Automatic semantic release-tagging based on commit title and description.

tag_compatibility.yml

name: Automatic Tagging Check

on:
  pull_request:
    branches: ["develop"]

jobs:
  create_tag:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Extract issue number and release type
      id: extract
      run: |
        ISSUE_NUMBER=$(echo "${{ github.event.pull_request.title }}" | grep -oP '#\K[0-9]+')
        RELEASE_TYPE=$(echo "${{ github.event.pull_request.title }}" | grep -oP '(?i)(patch|minor|major)')
        DESCRIPTION=$(echo "${{ github.event.pull_request.body }}")
        echo "::set-output name=issue_number::$ISSUE_NUMBER"
        echo "::set-output name=release_type::$RELEASE_TYPE"
        echo "::set-output name=description::$DESCRIPTION"

    - name: Get latest tag
      id: latest_tag
      run: |
        git fetch --tags --force
        LATEST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
        echo "::set-output name=latest_tag::$LATEST_TAG"
    - name: Set up Git
      run: |
        git config --global user.email "${{ github.actor }}@users.noreply.github.com"
        git config --global user.name "${{ github.actor }}"
        
    - name: Create tag
      run: |
        ISSUE_NUMBER="${{ steps.extract.outputs.issue_number }}"
        RELEASE_TYPE="${{ steps.extract.outputs.release_type }}"
        DESCRIPTION="${{ steps.extract.outputs.description }}"
        LATEST_TAG="${{ steps.latest_tag.outputs.latest_tag }}"
        
        IFS='.' read -ra PARTS <<< "$LATEST_TAG"
        case $RELEASE_TYPE in
          patch)
            NEW_TAG="${PARTS[0]}.${PARTS[1]}.$((PARTS[2]+1))"
            ;;
          minor)
            NEW_TAG="${PARTS[0]}.$((PARTS[1]+1)).0"
            ;;
          major)
            NEW_TAG="$((PARTS[0]+1)).0.0"
            ;;
          *)
            echo "Invalid release type: $RELEASE_TYPE"
            exit 1
            ;;
        esac
        echo "actor: ${{ github.actor }}"
        echo "email: ${{ github.actor }}@users.noreply.github.com"
        echo "Creating tag $LATEST_TAG -> $NEW_TAG will be successful!"
        echo "Description: $DESCRIPTION"

tagging.yml

name: Automatic Tagging

on:
  pull_request:
    types:
      - closed

jobs:
  create_tag:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Extract issue number and release type
      id: extract
      run: |
        ISSUE_NUMBER=$(echo "${{ github.event.pull_request.title }}" | grep -oP '#\K[0-9]+')
        RELEASE_TYPE=$(echo "${{ github.event.pull_request.title }}" | grep -oP '(?i)(patch|minor|major)')
        DESCRIPTION=$(echo "${{ github.event.pull_request.body }}")
        echo "::set-output name=issue_number::$ISSUE_NUMBER"
        echo "::set-output name=release_type::$RELEASE_TYPE"
        echo "::set-output name=description::$DESCRIPTION"

    - name: Get latest tag
      id: latest_tag
      run: |
        git fetch --tags --force
        LATEST_TAG=$(git describe --tags $(git rev-list --tags --max-count=1))
        echo "::set-output name=latest_tag::$LATEST_TAG"
    - name: Set up Git
      run: |
          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
          git config --global user.name "${{ github.actor }}"
    - name: Create tag
      run: |
        ISSUE_NUMBER="${{ steps.extract.outputs.issue_number }}"
        RELEASE_TYPE="${{ steps.extract.outputs.release_type }}"
        DESCRIPTION="${{ steps.extract.outputs.description }}"
        LATEST_TAG="${{ steps.latest_tag.outputs.latest_tag }}"
        
        IFS='.' read -ra PARTS <<< "$LATEST_TAG"
        case $RELEASE_TYPE in
          patch)
            NEW_TAG="${PARTS[0]}.${PARTS[1]}.$((PARTS[2]+1))"
            ;;
          minor)
            NEW_TAG="${PARTS[0]}.$((PARTS[1]+1)).0"
            ;;
          major)
            NEW_TAG="$((PARTS[0]+1)).0.0"
            ;;
          *)
            echo "Invalid release type: $RELEASE_TYPE"
            exit 1
            ;;
        esac

        echo "Creating tag $NEW_TAG"
        git tag -a $NEW_TAG -m "$DESCRIPTION"
        git push origin $NEW_TAG