create-release.yml

name: Create Release
on:
  workflow_dispatch:
    inputs:
      version:
        description: "Version Number of Release (Format x.y.z)"
        required: true
jobs:
  create_release:
    runs-on: ubuntu-latest
    steps:
      - name: Check version number validity
        id: check-version-number
        run: |
          if [[ ! "${{ github.event.inputs.version }}" =~ ^([0-9]+)(\.)([0-9]+)(\.)([0-9]+)$ ]]; then
            echo "Given version number is not valid."
            echo "Version number is supposed to be x.y.z"
            exit 1;
          fi
      - uses: actions/checkout@v2
        with:
          ref: 'dev'
          persist-credentials: false    #credentials should not be saved in order to use custom PAT
      - uses: actions/setup-node@v2
        with:
          node-version: '14'
      - name: Create new release brach
        id: create-release-branch
        run: |
          git branch "release-${{ github.event.inputs.version }}"
          git checkout "release-${{ github.event.inputs.version }}"
      - name: New NPM version and version file
        run: |
          npm --no-git-tag-version version "${{ github.event.inputs.version }}"
          echo "${{ github.event.inputs.version }}" > VERSION
      - name: Git commit and tag
        run: |
          git config user.name "Exanion Bot"
          git config user.email travis-builds@exanion.de
          git add VERSION
          git add package*.json
          git commit -m "Created release branch for version ${{ github.event.inputs.version }}"
          git tag "${{ github.event.inputs.version }}"
      - name: Git push
        run: |
          git push --tags "https://${{ secrets.GH_PAT }}@github.com/${{ github.repository }}.git" "release-${{ github.event.inputs.version }}"