version-check.yml

name: Version Check

on:
  pull_request:
    branches:
      - '**'

jobs:
  verify-version:
    runs-on: ubuntu-latest
    
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Get version
        id: version
        run: |
          version=$(git show HEAD:.github/workflows/publish.yml | awk '/tags/{print $2}' | sed 's/,$//')
          echo "version=$version" >> $GITHUB_ENV

      - name: Checkout code
        uses: actions/checkout@v2
        with:
          ref: main

      - name: Get main version
        id: main_version
        run: |
          main_version=$(git show HEAD:.github/workflows/publish.yml | awk '/tags/{print $2}' | sed 's/,$//')
          echo "main_version=$main_version" >> $GITHUB_ENV

      - name: Use Output
        id: output
        run: |
          echo "current_version : $version"
          echo "main_version : $main_version"

      - name: Compare versions
        id: compare_versions
        run: |
          IFS='.' read -ra version_parts <<< "$version"
          IFS='.' read -ra main_version_parts <<< "$main_version"
          for i in "${!version_parts[@]}"; do
            if [ "${version_parts[i]}" -lt "${main_version_parts[i]}" ]; then
              echo "$version is less than $main_version"
              exit 1
            elif [ "${version_parts[i]}" -gt "${main_version_parts[i]}" ]; then
              echo "$version is greater than $main_version"
              exit 0
            fi
          done
          
          if [ "${version_parts[@]}" != "${main_version_parts[@]}" ]; then
            echo "Error: $main_version is greater than $version"
            exit 1
          fi
          
          echo "Please update the version. Current version: $version is equal to previous version: $main_version"
          exit 1