name: Release Automation

on:
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"

concurrency: ci-release-automation

permissions:
  contents: read

jobs:
  goreleaser:
    timeout-minutes: 60
    outputs:
      hashes: ${{ steps.hash.outputs.hashes }}
    permissions:
      contents: write # for goreleaser/goreleaser-action to create a GitHub release
      packages: write # for goreleaser/goreleaser-action to publish docker images
    runs-on: ubuntu-latest
    env:
      # Required for buildx on docker 19.x
      DOCKER_CLI_EXPERIMENTAL: "enabled"
    steps:
      - name: Checkout
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
        with:
          fetch-depth: 0
      - uses: docker/setup-qemu-action@e81a89b1732b9c48d79cd809d8d81d79c4647a18 # v2
      - uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # v2
      - name: Set up Go
        uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34
        with:
          go-version: 1.24
          check-latest: true
      - name: ghcr-login
        uses: docker/login-action@dd4fa0671be5250ee6f50aedf4cb05514abda2c7 # v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Run GoReleaser
        id: run-goreleaser
        uses: goreleaser/goreleaser-action@286f3b13b1b49da4ac219696163fb8c1c93e1200 # v6.0.0
        with:
          distribution: goreleaser
          version: "~> v2"
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GORELEASER_GITHUB_TOKEN }}

      - 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@f7dd8c54c2067bafc12ca7a55595d5ee9b75204a # v2.1.0
    with:
      base64-subjects: "${{ needs.goreleaser.outputs.hashes }}"
      upload-assets: true
      private-repository: false