draft-new-release.yml

name: "Draft new production release"

on:
  workflow_dispatch:
    inputs:
      major_version:
        description: 'The major version you want to release.'
        required: true
      minor_version:
        description: 'The minor version you want to release.'
        required: true
      patch_version:
        description: 'The patch version you want to release.'
        required: true

jobs:

  draft-new-release:
    name: "Draft a new release"
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Create release branch
        run: git checkout -b release/${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }}
        
      - name: Update Version Number
        uses: RadovanPelka/github-action-json@v1.0.1
        with:
          path: semver.json
          replaceWith: |
            {
              "major": "${{ github.event.inputs.major_version }}",
              "minor": "${{ github.event.inputs.minor_version }}",
              "patch": "${{ github.event.inputs.patch_version }}",
              "build": "${{ github.run_number }}"
            }

      - name: Update changelog
        uses: thomaseizinger/keep-a-changelog-new-release@1.3.0
        with:
          tag: ${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }}

      - name: Commit changelog and manifest files
        id: make-commit
        run: |
          git config --global user.name "GitHub Action Bot"
          git config --global user.email "no-reply@after-life.co"
          git add CHANGELOG.md semver.json
          git commit --message "Prepare release ${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }}"

          echo "commit=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT

      - name: Push new branch
        run: git push origin release/${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }}

      - name: Create pull request
        env:
          GH_TOKEN: ${{ secrets.CREATE_PR_TOKEN }}
        run: |
          echo -e "Hi @${{ github.actor }}!\n\nThis PR was created in response to a manual trigger of the release workflow here: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}.\nI've updated the changelog and bumped the versions in the manifest files in this commit: ${{ steps.make-commit.outputs.commit }}.\n\nMerging this PR will create a GitHub release and upload any assets that are created as part of the release build." > msg.txt
          
          export msg=$(cat msg.txt) ; gh pr create \
          --head release/${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }} \
          --base master \
          --title "Release version ${{ github.event.inputs.major_version }}.${{ github.event.inputs.minor_version }}.${{ github.event.inputs.patch_version }}.${{ github.run_number }}" \
          --reviewer ${{ github.actor }} \
          --body "$msg"