Auto license report (#13886)

Author: trask

.github/workflows/auto-license-report.yml

@@ -0,0 +1,56 @@
+name: Auto license report
+on:
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Free disk space
+        run: .github/scripts/gha-free-disk-space.sh
+
+      - name: Set up JDK for running Gradle
+        uses: actions/setup-java@c5195efecf7bdfc987ee8bae7a71cb8b11521c00 # v4.7.1
+        with:
+          distribution: temurin
+          java-version-file: .java-version
+
+      - name: Set up gradle
+        uses: gradle/actions/setup-gradle@06832c7b30a0129d7fb559bcc6e43d26f6374244 # v4.3.1
+        with:
+          cache-read-only: true
+
+      - name: Check out PR branch
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: gh pr checkout ${{ github.event.pull_request.number }}
+
+      - name: Update license report
+        run: ./gradlew generateLicenseReport --no-build-cache
+
+      - id: create-patch
+        name: Create patch file
+        run: |
+          git diff > patch
+          if [ -s patch ]; then
+            echo "exists=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Upload patch file
+        if: steps.create-patch.outputs.exists == 'true'
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        with:
+          path: patch
+          name: patch

.github/workflows/auto-update-pull-request.yml

@@ -3,6 +3,7 @@ on:
   workflow_run:
     workflows:
       - "Auto spotless"
+      - "Auto license report"
     types:
       - completed