repro.yml

---
# https://docs.corelightning.org/docs/repro
name: Repro Build Nightly
on:
  # 05:00 Berlin, 03:00 UTC, 23:00 New York, 20:00 Los Angeles
  schedule:
    - cron: "0 3 * * *"
  # TODO: remove after testing
  push:
    branches:
      - 7117-repro-nightly-builds
jobs:
  ubuntu:
    name: "Ubuntu repro build: ${{ matrix.version }}"
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        version: ['focal', 'jammy', 'noble']
    steps:
      - name: Git checkout
        uses: actions/checkout@v2

      - name: Build environment setup
        run: |
          echo "Building base image for ${{ matrix.version }}"
          sudo docker run --rm -v $(pwd):/build ubuntu:${{ matrix.version }} bash -c "apt-get update && apt-get install -y debootstrap && debootstrap ${{ matrix.version }} /build/${{ matrix.version }}"
          sudo tar -C ${{ matrix.version }} -c . | docker import - ${{ matrix.version }}

      - name: Builder image setup
        run: docker build -t cl-repro-${{ matrix.version }} - < contrib/reprobuild/Dockerfile.${{ matrix.version }}

      - name: Build using the builder image and store Git state.
        run: |
          # Create release directory.
          mkdir $GITHUB_WORKSPACE/release

          # Perform the repro build.
          docker run --name cl-build -v $GITHUB_WORKSPACE:/repo -e FORCE_MTIME=$(date +%F) -t cl-repro-${{ matrix.version }}

          # Commit the image and use it to inspect the Git tree state.
          docker commit cl-build cl-release
          docker run --rm -v $GITHUB_WORKSPACE:/repo -t cl-release git status > release/git-status.txt
          docker run --rm -v $GITHUB_WORKSPACE:/repo -t cl-release git diff > release/git-diff.txt

          # Change permissions on the release files for access by build environment.
          sudo chown -R runner $GITHUB_WORKSPACE/release

      - name: Assert clean release
        run: |
          releasefile=$(ls release/clightning-*)
          echo 'Release file:'
          ls -al release/clightning-*

          if [ -n "$(echo $releasefile | sed -n '/-modded/p')" ]; then
            echo "Git Status:"
            cat release/git-status.txt
            echo "Git Diff:"
            cat release/git-diff.txt

            echo 'Error: release modded / dirty tree.'
            exit 1
          else
            echo 'Success! Clean release.'
          fi