changeset-release.yml

---
name: Changeset Release

# yamllint disable rule:truthy
on:
  push:
    branches:
      - main

concurrency: ${{ github.workflow }}-${{ github.ref }}

permissions: read-all

jobs:
  release:
    # IMPORTANT: prevent this action from running on forks
    if: github.repository == 'chizmw/json-on-the-clocktower'
    permissions:
      contents: write # to create release (changesets/action)
      pull-requests: write # to create pull request (changesets/action)
    name: Changeset Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.CHANGESETS_TOKEN }}
          # we want to know about all the tags
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 18

      - name: Install Dependencies
        run: yarn

      - name: Create Release Pull Request
        id: changesets
        uses: changesets/action@v1
        env:
          GITHUB_TOKEN: ${{ secrets.CHANGESETS_TOKEN }}
        with:
          title: Release Changeset (bake CHANGELOG.md)

      # we use ourself to get the information for the release
      - name: Get Change Info
        uses: chizmw/changesets-changelog-info@v0.1.5
        id: get-changelog-info

      - name: Debug Tag Step
        shell: bash
        run: |
          set -x
          TAG_NAME=${{ steps.get-changelog-info.outputs.last-change-version-v }}
          if git tag -l | grep -q "^${TAG_NAME}$"; then
            echo "Tag ${TAG_NAME} already exists"
          else
            echo "Tag ${TAG_NAME} is new"
          fi

      - name: Push Tags
        # https://github.com/changesets/action#custom-publishing
        if: steps.changesets.outputs.hasChangesets == 'false'
        shell: bash
        run: |
          TAG_NAME=${{ steps.get-changelog-info.outputs.last-change-version-v }}
          # if the tag doesn't start with v, emit a warning
          if [[ ! "${TAG_NAME}" =~ ^v.* ]]; then
            echo "::warning::Tag ${TAG_NAME} does not start with v"
          fi
          # try not to recreate the tag
          if git tag -l | grep -q "^${TAG_NAME}$"; then
            echo "Tag ${TAG_NAME} already exists"
          else
            git tag ${TAG_NAME}
            git push --tag
          fi