pull-request.yml

name: Compare versions on Pull Request

on:
  pull_request:
    branches:
      - master

jobs:
  compare-version:
    name: Compare versions in current branch and master
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Get source version
        id: source-version
        run: |
          echo "Source branch: ${{ github.head_ref }}"
          version=$(cat ./src/Dodo.HttpClient.ResiliencePolicies/Dodo.HttpClient.ResiliencePolicies.csproj | grep "<VersionPrefix>" | sed -e "s/ *<\/*VersionPrefix>//g")
          echo "Source version: $version"
          if [ -z "${version// }" ]; then exit 1; fi
          echo "::set-output name=version::$version"

      - uses: actions/checkout@v2
        with:
          ref: master

      - name: Get target version
        id: target-version
        run: |
          echo "Target branch: ${{ github.base_ref }}"
          version=$(cat ./src/Dodo.HttpClient.ResiliencePolicies/Dodo.HttpClient.ResiliencePolicies.csproj | grep "<VersionPrefix>" | sed -e "s/ *<\/*VersionPrefix>//g")
          echo "Target version: $version"
          if [ -z "${version// }" ]; then exit 1; fi
          echo "::set-output name=version::$version"

      - name: Compare versions
        run: |
          versions=(${{ env.source_version }} ${{ env.target_version }})
          IFS=$'\n' sorted_versions=($(sort -V <<<"${versions[*]}")); unset IFS
          if [ $sorted_versions == ${{ env.source_version }} ]; then exit 1; fi
        env:
          source_version: ${{ steps.source-version.outputs.version }}
          target_version: ${{ steps.target-version.outputs.version }}