reth/.github/workflows/release-reproducible.yml

# This workflow is for building and pushing reproducible artifacts for releases

name: release-reproducible

on:
  workflow_run:
    workflows: [release]
    types: [completed]

env:
  DOCKER_REPRODUCIBLE_IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/reth-reproducible

jobs:
  extract-version:
    name: extract version
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - name: Extract version from triggering tag
        id: extract_version
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Get the tag that points to the head SHA of the triggering workflow
          TAG=$(gh api /repos/${{ github.repository }}/git/refs/tags \
            --jq '.[] | select(.object.sha == "${{ github.event.workflow_run.head_sha }}") | .ref' \
            | head -1 \
            | sed 's|refs/tags/||')

          if [ -z "$TAG" ]; then
            echo "No tag found for SHA ${{ github.event.workflow_run.head_sha }}"
            exit 1
          fi

          echo "VERSION=$TAG" >> $GITHUB_OUTPUT
    outputs:
      VERSION: ${{ steps.extract_version.outputs.VERSION }}

  build-reproducible:
    name: build and push reproducible image and binaries
    runs-on: ubuntu-latest
    needs: [extract-version]
    permissions:
      packages: write
      contents: write
    steps:
      - uses: actions/checkout@v6
        with:
          ref: ${{ needs.extract-version.outputs.VERSION }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract Rust version
        id: rust_version
        run: |
          RUST_TOOLCHAIN=$(rustc --version | cut -d' ' -f2)
          echo "RUST_TOOLCHAIN=$RUST_TOOLCHAIN" >> $GITHUB_OUTPUT

      - name: Build reproducible artifacts
        uses: docker/build-push-action@v6
        id: docker_build
        with:
          context: .
          file: ./Dockerfile.reproducible
          build-args: |
            RUST_TOOLCHAIN=${{ steps.rust_version.outputs.RUST_TOOLCHAIN }}
            VERSION=${{ needs.extract-version.outputs.VERSION }}
          target: artifacts
          outputs: type=local,dest=./docker-artifacts
          cache-from: type=gha
          cache-to: type=gha,mode=max
        env:
          DOCKER_BUILD_RECORD_UPLOAD: false

      - name: Build and push final image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile.reproducible
          push: true
          build-args: |
            RUST_TOOLCHAIN=${{ steps.rust_version.outputs.RUST_TOOLCHAIN }}
            VERSION=${{ needs.extract-version.outputs.VERSION }}
          tags: |
            ${{ env.DOCKER_REPRODUCIBLE_IMAGE_NAME }}:${{ needs.extract-version.outputs.VERSION }}
            ${{ env.DOCKER_REPRODUCIBLE_IMAGE_NAME }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false
        env:
          DOCKER_BUILD_RECORD_UPLOAD: false

      - name: Prepare artifacts from Docker build
        run: |
          mkdir reproducible-artifacts
          cp docker-artifacts/reth reproducible-artifacts/reth-reproducible-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu
          cp docker-artifacts/*.deb reproducible-artifacts/reth-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu-reproducible.deb

      - name: Configure GPG and create artifacts
        env:
          GPG_SIGNING_KEY: ${{ secrets.GPG_SIGNING_KEY }}
          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
        run: |
          export GPG_TTY=$(tty)
          echo -n "$GPG_SIGNING_KEY" | base64 --decode | gpg --batch --import

          cd reproducible-artifacts
          tar -czf reth-reproducible-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu.tar.gz reth-reproducible-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu --remove-files
          echo "$GPG_PASSPHRASE" | gpg --passphrase-fd 0 --pinentry-mode loopback --batch -ab reth-reproducible-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu.tar.gz
          echo "$GPG_PASSPHRASE" | gpg --passphrase-fd 0 --pinentry-mode loopback --batch -ab reth-${{ needs.extract-version.outputs.VERSION }}-x86_64-unknown-linux-gnu-reproducible.deb

      - name: Upload reproducible artifacts to release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release upload ${{ needs.extract-version.outputs.VERSION }} \
            reproducible-artifacts/*