release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Semver version (no leading v)"
        required: true
        type: string
      prerelease:
        description: "Mark as prerelease"
        required: false
        type: boolean
        default: false

permissions:
  contents: write

jobs:
  release:
    name: Tag and publish GitHub release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Validate version
        run: |
          if ! [[ "${{ inputs.version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.-]+)?$ ]]; then
            echo "Version '${{ inputs.version }}' is not valid semver"; exit 1
          fi

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

      - name: Tag
        run: |
          git tag -a "v${{ inputs.version }}" -m "Release v${{ inputs.version }}"
          git push origin "v${{ inputs.version }}"

      - name: Generate release notes
        id: notes
        uses: actions/github-script@v9
        with:
          script: |
            const { data } = await github.rest.repos.generateReleaseNotes({
              owner: context.repo.owner,
              repo: context.repo.repo,
              tag_name: `v${{ inputs.version }}`,
            });
            core.setOutput('body', data.body);

      - name: Create GitHub release
        uses: softprops/action-gh-release@v3
        with:
          tag_name: v${{ inputs.version }}
          name: v${{ inputs.version }}
          body: ${{ steps.notes.outputs.body }}
          prerelease: ${{ inputs.prerelease }}
          draft: false