example-comment-workflow.yml

#Example worflow for Gamer025/CodeOwnersParser that posts or edits a comment

name: Codeowner Notification

# Controls when the workflow will run
on:
  pull_request:
    branches: [ main ]

jobs:
  notify-comment:

    runs-on: ubuntu-latest

    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

      - name: CodeOwnersParser
        id: CodeOwnersParser
        uses: Gamer025/CodeOwnersParser@v1
        with:
          #We don't specify the botname so we always get all owners returned, because we are replacing the existing comment
          #If we were appending or always posting a new comment botname should be specified
          prefix: 'Notifying code owners: '

      - name: Check if already commented
        uses: peter-evans/find-comment@v1
        id: find-comment
        with:
          issue-number: ${{ github.event.number }}
          comment-author: 'github-actions[bot]'
          body-includes: 'Notifying code owners: '
      
      #If no existing comment exists create a new one if there were any owners found
      - name: Create new comment
        if: steps.find-comment.outputs.comment-id == '' && steps.CodeOwnersParser.outputs.owners != ''
        uses: peter-evans/create-or-update-comment@v1
        with:
          issue-number: ${{ github.event.number }}
          body: |
            ${{ steps.CodeOwnersParser.outputs.owners-formatted }}
      
      #If existing comment was found replace it
      - name: Update existing comment
        if: steps.find-comment.outputs.comment-id != '' && steps.CodeOwnersParser.outputs.owners != ''
        uses: peter-evans/create-or-update-comment@v1
        with:
          comment-id: ${{ steps.find-comment.outputs.comment-id }}
          edit-mode: replace
          body: |
            ${{ steps.CodeOwnersParser.outputs.owners-formatted }}