publish_release.yml

name: Publish release to GitHub

on:
  push:
    branches:
      - main

concurrency:
  group: publish

jobs:
  check_for_release:
    runs-on: ubuntu-latest

    outputs:
      version: ${{ steps.release_version.outputs.version }}
      exists: ${{ steps.version_tag.outputs.exists }}

    steps:
      - uses: actions/checkout@v4

      - name: Get release version
        id: release_version
        run: echo "version=$(cat VERSION)" >> $GITHUB_OUTPUT

      - name: Check if version tag already exists
        id: version_tag
        uses: mukunku/tag-exists-action@bdad1eaa119ce71b150b952c97351c75025c06a9
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag: v${{ steps.release_version.outputs.version }}

  release:
    if: ${{ needs.check_for_release.outputs.exists == 'false' }}

    needs: [check_for_release]

    runs-on: ubuntu-latest

    permissions:
      id-token: write
      contents: write

    steps:
      - uses: actions/checkout@v4

      - name: Get Changelog Entry
        id: changelog_reader
        uses: mindsers/changelog-reader-action@v2
        with:
          validation_level: warn
          version: ${{ needs.check_for_release.outputs.version }}

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ needs.check_for_release.outputs.version }}
          name: Release v${{ needs.check_for_release.outputs.version }}
          body: ${{ steps.changelog_reader.outputs.changes }}