release.yaml

# Build a project release whenever a pull request is merged to main.
---
name: Release

env:
  # Current supported Python version. For applications, there is generally no
  # reason to support multiple Python versions, so all actions are run with
  # this version. Quote the version to avoid interpretation as a floating
  # point number.
  PYTHON_VERSION: "3.12"
  UV_PYTHON_PREFERENCE: "system"
  BUILDKIT_PROGRESS: "plain"

"on":
  pull_request:
    types:
      - closed
    branches:
      - main

jobs:

  # Release -- when PR is merged to main, bump version, make tag, recommit
  release:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    if: >-
      github.event_name == 'pull_request'
      && github.event.action == 'closed'
      && github.event.pull_request.merged == true
    steps:
      - run: >-
          echo "${{ github.head_ref }} merged into ${{ github.ref }}
          by {{ github.event.pull_request.user.name }} <{{ github.event.pull_request.user.email }}>"

      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.sha }}

      - name: Make Release
        id: release
        uses: python-semantic-release/python-semantic-release@v9.15.2
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          git_committer_name: "github_actions[bot]"
          git_committer_email: "41898282+github_actions[bot]@users.noreply.github.com"
          force: patch
          build: false
          changelog: false
          vcs_release: false

      # Pushing the tag will not trigger any related events, so we have to use
      # workflow_dispatch to affect the tag-related build.
      - name: Trigger Build Workflow
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.actions.createWorkflowDispatch({
              owner: context.repo.owner,
              repo: context.repo.repo,
              workflow_id: 'build.yaml',
              ref: ${{ steps.release.outputs.tag }}
            })