Change set

- do: changeset # validate against the files in the PR
  no_empty:
     enabled: false # Cannot be empty when true.
     message: 'Custom message...'
  must_include:
     regex: 'yarn.lock'
     message: 'Custom message...'
  must_exclude:
     regex: 'package.json'
     message: 'Custom message...'
  begins_with:
     match: 'A String' # or array of strings
     message: 'Some message...'
  ends_with:
     match: 'A String' # or array of strings
     message: 'Come message...'
  min:
      count: 2 # min number of files in a PR
      message: 'Custom message...'
  max:
     count: 2 # max number of files in a PR
     message: 'Custom message...'
  files: # status of files to be included in changeset. If no 'files' option is provided, all files are included.
     added: true # default: false. If true, added files are included.
     modified: false # default: false. If true, modified files are included.
     removed: true # default: false. If true, deleted files are included.
  # note that setting file status sub-options (added, modified, removed) to false is optional.
  # all of the message sub-option is optional

you can use and and or options to create more complex validations

- do: changeset # validate against the files in the PR
  and:
    - must_include:
        regex: 'doc/.*'
        message: 'Custom message...'
    - must_include:
        regex: 'changelog.md'
        message: 'Custom message...'
  or:
    - must_include:
        regex: 'package-lock.json'
        message: 'Custom message...'
    - must_include:
        regex: 'yarn.lock'
        message: 'Custom message...'

you can also nest and and or options

- do: changeset # validate against the files in the PR
  and:
    - or:
      - must_include:
          regex: 'package-lock.json'
          message: 'Custom message...'
      - must_include:
          regex: 'package.json'
          message: 'Custom message...'
    - must_include:
        regex: 'yarn.lock'
        message: 'Custom message...'

Supported Events:

'pull_request.*', 'pull_request_review.*'