# Copyright (C) 2019 Intel Corporation.  All rights reserved.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

# It includes:
#   - add new content into the RELEASE_NOTES.md
#   - update the version in build-scripts/version.cmake and core/version.h
#
# The new content is added to the beginning of the RELEASE_NOTES.md file.
# It includes all merged PR titles since the last release(tag).
# Based on every PR's label, it will be categorized into different sections.
#
# The version number is updated to the next version.
# Based on new content in the RELEASE_NOTES.md, it will be determined
# 1. if there is breaking change or new features, the next version will be a minor version
# 2. if there is no breaking change and new features, the next version will be a patch version
#
# At the end, file a PR to update the files.

name: preparation for a release.

on:
  workflow_dispatch:

# Cancel any in-flight jobs for the same PR/branch so there's only one active
# at a time
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  prepare_release:
    permissions:
      contents: write # update files
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: prepare the release note
        id: generate_release_notes
        run: |
          python3 ./.github/scripts/generate_release_notes.py ./RELEASE_NOTES.md"

      - name: extract next version from previous step's output
        id: extract_version
        run: |
          echo "next_version=${{ steps.generate_release_notes.outputs.next_version }}" >> $GITHUB_ENV

      - name: update version files
        run: |
          python3 ./.github/scripts/update_version_files.py ${{ env.next_version }}

      - name: file a PR
        id: file_pr
        uses: peter-evans/create-pull-request@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          title: "Prepare for the next release"
          body: |
            This PR prepares for the next release.
            It updates the version files and adds new content to the RELEASE_NOTES.md.
          commit-message: "prepare for the next release"
          branch: prepare-release-${{ github.run_id }}
          paths: |
            RELEASE_NOTES.md
            build-scripts/version.cmake
            core/version.h