# This workflow creates a new release any time a PR is merged that includes an
# update to the version listed in `package.json`. This ensures that the releases
# are always in sync with the version listed in the package manifest.
name: Continuous Delivery

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

permissions:
  contents: write

jobs:
  release:
    name: Release Version
    runs-on: ubuntu-latest

    # Only run this job if the workflow was triggered manually or a
    # non-Dependabot PR was merged.
    if: |
      github.event_name == 'workflow_dispatch' ||
      (github.event.pull_request.merged == true &&
      startsWith(github.head_ref, 'dependabot/') == false)

    steps:
      - name: Checkout
        id: checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      # Parse the version from package.json and, if not already present,
      # publish a new action version.
      - name: Tag
        id: tag
        uses: issue-ops/semver@v2
        with:
          manifest-path: package.json
          workspace: ${{ github.workspace }}
          ref: main

          # Always overwrite if the workflow was triggered manually.
          overwrite: ${{ github.event_name == 'workflow_dispatch' }}

      # Create a release using the tag from the previous step. The release will
      # always be created if the workflow was triggered manually, but will only
      # be created on PR merge if the tag step ran successfully.
      - if: |
          github.event_name == 'workflow_dispatch' ||
          steps.tag.outcome == 'success'
        name: Create Release
        id: release
        uses: issue-ops/releaser@v2
        with:
          tag: v${{ steps.tag.outputs.version }}