.github/workflows/labeler.yaml

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name: 'Check labels'
on:
  issue_comment:
    types: [created]
  issues:
    types: [opened]
env:
  issue_user_type: >-
    ${{
      contains(fromJSON('["COLLABORATOR","MEMBER","OWNER"]'), github.event.issue.author_association) && 'maintainer' || 'user'
    }}
  comment_user_type: >-
    ${{
      github.event_type == 'issue_comment' &&
      (
        contains(fromJSON('["COLLABORATOR","MEMBER","OWNER"]'), github.event.comment.author_association) && 'maintainer' || 'user'
      ) || null
    }}

permissions:
  issues: write

jobs:
  check-labels:
    # Prevents the job from running on pull requests
    if: ${{ ! github.event.issue.pull_request }}
    runs-on: ubuntu-latest

    steps:

     # The `waiting-for-maintainer` label needs to match with the one in `close-stale.yaml`!
     - name: Add `waiting-for-maintainer` label
       if: github.event_type == 'issues' && env.issue_user_type == 'user' || env.comment_user_type == 'user'
       env:
         ISSUE: ${{ github.event.issue.html_url }}
         GH_TOKEN: ${{ github.token }}
         ISSUE_USER_TYPE: ${{ env.issue_user_type }}
         COMMENT_USER_TYPE: ${{ env.comment_user_type }}
       run: |
         echo "Issue created by: " $ISSUE_USER_TYPE
         echo "Comment created by:" $COMMENT_USER_TYPE
         gh issue edit $ISSUE --add-label 'waiting-for-maintainer' --remove-label 'waiting-for-user'