draft-new-release.yml

name: Draft new release

on:
  workflow_dispatch:
    inputs:
      version:
        description: The version you want to release. Must be a valid semver version.
        required: true
        type: string

jobs:
  draft-new-release:
    if: startsWith(github.event.inputs.version, 'v')
    name: Draft a new release
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Create release branch
        run: git checkout -b release/${{ github.event.inputs.version }}

      - name: Update changelog
        uses: thomaseizinger/keep-a-changelog-new-release@1.1.0
        with:
          version: ${{ github.event.inputs.version }}

      - name: Initialize mandatory git config
        run: |
          git config user.name "GitHub Actions"
          git config user.email noreply@github.com

      - name: Bump version
        run: npm version ${{ github.event.inputs.version }} --git-tag-version false

      - name: Commit changelog and manifest files
        id: make-commit
        run: |
          git add CHANGELOG.md package.json package-lock.json
          git commit --message "Prepare release ${{ github.event.inputs.version }}"
          echo "::set-output name=commit::$(git rev-parse HEAD)"
      
      - name: Push new branch
        run: git push origin release/${{ github.event.inputs.version }}

      - name: Create pull request for master
        uses: thomaseizinger/create-pull-request@1.0.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          head: release/${{ github.event.inputs.version }}
          base: master
          title: "Release version ${{ github.event.inputs.version }}"
          reviewers: ${{ github.actor }}
          body: |
            Hi @${{ github.actor }}!

            This PR was created in response to a manual trigger of the release workflow here: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}.
            I've updated the changelog and bumped the versions in the manifest files in this commit: ${{ steps.make-commit.outputs.commit }}.

      - name: Create pull request for develop
        uses: thomaseizinger/create-pull-request@1.0.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          head: release/${{ github.event.inputs.version }}
          base: develop
          title: "Release version ${{ github.event.inputs.version }}"
          reviewers: ${{ github.actor }}
          body: |
            Hi @${{ github.actor }}!

            This PR was created in response to a manual trigger of the release workflow here: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}.
            I've updated the changelog and bumped the versions in the manifest files in this commit: ${{ steps.make-commit.outputs.commit }}.