check-contributors.yml

name: Contributor Updater

on:
  workflow_dispatch:
  push:
    paths: [ content/asciidoc-pages/** ]
    branches: [ main ]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check_contributors:
    if: github.repository_owner == 'adoptium'
    name: Check Contributors
    runs-on: ubuntu-latest
    steps:

    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
      with:
        persist-credentials: false
        fetch-depth: 0

    - name: Get changed files
      if: github.event_name == 'push'
      id: files
      run: |
        changed_files=$(git diff --name-only "${{ github.event.before }}" "${{ github.sha }}")
        echo "all=$changed_files" >> "$GITHUB_OUTPUT"
      
    - run: pip3 install bs4

    - run: |
        # This function takes one argument, which is the path to a file.
        # The function first checks if the file path matches a regular expression pattern for AsciiDoc files located in the "content/asciidoc" directory
        # If the file path matches the pattern, the function extracts the current authors from the file using grep and sed. It then uses a Python script to determine the contributors to the file and loops through each contributor.
        # For each contributor, the function checks if they are already listed as an author in the file. If not, it adds the contributor to the list of authors and updates the file using sed.
        update_authors() {
          local file=$1
          if [[ ${file} =~ ^content/asciidoc.*.adoc ]]; then
            # If page is in a _partials directory, skip it
            if [[ ${file} =~ ^content/asciidoc.*_partials.*.adoc ]]; then
              return
            fi
            current_authors=$(grep ':page-authors:' "${file}" | sed -n -e 's/^.*page-authors: //p')
            contibutors=$(python3 .github/workflows/github-file-contributors.py --file "${file}")
            for contibutor in ${contibutors}; do
              if ! echo "${current_authors}" | grep "${contibutor}"; then
                echo "adding ${contibutor}"
                current_authors_replacement="${current_authors}, ${contibutor}"
                echo "${current_authors_replacement}"
                sed -i "s/${current_authors}/${current_authors_replacement}/g" "${file}"
              fi
            done
          fi
        }

        # if workflow_dispatch, then we need to get all asciidoc files
        if [[ -z "${{ steps.files.outputs.all }}" ]]; then
          find content/asciidoc-pages -name '*.adoc' -type f | while read -r changed_file; do
            update_authors "${changed_file}"
          done
        else
          # shellcheck disable=2043
          for changed_file in ${{ steps.files.outputs.all }}; do
            update_authors "${changed_file}"
          done
        fi

    - uses: gr2m/create-or-update-pull-request-action@86ec1766034c8173518f61d2075cc2a173fb8c97 # v1.9.4
      env:
        GITHUB_TOKEN: ${{ secrets.ADOPTIUM_BOT_TOKEN }}
      with:
        title: "Update Asciidoc Contributors"
        body: "This is an automatically generated pull request, it will be automatically merged if all the CI tests pass."
        path: "content/asciidoc-pages/"
        branch: "contributor_bot"
        commit-message: "contributors: update asciidoc contributors"
        labels: automerge
        author: "adoptium-bot <adoptium-bot@eclipse.org>"