build.yml

name: Build Java Project

on:
  push:
    branches:
      - main
      - 'input*'
  pull_request:
    branches:
      - main
      - 'input*'

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Java
        uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: '21'

      - name: Cache Gradle dependencies
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            gradle-${{ runner.os }}-

      - name: List root directory (debug)
        run: ls -l

      - name: Make Gradle executable
        run: chmod +x ./gradlew

      - name: List project directory (debug)
        run: ls -l .

      - name: Build with Gradle
        run: ./gradlew build --parallel --build-cache

      - name: List build/libs directory (debug)
        run: ls -l build/libs || echo "No JAR built"

      - name: Move input and run insert
        run: |
          ACTOR="${{ github.actor }}"
          if [ "$ACTOR" = "arnaudroques" ]; then
            ACTOR="plantuml@gmail.com"
          fi
          mv input raw
          java -jar build/libs/pdiff-all.jar insert -u "$ACTOR"
          
      - name: Setup Git
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"

      - name: Create new branch and commit generated files
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          BRANCH_NAME="auto-branch-$(date +'%Y%m%d%H%M%S')"
          git checkout -b "$BRANCH_NAME"
          git add db/
          if git diff --cached --quiet; then
            echo "No changes to commit. Skipping push."
          else
            git commit -m "Add generated files in /db"
            git push origin "$BRANCH_NAME"
          fi
          
      - name: Upload JAR Artifact
        uses: actions/upload-artifact@v4
        with:
          name: pdiff-jar
          path: build/libs/*.jar