assign-labels.yml

name: assign-labels

on:
  workflow_run:
    workflows: [ "validate-atomics" ]
    types:
      - completed

jobs:
  assign-labels:
    runs-on: ubuntu-latest
    steps:
      - name: download-artifact
        uses: actions/github-script@v6
        with:
          script: |
            let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
               owner: context.repo.owner,
               repo: context.repo.repo,
               run_id: context.payload.workflow_run.id,
            });
            let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
              return artifact.name == "labels.json"
            })[0];
            let download = await github.rest.actions.downloadArtifact({
               owner: context.repo.owner,
               repo: context.repo.repo,
               artifact_id: matchArtifact.id,
               archive_format: 'zip',
            });
            let fs = require('fs');
            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/labels.zip`, Buffer.from(download.data));

      - name: unzip-artifact
        run: unzip labels.zip

      - name: assign-labels-and-reviewers
        uses: actions/github-script@v6
        with:
          script: |
            let fs = require('fs');
            const obj = JSON.parse(fs.readFileSync('./labels.json'));
            console.log(obj)
            if(obj.labels.length > 0){
              await github.rest.issues.addLabels({
                issue_number: obj.pr,
                owner: context.repo.owner,
                repo: context.repo.repo,
                labels: obj.labels
               })
            }
            if(obj.maintainers.length > 0){
              await github.rest.issues.addAssignees({
                issue_number: obj.pr,
                owner: context.repo.owner,
                repo: context.repo.repo,
                assignees: obj.maintainers
              });
            }