create_release.yml

#
# Copyright 2018 ABSA Group Limited
#
# 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: Create a new release

on:
  workflow_dispatch:
    inputs:
      release-version:
        description: "Define the release version (e.g., v4.7.0)"
        required: true
        default: ""
      development-version:
        description: "Define the snapshot version (e.g., v4.7.1)"
        required: true
        default: ""

jobs:
  create-release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # Fetch all history for all tags and branches

      - name: Validate format of received tag
        uses: actions/github-script@v7
        with:
          script: |
            const releaseVersion = core.getInput('release-version');
            const developmentVersion = core.getInput('development-version');
            const regex = /^v[0-9]+\.[0-9]+\.[0-9]+$/;
            if (!regex.test(releaseVersion)) {
              core.setFailed('Release version does not match the required format "v[0-9]+.[0-9]+.[0-9]+". Valid example: v0.5.2');
              return;
            }
            if (!regex.test(developmentVersion)) {
              core.setFailed('Development version does not match the required format "v[0-9]+.[0-9]+.[0-9]+". Valid example: v0.5.2');
              return;
            }
          release-version: ${{ github.event.inputs.release-version }}
          development-version: ${{ github.event.inputs.development-version }}

      - name: Define semantic version number
        id: semantic_version
        run: |
          RELEASE_VERSION="${{ github.event.inputs.release-version }}"
          RELEASE_VERSION_WITHOUT_V=${RELEASE_VERSION#v}

          DEVELOPMENT_VERSION="${{ github.event.inputs.development-version }}"
          DEVELOPMENT_VERSION_WITHOUT_V=${DEVELOPMENT_VERSION#v}

          echo "RELEASE_VERSION_WITHOUT_V=${RELEASE_VERSION_WITHOUT_V}" >> "${GITHUB_ENV}"
          echo "DEVELOPMENT_VERSION_WITHOUT_V=${DEVELOPMENT_VERSION_WITHOUT_V}" >> "${GITHUB_ENV}"
      - name: Configure Git
        run: |
          git config --global user.name "${{ github.actor }}"
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
      - name: Create release branch
        run: |
          git checkout -b release/${RELEASE_VERSION_WITHOUT_V}
          git push origin release/${RELEASE_VERSION_WITHOUT_V}
      - name: Set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: '1.8'

      - name: Set Maven project version, create tag
        run: |
          git pull origin release/${RELEASE_VERSION_WITHOUT_V}
          mvn versions:set -DnewVersion=${RELEASE_VERSION_WITHOUT_V} --no-transfer-progress
          mvn versions:commit
          git commit -am "Set project version to ${RELEASE_VERSION_WITHOUT_V}"
          git push origin release/${RELEASE_VERSION_WITHOUT_V}
      - name: Create tag
        run: |
          git tag ${{ github.event.inputs.release-version }}
          git push origin ${{ github.event.inputs.release-version }}
      - name: Set next development version
        run: |
          # Assumes semantic versioning and increments the minor version. Adjust the awk command as needed for different versioning schemes.
          NEXT_VERSION=$(echo ${DEVELOPMENT_VERSION_WITHOUT_V} | awk -F. '{print $1"."$2"."$3"-SNAPSHOT"}')
          mvn versions:set -DnewVersion=$NEXT_VERSION --no-transfer-progress
          mvn versions:commit
          git commit -am "Set project version to $NEXT_VERSION"
          git push origin release/${RELEASE_VERSION_WITHOUT_V}
      - name: Get Default Branch
        id: get_default_branch
        uses: actions/github-script@v7
        with:
          script: |
            const response = await github.rest.repos.get({
              owner: context.repo.owner,
              repo: context.repo.repo
            });
            return response.data.default_branch;
      - name: Create Pull Request
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const branch = `release/${process.env.RELEASE_VERSION_WITHOUT_V}`;
            await github.rest.pulls.create({
              owner: context.repo.owner,
              repo: context.repo.repo,
              title: 'Release ${{ github.event.inputs.release-version }}',
              head: branch,
              base: ${{ steps.get_default_branch.outputs.result }},
              body: 'Pull request to merge release ${{ github.event.inputs.release-version }} into default branch',
              draft: false
            });
      - name: Create Draft Release
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          name: ${{ github.event.inputs.release-version }}
          body: ${{ steps.generate_release_notes.outputs.releaseNotes }}
          tag_name: ${{ github.event.inputs.release-version }}
          draft: true
          prerelease: false