release.yml

name: release

# run only on tags
on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write # needed to write releases
  id-token: write # needed for keyless signing
  packages: write # needed for push images

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
        with:
          fetch-depth: 0 # this is important, otherwise it won't checkout the full tree (i.e. no previous tags)

      - uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        with:
          go-version: '1.22'
          check-latest: true

      - uses: imjasonh/setup-crane@e82f1b9a8007d399333baba4d75915558e9fb6a4 # v0.2

      - uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0

      - uses: anchore/sbom-action/download-syft@ab5d7b5f48981941c4c5d6bf33aeb98fe3bae38c # v0.15.10

      - name: Set env
        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> "$GITHUB_ENV"

      - name: Login to GitHub Containers
        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - uses: goreleaser/goreleaser-action@7ec5c2b0c6cdda6e8bbb49444bc797dd33d74dd8 # v5.0.0
        with:
          version: latest
          args: release --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          KO_DOCKER_REPO: ghcr.io/sigstore/gitsign

      - name: sign image
        run: |
          digest=$(crane digest ghcr.io/sigstore/gitsign:${{ env.RELEASE_VERSION }})
          cosign sign "ghcr.io/sigstore/gitsign@${digest}"
        env:
          COSIGN_YES: true