create-release-branch.yml

# Copyright © 2023 KubeCub open source community. All rights reserved.
# Licensed under the MIT License (the "License");
# you may not use this file except in compliance with the License.

name: Create Release Branch

on:
  push:
    branches:
      - main
    tags:
      - 'v*'

jobs:
  create_release_branch:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Create release branch
        run: |
          # Gets the currently pushed tag
          TAG_NAME=$(echo "${GITHUB_REF}" | sed -e 's,.*/\(.*\),\1,')
          
          # Check whether the tag format meets expectations
          if [[ "${TAG_NAME}" =~ ^v([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]; then
            MAJOR_VERSION=${BASH_REMATCH[1]}
            MINOR_VERSION=${BASH_REMATCH[2]}
            PATCH_VERSION=${BASH_REMATCH[3]}
            
            if [[ ${PATCH_VERSION} -eq 0 && ! ${TAG_NAME} =~ [A-Za-z-] ]]; then
              RELEASE_BRANCH_NAME="release-v${MAJOR_VERSION}.0"
              
              git branch "${RELEASE_BRANCH_NAME}" "${TAG_NAME}"
              git push origin "${RELEASE_BRANCH_NAME}"
              
              echo "Created release branch: ${RELEASE_BRANCH_NAME}"
            else
              echo "Tag format is invalid or does not meet the conditions. Release branch not created."
            fi
          else
            echo "Tag format is invalid. Release branch not created."
          fi