release.yaml

name: Release

on:
  workflow_dispatch:
    inputs:
      tag:
        description: "Tag / Version number (leave empty for dry-run)"
        required: true

env:
  python-version: "3.12"
  changelog: CHANGELOG.md
  readme: README.md
  config: thunderstore.toml
  plugin: src/Plugin.cs

jobs:
  tag-and-release:
    name: Rotate changelog, version, tag, and create release
    runs-on: ubuntu-latest
    if: github.event.inputs.tag
    outputs:
      upload_url: ${{ steps.release.outputs.upload_url }}
    steps:
      - name: Checkout files
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11

      - name: Set up Python
        uses: actions/setup-python@13ae5bb136fac2878aff31522b9efb785519f984
        with:
          python-version: ${{ env.python-version }}

      - name: Build release notes
        shell: python
        run: |
          import os
          from pathlib import Path
          import re

          regex = re.compile(r'## \[Unreleased\]\s+(?P<notes>.*?)\s+## ', re.DOTALL)
          changelog = Path('${{ env.changelog }}').read_text()
          found = regex.search(changelog)

          def set_env(name, value):
              with open(os.environ['GITHUB_ENV'], 'a') as f:
                  delimiter = "EOF"
                  print(f'{name}<<{delimiter}', file=f)
                  print(value, file=f)
                  print(delimiter, file=f)

          if found:
            notes = found.group('notes')
            set_env("release-notes", notes)

      - name: Rotate unreleased section in changelog
        uses: thomaseizinger/keep-a-changelog-new-release@5bc232893483441c5d6cd6c9dcb1e48abf9a2bae
        with:
          tag: ${{ github.event.inputs.tag }}

      - name: Rotate version
        run: |
          sed -i 's;nbusseneau/Better_Cartography_table/[0-9]\+.[0-9]\+.[0-9]\+;nbusseneau/Better_Cartography_table/${{ github.event.inputs.tag }}.zip;g' ${{ env.readme }}
          sed -i 's/nbusseneau-Better_Cartography_Table-[0-9]\+.[0-9]\+.[0-9]\+.zip/nbusseneau-Better_Cartography_Table-${{ github.event.inputs.tag }}.zip/g' ${{ env.readme }}
          sed -i 's/versionNumber = ".*"/versionNumber = "${{ github.event.inputs.tag }}"/' ${{ env.config }}
          sed -i 's/ModVersion = ".*"/ModVersion = "${{ github.event.inputs.tag }}"/' ${{ env.plugin }}

      - name: Push updated files to repository
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add ${{ env.changelog }} ${{ env.readme }} ${{ env.config }} ${{ env.plugin }}
          git commit --message "Release ${{ github.event.inputs.tag }}"
          git push origin HEAD:main

      - name: Tag
        run: |
          git tag ${{ github.event.inputs.tag }}
          git push origin --tags

      - name: Create release
        id: release
        uses: actions/create-release@0cb9c9b65d5d1901c1f53e5e66eaf4afd303e70e
        with:
          release_name: ${{ github.event.inputs.tag }}
          tag_name: ${{ github.event.inputs.tag }}
          body: ${{ env.release-notes }}
          commitish: main
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}