label_invalid_prs.yaml

name: Label invalid database PRs

on:
  workflow_run:
    workflows: ["Check derivatives change"]
    types:
      - completed

permissions:
  contents: read
  pull-requests: write

jobs:
  labelInvalidPRs:
    runs-on: ubuntu-latest
    name: Add/Remove 'invalid' label from trigger PR
    if: github.event.workflow_run.event == 'pull_request'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Download artifact
        uses: dawidd6/action-download-artifact@v2
        with:
          name: check_derivatives_change
          workflow: check_derivatives_change.yml
          run_id: ${{github.event.workflow_run.id }}

      - name: Retrieve trigger PR issue number from artifacts
        id: changed
        run: |
          issue_number=`cat issue_number`
          echo "issue_number=${issue_number}" >> "${GITHUB_OUTPUT}"

      - name: Add 'invalid' label if trigger PR check failed
        if: github.event.workflow_run.conclusion == 'failure'
        uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.rest.issues.addLabels({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: ${{ steps.changed.outputs.issue_number }},
              labels: ['invalid']
            })
      - name: Remove 'invalid' label if trigger PR check was successful
        if: github.event.workflow_run.conclusion == 'success'
        uses: actions/github-script@v6
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            try {
              await github.rest.issues.removeLabel({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: ${{ steps.changed.outputs.issue_number }},
                name: 'invalid'
              });
            } catch (err) {
              if (err.status === 404 && err.message === "Label does not exist") {
                console.log("Label not found");
              } else {
                throw err;
              }
            }