.github/workflows/release.yml

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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: Release

on:
  push:
    tags: [ "v*.*.*" ]
  workflow_dispatch:

permissions:
  contents: read

env:
  CARGO_INCREMENTAL: "0"
  CARGO_TERM_COLOR: always
  RUSTUP_TOOLCHAIN: stable

concurrency:
  group: release-${{ github.ref }}
  cancel-in-progress: false

jobs:
  check:
    name: Check package
    runs-on: ubuntu-24.04
    timeout-minutes: 30
    outputs:
      version: ${{ steps.package.outputs.version }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0
      - name: Install stable toolchain
        run: >-
          rustup toolchain install stable
          --profile minimal
          --no-self-update
      - id: package
        name: Read package version
        shell: bash
        run: |
          version="$(cargo metadata --no-deps --format-version 1 | jq --raw-output '.packages[] | select(.name == "asyncband") | .version')"
          if [[ ! "${version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "The asyncband package version must be a stable X.Y.Z version, got: ${version}" >&2
            exit 1
          fi
          echo "version=${version}" >> "${GITHUB_OUTPUT}"
      - name: Check tag
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        shell: bash
        env:
          PACKAGE_VERSION: ${{ steps.package.outputs.version }}
        run: |
          case "${GITHUB_REF_NAME}" in
            "v${PACKAGE_VERSION}")
              ;;
            "v${PACKAGE_VERSION}-rc."*)
              rc="${GITHUB_REF_NAME#v${PACKAGE_VERSION}-rc.}"
              if [[ ! "${rc}" =~ ^[1-9][0-9]*$ ]]; then
                echo "Invalid release candidate tag: ${GITHUB_REF_NAME}" >&2
                exit 1
              fi
              ;;
            *)
              echo "Tag ${GITHUB_REF_NAME} does not match package version ${PACKAGE_VERSION}." >&2
              exit 1
              ;;
          esac
          git fetch --no-tags origin main:refs/remotes/origin/main
          tag_commit="$(git rev-parse "${GITHUB_REF_NAME}^{commit}")"
          if ! git merge-base --is-ancestor "${tag_commit}" origin/main; then
            echo "Release tag ${GITHUB_REF_NAME} does not point to a commit on main." >&2
            exit 1
          fi
      - name: Check crates.io package
        run: cargo publish --package asyncband --locked --dry-run

  publish:
    name: Publish to crates.io
    # Only the final tag approved through the ASF release vote may publish to crates.io.
    if: ${{ github.ref == format('refs/tags/v{0}', needs.check.outputs.version) }}
    needs: check
    runs-on: ubuntu-24.04
    timeout-minutes: 30
    environment: release
    permissions:
      contents: read
      id-token: write
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      - name: Install stable toolchain
        run: >-
          rustup toolchain install stable
          --profile minimal
          --no-self-update
      - id: auth
        name: Authenticate with crates.io
        uses: rust-lang/crates-io-auth-action@c6f97d42243bad5fab37ca0427f495c86d5b1a18 # v1.0.5
      - name: Publish asyncband
        run: cargo publish --package asyncband --locked
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}