release-prep.yml

name: Prep Release

on:
  workflow_dispatch:
    inputs:
      bump:
        description: 'Version bump type'
        required: true
        default: 'patch'
        type: choice
        options:
          - patch
          - minor
          - major

permissions: {}

jobs:
  create-release-pr:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

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

      - name: Bump version and sync
        id: sync
        run: |
          CURRENT=$(grep '^version = ' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          IFS='.' read -r MAJOR MINOR PATCH <<< "$CURRENT"
          case "${{ inputs.bump }}" in
            major) MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
            minor) MINOR=$((MINOR + 1)); PATCH=0 ;;
            patch) PATCH=$((PATCH + 1)) ;;
          esac
          VERSION="${MAJOR}.${MINOR}.${PATCH}"
          echo "VERSION=$VERSION" >> "$GITHUB_OUTPUT"
          bash scripts/version-sync.sh "$VERSION"

      - name: Create release branch and PR
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION="${{ steps.sync.outputs.VERSION }}"
          BRANCH="release/v${VERSION}"
          git checkout -b "$BRANCH"
          git add Cargo.toml npm/ pypi/
          git commit -m "v${VERSION}: bump and sync package versions"
          git push origin "$BRANCH"
          gh pr create \
            --title "v${VERSION}: bump and sync package versions" \
            --body "## Release v${VERSION}

          Automated version bump (${{ inputs.bump }}).

          **Merge this PR to trigger the release workflow**, which will:
          1. Tag the merge commit as \`v${VERSION}\`
          2. Build binaries for all platforms
          3. Publish to npm, crates.io, PyPI, and GitHub Releases" \
            --base main \
            --head "$BRANCH"