labeler-get-labels.yml

name: Labeler - Get PR labels
on: pull_request

jobs:
  get-missing-labels: # Fetch labels that might need to be created, store in an artifact
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

    - name: Fetch branches # This is necessary for comparing the current branch changes against main
      env:
        BRANCH_NAME: ${{github.head_ref}}
      run: |
        git fetch origin main:main
        git fetch origin "$BRANCH_NAME":refs/remotes/origin/"$BRANCH_NAME"
        git checkout -b "$BRANCH_NAME" origin/"$BRANCH_NAME"
    - name: Get Missing Labels
      uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
      env:
        PR_NUMBER: ${{ github.event.pull_request.number }}
        PR_BRANCH_NAME: ${{ github.event.pull_request.head.ref }}
      with:
        script: |
          const { PR_BRANCH_NAME, PR_NUMBER } = process.env;
          const script = require('./packages/tools/pie-monorepo-utils/pr-labeler/get-labels.js');
          const config = {
            prBranchName: PR_BRANCH_NAME,
            prNumber: PR_NUMBER,
            artifactFilePath: './tmp-labels.json'
          }
          await script(config);

    - name: Upload artifact
      uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
      with:
        path: ./tmp-labels.json
        name: tmp-labels.json
        retention-days: 1