create-release.yml

name: Create GitHub Release

on:
  push:
    branches:
      - main

permissions:
  contents: write
  pull-requests: write

jobs:
  create-github-release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine current version in pubspec.yaml
        id: pubspec-version-number
        run: |
          PUBSPEC_VERSION=$(yq ".version" pubspec.yaml)
          echo "pubspec-version=$PUBSPEC_VERSION" >> $GITHUB_OUTPUT

      - name: Check if version tag already exists
        id: tag-check
        run: |
          TAG=v${{ steps.pubspec-version-number.outputs.pubspec-version }}
          if git show-ref --tags --verify --quiet "refs/tags/${TAG}"; then
            echo "Version tag $TAG already exists, not creating a new release."
          else
            echo "new-tag=$TAG" >> $GITHUB_OUTPUT
          fi

      - name: Generate release notes
        uses: orhun/git-cliff-action@v3
        if: ${{ steps.tag-check.outputs.new-tag != '' }}
        with:
          config: cliff.toml
          args: --verbose --unreleased --strip header --tag ${{ steps.tag-check.outputs.new-tag }}
        env:
          OUTPUT: CHANGES.md
          GITHUB_REPO: ${{ github.repository }}

      - name: Create new GitHub release if tag does not exist yet
        uses: ncipollo/release-action@v1
        if: ${{ steps.tag-check.outputs.new-tag != '' }}
        with:
          tag: ${{ steps.tag-check.outputs.new-tag }}
          bodyFile: CHANGES.md
          name: Version ${{ steps.pubspec-version-number.outputs.pubspec-version }}
          token: ${{ secrets.BOT_TOKEN }}