homebox/.github/workflows/binaries-publish.yaml

name: Publish Release Binaries

on:
  workflow_dispatch:
  push:
    tags: [ 'v*.*.*' ]

jobs:
  goreleaser:
    name: goreleaser
    runs-on: ubuntu-latest
    outputs:
      hashes: ${{ steps.binary.outputs.hashes }}
    permissions:
      contents: write
      packages: write
      id-token: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.24"
          cache-dependency-path: backend/go.mod

      - uses: pnpm/action-setup@v2
        with:
          version: 9.15.3

      - name: Build Frontend and Copy to Backend
        working-directory: frontend
        run: |
          pnpm install
          pnpm run build
          cp -r ./.output/public ../backend/app/api/static/

      - name: Install CoSign
        working-directory: backend
        run: |
          go install github.com/sigstore/cosign/cmd/cosign@latest

      - name: Run GoReleaser
        id: releaser
        if: startsWith(github.ref, 'refs/tags/')
        uses: goreleaser/goreleaser-action@v5
        with:
          workdir: "backend"
          distribution: goreleaser
          version: "~> v2"
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COSIGN_PWD: ${{ secrets.COSIGN_PWD }}
          COSIGN_YES: "true"

      - name: Generate binary hashes
        if: startsWith(github.ref, 'refs/tags/')
        id: binary
        env:
          ARTIFACTS: "${{ steps.releaser.outputs.artifacts }}"
        run: |
          set -euo pipefail
          
          checksum_file=$(echo "$ARTIFACTS" | jq -r '.[] | select (.type=="Checksum") | .path')
          echo "hashes=$(cat $checksum_file | base64 -w0)" >> "$GITHUB_OUTPUT"

      - name: Run GoReleaser No Release
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        uses: goreleaser/goreleaser-action@v5
        with:
          workdir: "backend"
          distribution: goreleaser
          version: "~> v2"
          args: release --clean --snapshot --skip=publish
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COSIGN_PWD: ${{ secrets.COSIGN_PWD }}
          COSIGN_YES: "true"

  binary-provenance:
    if: startsWith(github.ref, 'refs/tags/')
    needs: [ goreleaser ]
    permissions:
      actions: read # To read the workflow path.
      id-token: write # To sign the provenance.
      contents: write # To add assets to a release.
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v1.9.0
    with:
      base64-subjects: "${{ needs.goreleaser.outputs.hashes }}"
      upload-assets: true # upload to a new release

  verification-with-slsa-verifier:
    if: startsWith(github.ref, 'refs/tags/')
    needs: [goreleaser, binary-provenance]
    runs-on: ubuntu-latest
    permissions: read-all
    steps:
      - name: Install the verifier
        uses: slsa-framework/slsa-verifier/actions/installer@v2.4.0

      - name: Download assets
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PROVENANCE: "${{ needs.binary-provenance.outputs.provenance-name }}"
        run: |
          set -euo pipefail
          gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "*.tar.gz"
          gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "*.zip"
          gh -R "$GITHUB_REPOSITORY" release download "$GITHUB_REF_NAME" -p "$PROVENANCE"
      - name: Verify assets
        env:
          CHECKSUMS: ${{ needs.goreleaser.outputs.hashes }}
          PROVENANCE: "${{ needs.binary-provenance.outputs.provenance-name }}"
        run: |
          set -euo pipefail
          checksums=$(echo "$CHECKSUMS" | base64 -d)
          while read -r line; do
              fn=$(echo $line | cut -d ' ' -f2)
              echo "Verifying $fn"
              slsa-verifier verify-artifact --provenance-path "$PROVENANCE" \
                                            --source-uri "github.com/$GITHUB_REPOSITORY" \
                                            --source-tag "$GITHUB_REF_NAME" \
                                            "$fn"
          done <<<"$checksums"