auto-version.yml

name: Auto Version

on:
  push:
    branches:
      - main
      - develop
      - 'chore/**'
      - 'hotfix/**'
      - 'fix/**'
      - 'feature/**'
      - 'release/**'
  pull_request:
    types: [ closed ]

jobs:
  auto-version:
    runs-on: ubuntu-latest
    timeout-minutes: 15
    if: github.event_name == 'push' || (github.event_name == 'pull_request' && github.event.pull_request.merged == true)
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get version info
        id: get_version_info
        run: |
          # Handle both PR and push events for branch name
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            BRANCH_NAME="${{ github.event.pull_request.head.ref }}"
          else
            BRANCH_NAME=${GITHUB_REF#refs/heads/}
          fi
          
          # Determine branch type prefix first
          if [[ $BRANCH_NAME == "develop" ]]; then
            PREFIX="dev"
          elif [[ $BRANCH_NAME == "main" ]]; then
            PREFIX="main"
          elif [[ $BRANCH_NAME == feature/* ]]; then
            PREFIX="feat"
          elif [[ $BRANCH_NAME == hotfix/* ]]; then
            PREFIX="fix"
          elif [[ $BRANCH_NAME == release/* ]]; then
            PREFIX="rel"
          else
            PREFIX="build"
          fi
          
          # Get latest version tag globally, ignoring branch prefixes
          LATEST_TAG=$(git tag --sort=-v:refname | grep -E "^v[0-9]+\.[0-9]+\.[0-9]+" | head -n1 || echo "v0.0.0")
          COMMIT_SHA=$(git rev-parse --short HEAD)
          PR_NUMBER=${{ github.event.pull_request.number }}
          COMMIT_MSG=$(git log -1 --pretty=%B)
          
          # Version bump detection
          if [[ $COMMIT_MSG == *"#major"* ]] || [[ $COMMIT_MSG == "BREAKING CHANGE:"* ]] || [[ $COMMIT_MSG == *"!"* ]]; then
            echo "bump_type=major" >> $GITHUB_OUTPUT
          elif [[ $COMMIT_MSG == *"#minor"* ]] || [[ $COMMIT_MSG == "feat:"* ]]; then
            echo "bump_type=minor" >> $GITHUB_OUTPUT
          elif [[ $COMMIT_MSG == *"#patch"* ]] || [[ $COMMIT_MSG == "fix:"* ]]; then
            echo "bump_type=patch" >> $GITHUB_OUTPUT
          else
            echo "bump_type=auto" >> $GITHUB_OUTPUT
          fi
          
          echo "latest_tag=${LATEST_TAG}" >> $GITHUB_OUTPUT
          echo "commit_sha=${COMMIT_SHA}" >> $GITHUB_OUTPUT
          echo "prefix=${PREFIX}" >> $GITHUB_OUTPUT
          echo "pr_number=${PR_NUMBER}" >> $GITHUB_OUTPUT
      - name: Bump version
        id: bump_version
        run: |
          LATEST_TAG=$(git tag --sort=-v:refname | grep -E "^v[0-9]+\.[0-9]+\.[0-9]+" | head -n1)
          if [ -z "$LATEST_TAG" ]; then
            LATEST_TAG="v0.0.0"
            echo "No existing version tag found, starting from ${LATEST_TAG}"
          fi

          COMMIT_SHA=${{ steps.get_version_info.outputs.commit_sha }}
          PREFIX=${{ steps.get_version_info.outputs.prefix }}
          PR_NUMBER=${{ steps.get_version_info.outputs.pr_number }}
          BUMP_TYPE=${{ steps.get_version_info.outputs.bump_type }}
          
          # Remove 'v' prefix and split into array
          VERSION=${LATEST_TAG#v}
          IFS='.' read -ra VERSION_PARTS <<< "$VERSION"
          
          # Version increment logic
          case $BUMP_TYPE in
            "major")
              ((VERSION_PARTS[0]++))  # Increment major
              VERSION_PARTS[1]=0      # Reset minor
              VERSION_PARTS[2]=0      # Reset patch
              ;;
            "minor")
              ((VERSION_PARTS[1]++))  # Increment minor
              VERSION_PARTS[2]=0      # Reset patch
              ;;
            "patch")
              ((VERSION_PARTS[2]++))  # Increment patch
              ;;
            "auto")
              # Default behavior based on branch type
              if [[ $PREFIX == "rel" ]]; then
                ((VERSION_PARTS[1]++))  # Increment minor for release
                VERSION_PARTS[2]=0      # Reset patch
              else
                ((VERSION_PARTS[2]++))  # Increment patch for everything else
              fi
              ;;
          esac
          
          # Create new version string
          if [[ -n $PR_NUMBER ]]; then
            NEW_VERSION="v${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.${VERSION_PARTS[2]}-${PREFIX}.pr${PR_NUMBER}.${COMMIT_SHA}"
          else
            NEW_VERSION="v${VERSION_PARTS[0]}.${VERSION_PARTS[1]}.${VERSION_PARTS[2]}-${PREFIX}.${COMMIT_SHA}"
          fi
          
          echo "new_version=${NEW_VERSION}" >> $GITHUB_OUTPUT

          # Configure git
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"

          # Update version in build.gradle.kts
          VERSION_WITHOUT_V=${NEW_VERSION#v}
          BASE_VERSION=$(echo $VERSION_WITHOUT_V | cut -d'-' -f1)
          sed -i "s/version = \".*\"/version = \"$BASE_VERSION\"/" build.gradle.kts
          
          # Stage the version update
          git add build.gradle.kts
          
          # Create commit and tag
          git commit -m "chore: release version ${NEW_VERSION} [skip ci]"
          git tag -a ${NEW_VERSION} -m "Release ${NEW_VERSION}"
          
          # Push both the commit and tag
          git push origin HEAD ${NEW_VERSION}