name: Post Release - Bump Version

on:
  push:
    tags:
      - 'v*'

jobs:
  bump:
    runs-on: docker
    
    steps:
      - name: Checkout main
        uses: actions/checkout@v3
        with:
          ref: master

      - name: Set up JDK
        uses: actions/setup-java@v4
        with:
          java-version: 17
          distribution: 'temurin'

      - name: Bump to next SNAPSHOT version
        run: |
          CURRENT=$(echo "${GITHUB_REF##refs/tags/v}")
          MAJOR=$(echo $CURRENT | cut -d. -f1)
          MINOR=$(echo $CURRENT | cut -d. -f2)
          PATCH=$(echo $CURRENT | cut -d. -f3)
          NEXT_PATCH=$((PATCH + 1))
          NEXT_VERSION="$MAJOR.$MINOR.$NEXT_PATCH-SNAPSHOT"

          mvn versions:set -DnewVersion=$NEXT_VERSION
          mvn versions:commit

          git config user.name "forgejo-actions"
          git config user.email "ci@forgejo.local"
          git commit -am "Start next development cycle $NEXT_VERSION"
          git push origin main