release.yml

name: release

on:
  push:
    branches: [main]

permissions:
  contents: write

jobs:
  release:
    if: "!contains(github.event.head_commit.message, '[skip ci]')"
    runs-on: ubuntu-latest
    steps:
      - name: Generate token for version incrementer app
        id: create_token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{ secrets.APP_ID }}
          private_key: ${{ secrets.PRIVATE_KEY }}

      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.sha }}
          token: ${{ steps.create_token.outputs.token }}

      - name: Force correct branch on workflow sha
        run: git checkout -B ${{ github.ref_name }} ${{ github.sha }}

      - name: Bump patch version
        id: bump
        run: |
          CURRENT_VERSION=$(grep -oP '^version = "\K[^"]+' pyproject.toml)
          IFS='.' read -r MAJOR MINOR PATCH <<< "$CURRENT_VERSION"
          NEW_PATCH=$((PATCH + 1))
          NEW_VERSION="$MAJOR.$MINOR.$NEW_PATCH"
          sed -i "s/^version = \"$CURRENT_VERSION\"/version = \"$NEW_VERSION\"/" pyproject.toml
          echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"
          echo "tag=v$NEW_VERSION" >> "$GITHUB_OUTPUT"
          echo "Bumped version: $CURRENT_VERSION -> $NEW_VERSION"

      - name: Install uv
        uses: astral-sh/setup-uv@v5

      - name: Sync uv lockfile
        run: uv lock

      - name: Get merged PR info
        id: pr_info
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          PR_NUMBER=$(gh pr list --state merged --search "${{ github.sha }}" --json number --jq '.[0].number' 2>/dev/null || echo "")
          if [ -n "$PR_NUMBER" ]; then
            PR_BODY=$(gh pr view "$PR_NUMBER" --json body --jq '.body')
            echo "pr_number=$PR_NUMBER" >> "$GITHUB_OUTPUT"
            {
              echo "notes<<EOF"
              echo "$PR_BODY"
              echo "EOF"
            } >> "$GITHUB_OUTPUT"
          else
            echo "notes=Release ${{ steps.bump.outputs.tag }}" >> "$GITHUB_OUTPUT"
          fi

      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_NOTES: ${{ steps.pr_info.outputs.notes }}
        run: |
          gh release create "${{ steps.bump.outputs.tag }}" \
            --title "${{ steps.bump.outputs.tag }}" \
            --notes "$RELEASE_NOTES"

      - name: Commit version bump
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "chore: release ${{ steps.bump.outputs.tag }} [skip ci]"
          branch: ${{ github.ref_name }}
          file_pattern: "pyproject.toml uv.lock"