pr_management.yml

name: Auto Label PRs, then add assignees and reviewers automatically.

run-name: PR management stuff

on:
  pull_request_target:
    types: [opened, reopened, ready_for_review, edited, synchronize, labeled]

permissions:
  pull-requests: write

jobs:
  add_labels_reviewers_assignees:
    name: Add labels, reviewers & assignees
    runs-on: ubuntu-latest
    steps:
      - name: Auto-assign PR author as assignee
        if: github.event.action == 'opened' || github.event.action == 'reopened'
        id: author-assignee
        uses: itsOliverBott/assign-pr-author-as-assignee@release
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Label PR based on content
        if: github.event.action != 'labeled'
        id: label-pr
        uses: fuxingloh/multi-labeler@v4.0.0
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          config-path: .github/labeler.yml

      - name: Label & comment if PR has conflict
        uses: eps1lon/actions-label-merge-conflict@v3.0.2
        with:
          dirtyLabel: "Merge conflict identified"
          repoToken: "${{ secrets.GITHUB_TOKEN }}"
          commentOnDirty: "This pull request has conflicts with the base branch, which is ${{ github.base_ref }}. Please resolve them."
          commentOnClean: "Resolved conflicts!"

      - name: Assign/unassign reviewers
        if: github.event.action == 'ready_for_review'
        id: assign-reviewers
        uses: totallymoney/assign-reviewers-by-labels-action@v1.2.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          unassign-if-label-removed: true

      - name: Comment on PRs
        uses: dannyskoog/pull-request-comment@v1
        if: steps.assign-reviewers.outputs.assigned_status == 'success' && steps.assign-reviewers.outputs.unassigned_status == 'success'
        with:
          message: I've labeled your PR, assigned you and requested/un-requested reviews from the relevant people automatically. If you think I did it wrong, please comment below so one of our maintainers can double-check. Thanks!

      - name: Assigned/unassigned reviewers success debug log
        if: steps.assign-reviewers.outputs.assigned_status == 'success' && steps.assign-reviewers.outputs.unassigned_status == 'success'
        id: success-log
        run: |
          echo "Successfully assigned/unassigned reviewers! Printing more info below..."
          echo "If values return null, that means I didn't do anything.\n"
          echo "PR I assigned reviewers to: ${{ steps.assign-reviewers.outputs.assigned_url }}"
          echo "Commit SHA: ${{ github.sha }}"
          echo "I assigned: ${{ steps.assign-reviewers.outputs.assigned_reviewers }}"
          echo "Additional info: ${{ steps.assign-reviewers.outputs.assigned_message }} \n"

          echo "PR I unassigned reviewers to: ${{ steps.assign-reviewers.outputs.unassigned_url }}"
          echo "Commit SHA: ${{ github.sha }}"
          echo "I unassigned: ${{ steps.assign-reviewers.outputs.unassigned_reviewers }}"
          echo "Additional info: ${{ steps.assign-reviewers.outputs.unassigned_message }}"

      - name: Assigned/unassigned reviewers failure(?) debug log
        if: steps.assign-reviewers.outputs.assigned_status == 'info' && steps.assign-reviewers.outputs.unassigned_status == 'info'
        id: info-debug
        run: |
          echo "Uh-oh! I (probably) ran into an issue when assigning/unassigning reviewers! Here's some info: \n"

          echo "PR I attempted to assign reviewers to: ${{ steps.assign-reviewers.outputs.assigned_url }}"
          echo "Commit SHA: ${{ github.sha }}"
          echo "Info: ${{ steps.assign-reviewers.outputs.assigned_message }} \n"

          echo "PR I unassigned reviewers to: ${{ steps.assign-reviewers.outputs.unassigned_url }}"
          echo "Commit SHA: ${{ github.sha }}"
          echo "Info: ${{ steps.assign-reviewers.outputs.unassigned_message }}"

      - name: Debug log if literally anything else fails
        if: steps.author-assignee.outcome == 'failure' || steps.label-pr.outcome == 'failure' || steps.assign-reviewers.outcome == 'failure'
        id: log-on-fail
        run: |
          echo "Failed to execute workflow correctly! Details are as follows:\n"

          echo "Run attempt #${{ github.run_attempt }}"
          echo "Triggered by ${{ github.triggering_actor }}"
          echo "Merging ${{ github.base_ref }} <- ${{ github.head_ref }}"
          echo "Triggering event: ${{ github.event }}\n"

          echo "Check previous step logs, as well as the debug logs if necessary, for more info."

      - name: Warn if this workflow fails
        if: steps.author-assignee.outcome == 'failure' || steps.label-pr.outcome == 'failure' || steps.assign-reviewers.outcome == 'failure'
        id: warn-on-fail
        uses: dannyskoog/pull-request-comment@v1
        with:
          message: Something went wrong when managing this PR! Maintainers, please check the Actions log for more details and potential fixes.