NewContributors.yaml

# Distributed under the MIT License.
# See LICENSE.txt for details.

# Add new contributors when their first PR was merged
name: New contributors

on:
  pull_request:
    branches: [develop]
    types: [closed]

jobs:
  new_contributors:
    if: github.event.pull_request.merged == true
    name: Notify
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Check PR author is new
        id: check_pr_author
        shell: python
        run: |
          import yaml

          def all_authors():
            authors = yaml.safe_load(open('Metadata.yaml', 'r'))['Authors']
            for tier in ['Core', 'Developers', 'Contributors']:
              for author in authors[tier]['List']:
                yield author['GitHub']

          pr_author = '${{ github.event.pull_request.user.login }}'
          if pr_author not in all_authors():
            print('::set-output name=is_new::true')
      - name: Comment on PR
        if: steps.check_pr_author.outputs.is_new
        uses: peter-evans/create-or-update-comment@v1
        with:
          issue-number: ${{ github.event.pull_request.number }}
          body: >  # Newlines are line breaks, body renders as GitHub markdown
            @${{ github.event.pull_request.user.login }} looks like this is your
            first contribution to SpECTRE. Welcome! 🎉 Your contribution
            is much appreciated, and we invite you to add your name to the
            author list:


            1. Edit the [`Metadata.yaml`](https://github.com/${{ github.event.pull_request.user.login }}/spectre/blob/develop/Metadata.yaml)
            file in the repository.

            2. Add an entry to the list in `Authors.Contributors` with your
            name, affiliation, etc. Note that the list is ordered
            alphabetically by last name.

            3. Commit the change on a new branch and open a pull request with
            the change.


            Once the pull request is merged, your name will appear on the
            [SpECTRE DOI on Zenodo](https://doi.org/10.5281/zenodo.4290404)
            with the next public release.