prepare-release.yml

name: "Prepare release"
on:
  workflow_dispatch:
    inputs:
      package:
        type: choice
        options:
        - ''
        - opentelemetry-instrumentation-genai-agno
        - opentelemetry-instrumentation-genai-anthropic
        - opentelemetry-instrumentation-google-genai
        - opentelemetry-instrumentation-genai-langchain
        - opentelemetry-instrumentation-genai-openai-agents
        - opentelemetry-instrumentation-genai-openai
        - opentelemetry-instrumentation-genai-portkey
        - opentelemetry-instrumentation-genai-qwen-agent
        - opentelemetry-util-genai
        description: >
          Restrict to a single package. Leave empty to prepare every package
          with pending changelog fragments.
        required: false
        default: ''

permissions:
  contents: read

env:
  UV_FROZEN: "true"

run-name: "Prepare release${{ inputs.package && format(': {0}', inputs.package) || ' (all)' }}"

jobs:
  prepare:
    permissions:
      contents: write
    runs-on: cncf-ubuntu-2-8-x86
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: true # zizmor: ignore[artipacked] a later step pushes the prepared release branch

      - name: Verify branch
        run: |
          if [[ "$GITHUB_REF_NAME" != "main" ]]; then
            echo "This workflow should only be run against main"
            exit 1
          fi

      - name: Select packages with changelog fragments
        id: packages
        run: |
          set -e
          mapfile -t candidates < <(./scripts/eachdist.py packages-with-changelog-fragments)
          if [[ ${#candidates[@]} -eq 0 ]]; then
            echo "No packages with changelog fragments found"
            exit 1
          fi

          selected=()
          filter='${{ inputs.package }}'
          if [[ -n "$filter" ]]; then
            for package in "${candidates[@]}"; do
              if [[ "$package" == "$filter" ]]; then
                selected+=("$package")
              fi
            done
            if [[ ${#selected[@]} -eq 0 ]]; then
              echo "Package '$filter' has no changelog fragments to release"
              exit 1
            fi
          else
            selected=("${candidates[@]}")
          fi

          printf 'Preparing: %s\n' "${selected[@]}"
          {
            echo "packages<<EOF"
            printf '%s\n' "${selected[@]}"
            echo "EOF"
            echo "count=${#selected[@]}"
          } >> "$GITHUB_OUTPUT"

      - name: Install uv
        uses: astral-sh/setup-uv@20cfd1bf945f4377ade1205e4dbc17946fc9a30d # v10.0.1

      - name: Prepare selected packages for release
        run: |
          while IFS= read -r package; do
            [[ -z "$package" ]] && continue
            echo "Preparing ${package}"
            ./scripts/prepare_package_for_release.sh "$package"
          done <<< "${STEPS_PACKAGES_OUTPUTS_PACKAGES}"
        env:
          STEPS_PACKAGES_OUTPUTS_PACKAGES: ${{ steps.packages.outputs.packages }}

      - name: Configure CLA-approved git bot
        run: .github/scripts/use-cla-approved-github-bot.sh

      - uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        id: otelbot-token
        with:
          client-id: ${{ vars.OTELBOT_CLIENT_ID }}
          private-key: ${{ secrets.OTELBOT_PRIVATE_KEY }}
          permission-pull-requests: write

      - name: Create pull request
        env:
          GITHUB_TOKEN: ${{ steps.otelbot-token.outputs.token }}
          PACKAGES: ${{ steps.packages.outputs.packages }}
          COUNT: ${{ steps.packages.outputs.count }}
        run: |
          if [[ "$COUNT" -eq 1 ]]; then
            package=$(echo "$PACKAGES" | head -n1)
            version=$(./scripts/eachdist.py version --package "$package")
            title="Prepare release for ${package} v${version}"
            body="Prepare \`${package}\` v\`${version}\` for release."
            branch="otelbot/prepare-${package}-v${version}"
          else
            title="Prepare release for all packages with changelog fragments"
            body="Prepare all packages that have towncrier changelog fragments for release."
            branch="otelbot/prepare-release-all-$(date +%Y%m%d)"
          fi

          git commit -a -m "$title"
          git push origin HEAD:"$branch"
          pr_url=$(gh pr create --title "$title" \
                                --body "$body" \
                                --head "$branch" \
                                --base main)
          gh pr edit "$pr_url" --add-label release