post-release.yml

name: post-release

on:
  release:
    types:
      - published

env:
  GH_TOKEN: ${{ github.token }}
  BRANCH: release/${{ github.ref_name }}

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Configure git
        run: |
          git config --local user.name "github-actions[bot]"
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git push origin --delete ${{ env.BRANCH }} || echo "No ${{ env.BRANCH }} branch to delete"
          git switch -c ${{ env.BRANCH }}
      - name: Bump changelog & version
        shell: python {0}
        run: |
          with open("CHANGELOG.md", "r") as infile:
            lines = infile.readlines()
          lines.insert(0, "## ${{ github.event.repository.name }} development version\n\n")
          with open("CHANGELOG.md", "w") as outfile:
            outfile.writelines(lines)

          with open('VERSION', 'r') as infile:
            version = infile.read().strip()
          with open('VERSION', 'w') as outfile:
            outfile.write(f"{version}-dev\n")

      - uses: pre-commit/action@v3.0.0
        with:
          extra_args: --files CITATION.cff CHANGELOG.md VERSION
        continue-on-error: true

      - name: Open pull request
        run: |
          git add CHANGELOG.md VERSION
          git commit -m "chore: bump changelog & version after release of ${{ github.ref_name }}"
          git push --set-upstream origin ${{ env.BRANCH }}

          gh pr create \
            --fill-first \
            --reviewer ${{ github.triggering_actor }}

      - name: Clean up release-draft branch
        run: |
          git push origin --delete release-draft || echo "No release-draft branch to delete"