post-release.yml

name: Post-release

on:
  release:
    types: [published]

permissions:
  contents: read

jobs:
  bump-schema-url:
    runs-on: ubuntu-latest
    if: ${{ github.repository_owner == 'open-telemetry' }}
    permissions:
      contents: write # required for pushing changes
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: main
          # zizmor: ignore[artipacked] Credentials are required by the branch push below.
          persist-credentials: true

      # only bump the development schema_url for minor/major releases,
      # patch releases are cut from a release branch and don't move main forward.
      # skip flag is controlling this
      - name: Compute next development version
        id: version
        env:
          GITHUB_EVENT_RELEASE_TAG_NAME: ${{ github.event.release.tag_name }}
        run: |
          tag="${GITHUB_EVENT_RELEASE_TAG_NAME}"
          version="${tag#v}"
          if [[ ! "$version" =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]; then
            echo "unexpected release version: $version"
            exit 1
          fi
          major="${BASH_REMATCH[1]}"
          minor="${BASH_REMATCH[2]}"
          patch="${BASH_REMATCH[3]}"
          if [[ "$patch" != "0" ]]; then
            echo "patch release $version, skipping schema_url bump"
            echo "skip=true" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          next_version="$major.$((minor + 1)).0-unreleased"
          echo "next_version=$next_version" >> "$GITHUB_OUTPUT"

      - name: Use CLA approved github bot
        if: ${{ steps.version.outputs.skip != 'true' }}
        run: .github/scripts/use-cla-approved-github-bot.sh

      - name: Bump schema_url in manifest
        if: ${{ steps.version.outputs.skip != 'true' }}
        env:
          STEPS_VERSION_OUTPUTS_NEXT_VERSION: ${{ steps.version.outputs.next_version }}
        run: |
          next_version="${STEPS_VERSION_OUTPUTS_NEXT_VERSION}"
          sed -i "s|^schema_url: https://opentelemetry.io/schemas/.*$|schema_url: https://opentelemetry.io/schemas/$next_version|" model/manifest.yaml

      - uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1 # v3.2.0
        if: ${{ steps.version.outputs.skip != 'true' }}
        id: otelbot-token
        with:
          client-id: ${{ vars.OTELBOT_CLIENT_ID }}
          private-key: ${{ secrets.OTELBOT_PRIVATE_KEY }}
          permission-pull-requests: write

      - name: Create pull request
        if: ${{ steps.version.outputs.skip != 'true' }}
        env:
          # Use the App token for PR creation so the pull request runs workflows.
          GH_TOKEN: ${{ steps.otelbot-token.outputs.token }}
          VERSION: ${{ github.event.release.tag_name }}
          NEXT_VERSION: ${{ steps.version.outputs.next_version }}
        run: |
          message="[chore] Bump development schema_url to ${NEXT_VERSION}"
          body="Post-release update for \`${VERSION}\`: bump \`model/manifest.yaml\` schema_url to \`https://opentelemetry.io/schemas/${NEXT_VERSION}\`."
          branch="otelbot/bump-schema-url-${NEXT_VERSION}"

          git checkout -b "$branch"
          if git diff --quiet; then
            echo "No changes to commit; schema_url already up to date."
            exit 0
          fi
          git commit -a -m "$message"
          git push --set-upstream origin "$branch"
          gh pr create --title "$message" \
                       --body "$body" \
                       --head "$branch" \
                       --base main