github-oidc.yaml

# Copyright 2021 The Sigstore Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Test GitHub OIDC
on:
  push:
    paths:
      - '**'
      - '!**.md'
      - '!doc/**'
      - '!**.txt'
      - '!images/**'
      - '!LICENSE'
      - 'test/**'
    branches: [ 'main', 'release-*' ]
  schedule:
    - cron: '0 1 * * *' # 1AM UTC
  workflow_dispatch:

jobs:
  build:
    permissions:
      id-token: write
      packages: write
      contents: read
    env:
      GIT_HASH: ${{ github.sha }}
      GIT_VERSION: unstable
      GITHUB_RUN_ID: ${{ github.run_id }}
      GITHUB_RUN_ATTEMPT: ${{ github.run_attempt }}
      KO_PREFIX: ghcr.io/${{ github.repository }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
      - uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
        with:
          go-version: '1.20.x'
          check-latest: true
          cache: true

      # Install tools.
      - uses: ko-build/setup-ko@ace48d793556083a76f1e3e6068850c1f4a369aa # v0.6

      - name: build cosign from the HEAD
        run: |
          make cosign
          ./cosign version

      - name: Build and sign a container image
        run: |
          set -e
          # Build and publish an image.
          make sign-ci-keyless-containers

      - name: Build and sign a blob
        run: |
          set -e
          make sign-blob-experimental