[ci-skip] update .github dir

.github/workflows/auto-update.yml

@@ -0,0 +1,82 @@
+name: Automatically Upstream Purpur
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout DivineMC repository
+        uses: actions/checkout@main
+        with:
+          path: 'DivineMC'
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Checkout Purpur repository
+        uses: actions/checkout@main
+        with:
+          path: 'Purpur'
+          repository: "PurpurMC/Purpur"
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Get Purpur latest commit Hash
+        id: purpurCommit
+        run: |
+          cd Purpur
+          echo "purpurRef=$(git rev-parse HEAD)" >> $GITHUB_OUTPUT
+
+      - name: Get Current Purpur commit Hash
+        id: currPurpurRef
+        run: |
+          cd DivineMC
+          currPurpurRef=$(grep "^purpurRef\s*=" gradle.properties | sed 's/^purpurRef\s*=\s*//')
+          echo "currPurpurRef=$currPurpurRef" >> $GITHUB_OUTPUT
+
+      - name: Update purpurRef in DivineMC
+        run: |
+          cd DivineMC
+          sed -i "s/\(purpurRef\s*=\s*\).*/\1$PURPUR_REF/" gradle.properties
+        env:
+          PURPUR_REF: ${{ steps.purpurCommit.outputs.purpurRef }}
+
+      - name: Setup Git and Gradle
+        run: |
+          cd DivineMC
+          git config --global user.email "action@github.com"
+          git config --global user.name "Github Action"
+          chmod +x gradlew
+
+      - name: Setup JDK 21
+        uses: actions/setup-java@main
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+
+      - name: Running tests before push
+        run: |
+          cd DivineMC
+          if ! git diff --quiet; then
+            echo "Running tests...."
+            ./gradlew applyAllPatches
+            ./gradlew build -x test
+            ./gradlew rebuildPurpurPatches
+            ./gradlew rebuildAllServerPatches
+          fi
+
+      - name: Check for changes and write to repository
+        run: |
+          cd DivineMC
+          if ! git diff --quiet; then
+            echo "Writing to repo....."
+            git add .
+            chmod +x ./scripts/upstreamCommit.sh
+            ./scripts/upstreamCommit.sh $CURR_PURPUR_REF
+            git push
+          else
+            echo "No changes to commit."
+          fi
+        env:
+          CURR_PURPUR_REF: ${{ steps.currPurpurRef.outputs.currPurpurRef }}