release.yml

name: Release

on:
  workflow_dispatch:
    inputs:
      version_type:
        description: 'Version bump type'
        required: true
        type: choice
        options:
          - patch
          - minor
          - major
        default: 'patch'
      pre_release:
        description: 'Mark as pre-release'
        required: false
        type: boolean
        default: false

jobs:
  release:
    runs-on: ubuntu-22.04
    # Only run on master branch
    if: github.ref == 'refs/heads/master'
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          # PAT with repo scope needed to push to protected master branch.
          # GITHUB_TOKEN cannot bypass branch protection rules.
          token: ${{ secrets.RELEASE_PAT }}

      - name: Setup Rust
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: '1.91.0'
          components: 'clippy, rustfmt'

      - name: Install cargo-edit for version bumping
        run: cargo install cargo-edit --version 0.12.3 --locked

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

      - name: Get current version
        id: current_version
        run: |
          CURRENT_VERSION=$(grep -m 1 '^version = ' datafusion/bio-function-pileup/Cargo.toml | sed 's/version = "\(.*\)"/\1/')
          echo "version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
          echo "Current version: $CURRENT_VERSION"

      - name: Bump version in all crates
        id: bump_version
        run: |
          # Bump version once - cargo set-version updates all workspace members
          echo "Bumping version for all workspace members"
          cargo set-version --manifest-path datafusion/bio-function-pileup/Cargo.toml --bump ${{ inputs.version_type }}

          # Get the new version
          NEW_VERSION=$(grep -m 1 '^version = ' datafusion/bio-function-pileup/Cargo.toml | sed 's/version = "\(.*\)"/\1/')
          echo "version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "New version: $NEW_VERSION"

      - name: Update Cargo.lock
        run: cargo check --all

      - name: Run tests
        run: cargo test --all

      - name: Run clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

      - name: Build documentation
        run: cargo doc --no-deps --all-features
        env:
          RUSTDOCFLAGS: "-D warnings"

      - name: Commit version bump
        run: |
          git add -A
          git commit -m "chore: release v${{ steps.bump_version.outputs.version }}"

      - name: Create and push tag
        run: |
          git tag -a "v${{ steps.bump_version.outputs.version }}" -m "Release v${{ steps.bump_version.outputs.version }}"
          git push origin master
          git push origin "v${{ steps.bump_version.outputs.version }}"

      - name: Generate changelog
        id: changelog
        run: |
          # Get the previous tag
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          if [ -z "$PREV_TAG" ]; then
            echo "First release - no previous tag found"
            CHANGELOG="First release of datafusion-bio-functions"
          else
            echo "Generating changelog from $PREV_TAG to v${{ steps.bump_version.outputs.version }}"
            CHANGELOG=$(git log ${PREV_TAG}..HEAD --pretty=format:"- %s (%h)" --no-merges)
          fi

          # Save changelog to file
          echo "$CHANGELOG" > /tmp/changelog.md
          echo "## What's Changed" >> /tmp/release_notes.md
          echo "" >> /tmp/release_notes.md
          echo "$CHANGELOG" >> /tmp/release_notes.md
          echo "" >> /tmp/release_notes.md
          echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREV_TAG}...v${{ steps.bump_version.outputs.version }}" >> /tmp/release_notes.md

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ steps.bump_version.outputs.version }}
          name: Release v${{ steps.bump_version.outputs.version }}
          body_path: /tmp/release_notes.md
          draft: false
          prerelease: ${{ inputs.pre_release }}
          generate_release_notes: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # Optional: Publish to crates.io (uncomment when ready)
      # - name: Publish to crates.io
      #   run: |
      #     cargo publish --manifest-path datafusion/bio-function-pileup/Cargo.toml --token ${{ secrets.CARGO_TOKEN }}
      #   env:
      #     CARGO_TOKEN: ${{ secrets.CARGO_TOKEN }}

      - name: Summary
        run: |
          echo "## Release Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "- **Previous Version**: ${{ steps.current_version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **New Version**: ${{ steps.bump_version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Version Bump**: ${{ inputs.version_type }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Pre-release**: ${{ inputs.pre_release }}" >> $GITHUB_STEP_SUMMARY
          echo "- **Tag**: v${{ steps.bump_version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "Release created successfully!" >> $GITHUB_STEP_SUMMARY