release.yaml

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: read

jobs:
  goreleaser:
    outputs:
      hashes: ${{ steps.hash.outputs.hashes }}
    permissions:
      contents: write  # for goreleaser/goreleaser-action to create a GitHub release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          # Allow goreleaser to access older tag information.
          fetch-depth: 0

      - uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
        with:
          go-version-file: 'go.mod'

      - name: Install Syft
        uses: anchore/sbom-action/download-syft@df80a981bc6edbc4e220a492d3cbe9f5547a6e75 # v0.17.9

      - name: Import GPG key
        uses: crazy-max/ghaction-import-gpg@cb9bde2e2525e640591a934b1fd28eef1dcaf5e5 # v6.2.0
        id: import_gpg
        with:
          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.PASSPHRASE }}
      - name: Run GoReleaser
        id: run-goreleaser
        uses: goreleaser/goreleaser-action@9ed2f89a662bf1735a48bc8557fd212fa902bebf # v6.1.0
        with:
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}

      - name: Generate subject
        id: hash
        env:
          ARTIFACTS: "${{ steps.run-goreleaser.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"

  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@v2.0.0 # not pinned to avoid breaking it, use it to target refs/tags/vX.Y.Z
    with:
      base64-subjects: "${{ needs.goreleaser.outputs.hashes }}"
      upload-assets: true # upload to a new release