release.yaml

name: release

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

permissions:
  contents: read

jobs:
  goreleaser:
    outputs:
      hashes: ${{ steps.hash.outputs.hashes }}
      version: ${{ steps.hash.outputs.version }}
    runs-on: ubuntu-latest
    permissions:
      contents: write
      id-token: write
      packages: write
    steps:
      - name: Checkout
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
      - name: Unshallow
        run: git fetch --prune --unshallow
      - name: Setup Go
        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
        with:
          go-version: 1.20.x
          cache-dependency-path: |
            **/go.sum
            **/go.mod
      - name: Setup Syft
        uses: anchore/sbom-action/download-syft@78fc58e266e87a38d4194b2137a3d4e9bcaf7ca1 # v0.14.3
      - name: Run GoReleaser
        id: run-goreleaser
        uses: goreleaser/goreleaser-action@336e29918d653399e599bfca99fadc1d7ffbc9f7 # v4.3.0
        with:
          version: latest
          args: release --skip-validate
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_TOKEN }}
      - name: Generate SLSA subject
        id: hash
        env:
          ARTIFACTS: "${{ steps.run-goreleaser.outputs.artifacts }}"
        run: |
          set -euo pipefail

          hashes=$(echo $ARTIFACTS | jq --raw-output '.[] | {name, "digest": (.extra.Digest // .extra.Checksum)} | select(.digest) | {digest} + {name} | join("  ") | sub("^sha256:";"")' | base64 -w0)
          if test "$hashes" = ""; then # goreleaser < v1.13.0
            checksum_file=$(echo "$ARTIFACTS" | jq -r '.[] | select (.type=="Checksum") | .path')
            hashes=$(cat $checksum_file | base64 -w0)
          fi
          echo "hashes=$hashes" >> $GITHUB_OUTPUT
          echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_OUTPUT

  provenance:
    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@v1.7.0
    with:
      provenance-name: "timoni_${{ needs.goreleaser.outputs.version }}_provenance.intoto.jsonl"
      base64-subjects: "${{ needs.goreleaser.outputs.hashes }}"
      upload-assets: true # upload to a new release