pr__labeler.yml

name: Labeler
on:
  pull_request_target:
    types:
      - opened
      - edited
      - ready_for_review
      - synchronize
  issue_comment:
    types: [created, edited]
    
jobs:
  labeler:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Parse OWNERS
        id: owners
        uses: upalatucci/get-owners-action@v2.2

      - name: Add WIP label / comment trigger
        if: |
          contains(github.event.pull_request.title, 'wip') ||
          (contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/wip')) && 
          !contains(github.event.comment.body, '/wip cancel')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'WIP'

      - name: Remove WIP label
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/wip cancel')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'WIP'

      - name: Add bug label / comment trigger
        if: |
          contains(github.event.pull_request.title, 'bug') ||
          (contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/bug')) && 
          !contains(github.event.comment.body, '/bug cancel')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'bug'

      - name: Remove bug label
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/bug cancel')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'bug'

      - name: Comment on user credentials (not approver)
        if: |
          contains(github.event.comment.html_url, '/pull/') &&
          contains(github.event.comment.body, '/approve') &&
          !contains(steps.owners.outputs.approvers, github.event.comment.user.login || 'null')
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          GITHUB_TOKEN: '${{ secrets.BOT_PAT }}'
          number: ${{ github.event.issue.number }}
          header: 'cred-no-approver'
          message: |
            Hi, thank you for reviewing this pull request,
            Only users listed in the OWNERS file can approve this pull request.

      - name: Comment on user credentials (not reviewers)
        if: |
          contains(github.event.comment.html_url, '/pull/') &&
          (
            contains(github.event.comment.body, '/approve') ||
            contains(github.event.comment.body, '/lgtm') ||
            contains(github.event.comment.body, '/hold')
          ) &&
          !contains(steps.owners.outputs.reviewers, github.event.comment.user.login || 'null')
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          GITHUB_TOKEN: '${{ secrets.BOT_PAT }}'
          header: 'cred-no-reviewer'
          number: ${{ github.event.issue.number }}
          message: |
            Hi, thank you for reviewing this pull request,
            Only users listed in the OWNERS file can lgtm or hold this pull request.
      
      - name: Comment on user credentials (can't lgtm your PR)
        if: |
          contains(github.event.comment.html_url, '/pull/') &&
          contains(github.event.comment.body, '/lgtm') &&
          github.event.issue.user.login == github.event.comment.user.login
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          GITHUB_TOKEN: '${{ secrets.BOT_PAT }}'
          number: ${{ github.event.issue.number }}
          header: 'slef-lgtm'
          message: |
            Hi, are you the pull request owner?
            you can't lgtm this pull request.

      - name: Add Approved label
        if: |
          contains(github.event.comment.html_url, '/pull/') &&
          contains(github.event.comment.body, '/approve') &&
          contains(steps.owners.outputs.approvers, github.event.comment.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'approved'

      - name: Remove Approved label
        if: |
          contains(github.event.comment.html_url, '/pull/') &&
          contains(github.event.comment.body, '/approve cancel') &&
          contains(steps.owners.outputs.approvers, github.event.comment.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'approved'

      - name: Add LGTM label - reviewers
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/lgtm') &&
          !contains(github.event.comment.body, '/lgtm cancel') && 
          contains(steps.owners.outputs.reviewers, github.event.comment.user.login || 'null') &&
          github.event.issue.user.login != github.event.comment.user.login
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'lgtm'

      - name: Add LGTM label - approvers
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/lgtm') &&
          !contains(github.event.comment.body, '/lgtm cancel') && 
          contains(steps.owners.outputs.approvers, github.event.comment.user.login || 'null') &&
          github.event.issue.user.login != github.event.comment.user.login
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'lgtm, approved'
      
      - name: Just add approved if author is approver
        if: |
          github.event_name == 'pull_request_target' &&
          contains(steps.owners.outputs.approvers, github.event.pull_request.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'approved'

      - name: Remove LGTM label
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/lgtm cancel') &&
          contains(steps.owners.outputs.reviewers, github.event.comment.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'lgtm'

      - name: Remove LGTM Label if new push is made
        if: |
          github.event_name == 'pull_request_target' && github.event.action == 'synchronize' &&
          contains(github.event.pull_request.labels.*.name, 'lgtm')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'lgtm'

      - name: Add Hold label
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/hold') && 
          !contains(github.event.comment.body, '/hold cancel') &&
          contains(steps.owners.outputs.reviewers, github.event.comment.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          add-labels: 'hold'

      - name: Remove Hold label
        if: |
          contains(github.event.comment.html_url, '/pull/') && 
          contains(github.event.comment.body, '/hold cancel') &&
          contains(steps.owners.outputs.reviewers, github.event.comment.user.login || 'null')
        uses: andymckay/labeler@master
        with:
          repo-token: ${{ secrets.BOT_PAT }}
          remove-labels: 'hold'