release-finalize.yml

name: Finalize Release

on:
  pull_request:
    types: [closed]
    branches:
      - main

# Add permissions for GitHub operations
permissions:
  contents: write
  pull-requests: write

jobs:
  finalize-release:
    if: github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'release/v')
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history for proper tagging

      - name: Setup Git Identity
        run: |
          set -e
          git config --global user.name "GitHub Actions"
          git config --global user.email "actions@github.com"

      - name: Download changelog artifact
        uses: actions/download-artifact@v4
        with:
          name: changelog
          path: .

      - name: Get release version
        id: get_version
        run: |
          set -e
          BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          # We only support release/v* format now
          VERSION=${BRANCH_NAME#release/}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "tag_name=$VERSION" >> $GITHUB_OUTPUT

      - name: Create and push tag
        run: |
          set -e
          git tag -a ${{ steps.get_version.outputs.tag_name }} -m "Release ${{ steps.get_version.outputs.tag_name }}"
          git push origin ${{ steps.get_version.outputs.tag_name }}
          # This tag push will automatically trigger the docker.yml workflow for building images

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.get_version.outputs.tag_name }}
          name: Release ${{ steps.get_version.outputs.tag_name }}
          body_path: CHANGELOG.md  # Use the downloaded changelog
          generate_release_notes: false  # We're using our own changelog
          draft: false
          prerelease: false

      - name: Create PR to develop
        run: |
          set -e
          gh pr create --base develop --head ${{ github.event.pull_request.head.ref }} \
            --title "Merge ${{ github.event.pull_request.head.ref }} into develop" \
            --body "Merge release branch into develop."
          
      - name: Merge into develop
        run: |
          set -e
          PR_NUMBER=$(gh pr list --head ${{ github.event.pull_request.head.ref }} --base develop --json number --jq '.[0].number')
          if [ -n "$PR_NUMBER" ]; then
            gh pr merge --repo ${{ github.repository }} --merge --auto $PR_NUMBER
          else
            echo "No PR found to merge into develop"
            exit 1
          fi

      # --- Post-Release Version Bump ---

      - name: Checkout develop branch for version bump
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch all history for proper tagging
          ref: develop

      - name: Install dependencies for version bump
        run: |
          set -e
          sudo apt-get update && sudo apt-get install -y protobuf-compiler
          cargo install cargo-edit

      - name: Calculate and apply next development version
        id: calculate_next_version
        run: |
          set -e
          # Extract version without 'v' prefix
          RAW_VERSION=${{ steps.get_version.outputs.version }}
          VERSION_WITHOUT_V="${RAW_VERSION#v}"
          
          IFS='.' read -ra VERSION_PARTS <<< "$VERSION_WITHOUT_V"
          MAJOR="${VERSION_PARTS[0]}"
          MINOR="${VERSION_PARTS[1]}"
          PATCH=$((VERSION_PARTS[2] + 1))  # Increment the patch version
          NEXT_VERSION="${MAJOR}.${MINOR}.${PATCH}-dev"
          echo "next_version=$NEXT_VERSION" >> $GITHUB_OUTPUT
          echo "Setting develop version to $NEXT_VERSION"
          
          # Update Cargo.toml versions
          find . -name "Cargo.toml" -type f -exec cargo set-version $NEXT_VERSION --manifest-path {} \;
          
          # Update any other version references
          if [ -f "VERSION" ]; then
            echo "$NEXT_VERSION" > VERSION
          fi
          
          # Commit and push the version bump directly to develop
          git add -A
          git commit -m "chore: bump version to $NEXT_VERSION [skip ci]"
          git push origin develop