ci.yml

name: CI

on: [push, pull_request]

jobs:
  vanilla:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target:
          - tiny5.15
          - tiny6.6
    outputs:
      artifact_id: ${{ steps.upload.outputs.artifact-id }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y make build-essential

      - name: Build tiny kernel
        run: make ${{ matrix.target }}

      - uses: actions/upload-artifact@v4
        id: upload
        with:
          name: build1
          path: build
          if-no-files-found: error

  vanilla2:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target:
          - tiny5.15
          - tiny6.6
    outputs:
      artifact_id: ${{ steps.upload.outputs.artifact-id }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y make build-essential

      - name: Build vanilla kernel
        run: make ${{ matrix.target }}

      - uses: actions/upload-artifact@v4
        id: upload
        with:
          name: build2
          path: build
          if-no-files-found: error

  reproducible:
    runs-on: ubuntu-latest
    container: debian:bookworm
    needs:
      - vanilla
      - vanilla2
    steps:
      - name: Install dependencies
        run: |
          apt-get update && apt-get install --yes diffoscope-minimal python3-debian \
            --no-install-recommends
      - uses: actions/download-artifact@v4
        with:
          pattern: "*"
      - name: diffoscope
        run: |
          find . -name '*.deb' -exec sha256sum {} \;
          # TODO: Ideally we'd just be able to diff the .changes files and let diffoscope find
          # all the individual debs, but the source packages are not identical. When they are,
          for deb in `find build1/ -name '*.deb' -exec basename {} \;`; do
            echo "Diffoscoping $deb"
            diffoscope build1/$deb build2/$deb
          done;