release.yaml

name: Publish GitHub Release

on:
  push:
    # Only release tags on the main branch
    branches:
      - 'main'
    tags:
      - 'v*' # e.g. v1.2.3
      - '!v*[+]mc*' # exclude tags handled by publish.yaml

# Only allow running one build job at a time to optimise cache hits
concurrency:
  group: builds

# Grant permission to create/update releases
permissions:
  contents: write

env:
  TAG: ${{ github.ref_name }}

jobs:
  release:
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Get release
        id: get
        run: |
          if gh api /repos/{owner}/{repo}/releases/tags/"$TAG" \
              -H "Accept: application/vnd.github+json" \
              -H "X-GitHub-Api-Version: 2022-11-28" \
              > /dev/null
          then
            echo "found=true"
          else
            echo "found=false"
          fi

        # TODO create a release with the same title & body that modpublisher would use
        #
        # Note: modpublisher currently won't edit these when updating an existing release...
        #       TODO: add support for that upstream?
      - name: Create release
        if: ${{ steps.get.outputs.found == 'true' }}
        run: |
          gh release create "$TAG" --draft="false" \
              --title "TODO" \
              --notes "TODO"

        # If the release exists, publish it by setting draft=false
      - name: Update release
        if: ${{ steps.get.outputs.found == 'false' }}
        run: gh release edit "$TAG" --draft="false"