CreateBuildTag.yaml

name: 'Create Build Tag'

on:
  workflow_run:
    workflows: [' CI/CD']
    types: ['completed']
    branches: ['main', 'release/*']

run-name: Create build tag on branch ${{ github.ref_name }}.

jobs:
  TagSuccessfulBuild:
    if: github.event.workflow_run.conclusion == 'success' && github.repository_owner == 'microsoft'
    runs-on: windows-latest
    steps:
      - name: Create version tag
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            // Query all artifacts from the build workflow
            const allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: context.payload.workflow_run.id,
            });

            if(!allArtifacts) {
              console.log(`Could not fetch artifacts from run ID ${context.payload.workflow_run.id}`)
              return;
            }

            // Determine the build number, based on the apps artifact name
            const appsArtifact = allArtifacts.data.artifacts.filter((artifact) => {
              return artifact.name.match(/.*-Apps-.*/)
            })[0];

            if(!appsArtifact) {
              console.log(`Could not find apps artifact from run ID ${context.payload.workflow_run.id}`)
              return;
            }

            // The build number is after -Apps-
            const buildNumber = appsArtifact.name.replace(/.*-Apps-/, "")
            const tag = `refs/tags/builds/${buildNumber}`

            console.log(`Creating tag: ${tag}`)

            github.rest.git.createRef({
              owner: context.repo.owner,
              repo: context.repo.repo,
              ref: tag,
              sha: context.sha
            });