name: FIPS Checksums
on: [pull_request]

jobs:
  compute-checksums:
    runs-on: ubuntu-latest
    steps:
      - name: install unifdef
        run: |
            sudo apt-get update
            sudo apt-get -yq --no-install-suggests --no-install-recommends --force-yes install unifdef
      - name: create build dirs
        run: |
          mkdir ./build-pristine
          mkdir ./source-pristine
          mkdir ./build
          mkdir ./source
          mkdir ./artifact
      - uses: actions/checkout@v2
        with:
          repository: ${{ github.event.pull_request.base.repo.full_name }}
          ref: ${{ github.event.pull_request.base.ref }}
          path: source-pristine
      - name: config pristine
        run: ../source-pristine/config enable-fips && perl configdata.pm --dump
        working-directory: ./build-pristine
      - name: make build_generated pristine
        run: make -s build_generated
        working-directory: ./build-pristine
      - name: make fips-checksums pristine
        run: make fips-checksums
        working-directory: ./build-pristine
      - uses: actions/checkout@v2
        with:
          path: source
      - name: config
        run: ../source/config enable-fips && perl configdata.pm --dump
        working-directory: ./build
      - name: make build_generated
        run: make -s build_generated
        working-directory: ./build
      - name: make fips-checksums
        run: make fips-checksums
        working-directory: ./build
      - name: update checksums
        run: |
          cp -a build-pristine/providers/fips.module.sources.new source/providers/fips.module.sources
          cp -a build-pristine/providers/fips-sources.checksums.new source/providers/fips-sources.checksums
          cp -a build-pristine/providers/fips.checksum.new source/providers/fips.checksum
      - name: make diff-fips-checksums
        run: make diff-fips-checksums && touch ../artifact/fips_unchanged || ( touch ../artifact/fips_changed ; echo FIPS CHANGED )
        working-directory: ./build
      - name: save PR number
        run: echo ${{ github.event.number }} > ./artifact/pr_num
      - name: save artifact
        uses: actions/upload-artifact@v2
        with:
          name: fips_checksum
          path: artifact/