release.yaml

# Copyright 2026 Google LLC
#
# 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.

# Pushing a vX.Y.Z[-PRERELEASE] tag creates a DRAFT release with generated
# notes (.github/release.yml). A maintainer edits and publishes it; see
# docs/dev/release-notes.md. Run manually to draft a release for a tag that
# has none; an existing release is never modified.
name: release
on:
  push:
    tags: ['v*']
  workflow_dispatch:
    inputs:
      tag:
        description: 'Existing tag to draft a release for (e.g. v0.3.0)'
        required: true
# Creating a release needs contents: write.
permissions:
  contents: write
concurrency:
  group: release-${{ inputs.tag || github.ref_name }}
jobs:
  draft:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@fbc6f3992d24b796d5a048ff273f7fcc4a7b6c09 # v5.1.0
      with:
        # The committer list is read from local history back to the
        # previous release tag.
        fetch-depth: 0
        persist-credentials: false
    - name: Draft release
      env:
        GH_TOKEN: ${{ github.token }}
        TAG: ${{ inputs.tag || github.ref_name }}
      run: hack/release/draft-release.sh "${TAG}"