Run callback on list of filenames

Github action for running a callback after pulling the list of filenames belonging to either a Git REF (SHA1, tag or branch) or a pull request number.

Usage

- uses: doximity/[email protected]
  with:
    # Repository name with owner. For example, doximity/rake-ui
    # Default: ${{ github.repository }}
    repository: ''

    # If using a PAT make sure to give it the "repo" scope.
    # If using GITHUB_TOKEN make sure it's given the following permissions:
    # contents: read
    # pull-requests: read
    #
    # See https://docs.github.com/en/actions/security-guides/automatic-token-authentication#permissions-for-the-github_token
    #
    # Default: ${{ github.token }}
    token: ''

    # The pull request number to pull the list of filenames from.
    # When using this option you must not specify `ref`.
    # NOTE: includes a maximum of 100 files.
    pr_number: ''

    # The branch, tag or SHA1 to pull the list of filenames from.
    # When using this option you must not specify `pr_number`.
    # NOTE: includes a maximum of 100 files.
    ref: ''

    # The function that will be passed a list of filenames and executed afterwards.
    #
    # It receives only one parameter, filenamesList, an array of filename strings
    # which you can reference from your function's body.
    #
    # The return of your function is set as the `callback_return` output of this
    # action, allowing you to reference that return value from other steps in your workflow.
    #
    # SECURITY WARNING: make sure you only reference trusted inputs from within the callback
    # below. Because the code is `eval`'d this can pose a code injection risk if misused.
    # Read more:
    # https://docs.github.com/en/actions/security-guides/security-hardening-for-github-actions#understanding-the-risk-of-script-injections
    #
    # Default: return filenamesList
    callback: ''

Scenarios

• List all filenames for a pull request
• List all filenames for master HEAD
• Use action's output from another step in a workflow

List all filenames for a pull request

- uses: doximity/[email protected]
  with:
    repository: owner/repo
    pr_number: 250

List all filenames for master HEAD

- uses: doximity/[email protected]
  with:
    repository: owner/repo
    ref: master

Use action's output from another step in a workflow

- uses: doximity/[email protected]
  id: check-for-graphql-changes
  with:
    repository: owner/repo
    pr_number: 200
    callback: |
      return filenamesList.some((elem) => { return elem.match(/graphql/) })
- name: Run this step only if GraphQL changes are detected
  if: ${{ steps.check-for-graphql-changes.outputs.callback_return == 'true' }}
  run: |
    echo "This PR includes GraphQL changes"

Contributing

1. Fork it and git clone it into your environment
2. Create your feature branch (git checkout -b my-new-feature)
3. Run npm install to install dependencies
4. Make your changes
5. Ensure npm run test and npm run lint look good
6. Run npm run dist and commit the artifact
7. Create a Pull Request
8. Sign the CLA if you haven't yet. See CONTRIBUTING

Test automation

The behavior for this GH action is verified by two layers of testing:

• Unit: npm run test can be run locally and is also run on every push to a branch. Unit test coverage is a bit limited at the moment so contributions to improve it are more than welcome!
• E2E: The actual action runs on every push to a branch which works as an E2E smoke test. See this workflow file for details.

License

The gem is available as open source under the terms of the Apache 2.0 License.