version-check.yml

on:
  pull_request:
    branches: main

name: Version Check

jobs:
  all:
    runs-on: ${{ matrix.config.os }}

    name: Check Version Test

    strategy:
      fail-fast: false
      matrix:
        config:
          - { os: ubuntu-latest, r: "release" }

    env:
      R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
      RGL_USE_NULL: true
      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - uses: actions/checkout@v2.1.1

      - name: New version
        run: |
          echo "NEW_VERSION=$(grep '^Version' DESCRIPTION  | sed 's/.*: *//')" >> $GITHUB_ENV

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

      - name: Old version
        run: |
          echo "OLD_VERSION=$(grep '^Version' DESCRIPTION  | sed 's/.*: *//')" >> $GITHUB_ENV

      - name: Compare versions
        run: |
          Rscript -e "if (commandArgs(TRUE)[1] <= commandArgs(TRUE)[2]) stop('Package version has not been updated.')" ${{ env.NEW_VERSION }} ${{ env.OLD_VERSION }}

      - name: Check version format
        run: |
          Rscript -e "if (!grepl('^[0-9]+\\\.[0-9]+\\\.[0-9]+$', commandArgs(TRUE)[1])) stop('Format of package version must be major.minor.patch.')" ${{ env.NEW_VERSION }}