/format file; package is neither native or quilt
```

I checkout the source code to subdir called source but it's still can't build:

```
dir('source'){
git branch: '$GIT_BRANCH',
credentialsId: 'bitbucket_user',
url: "${env.GIT_REPO_URL}"
}
debianPbuilder additionalBuildResults: '', architecture: 'all', distribution: 'all', keyring: '', mirrorSite: 'mymiror.com'
```

I think the plugin is not looking at the right path for format file cause the file is exists in:

workspace

                   |

                    my_pipeline   

                                        |

                                         source 

                                                   |

                                                     debian

                                                               |

                                                               source

                                                                          |

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