release.yml

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# distributed with this work for additional information
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# 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:
      # Trigger workflow when a tag whose name matches the pattern
      # pattern "apache-arrow-{MAJOR}.{MINOR}.{PATCH}" is pushed.
      - "apache-arrow-[0-9]+.[0-9]+.[0-9]+"

permissions:
  contents: write

env:
  GH_TOKEN: ${{ github.token }}

jobs:
  publish:
    name: Publish 
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Get Tag Name of Latest Release Candidate
        run: |
          rc_tag=$(gh release list --repo apache/arrow | \
                    cut -f3 | \
                    grep -F "${GITHUB_REF_NAME}-rc" | \
                    head -n1)
          echo "Latest Release Candidate Tag: ${rc_tag}"
          echo "RELEASE_CANDIDATE_TAG_NAME=${rc_tag}" >> ${GITHUB_ENV}
      - name: Store Version and Release Candidate Number
        run: |
          version_with_rc=${RELEASE_CANDIDATE_TAG_NAME#apache-arrow-}
          version=${version_with_rc%-rc*}
          rc_num=${version_with_rc#${version}-rc}
          echo "VERSION_WITH_RC=${version_with_rc}" >> ${GITHUB_ENV}
          echo "VERSION=${version}" >> ${GITHUB_ENV}
          echo "RC_NUM=${rc_num}" >> ${GITHUB_ENV}
      - name: Download Release Candidate Artifacts 
        run: |
          mkdir release_candidate_artifacts
          gh release download ${RELEASE_CANDIDATE_TAG_NAME} --repo apache/arrow --dir release_candidate_artifacts
      - name: Create Release Title
        run: |
          title="Apache Arrow ${VERSION}"
          echo "RELEASE_TITLE=${title}" >> ${GITHUB_ENV}
      # Set the release notes to "TODO" temporarily. After the release notes page
      # (https://arrow.apache.org/release/{VERSION}.html) is published, use 
      # gh release edit to update the release notes to refer to the newly 
      # pushed web page. See dev/post/post-05-update-gh-release-notes.sh
      - name: Create GitHub Release
        run: |
          gh release create ${GITHUB_REF_NAME} \
            --repo apache/arrow \
            --verify-tag \
            --title "${RELEASE_TITLE}" \
            --notes "TODO" \
            release_candidate_artifacts/*