fix the reusable precommit

   so it runs on the correct commit sha

Author: MintsInc

.github/workflows/reusable-pre-commit.yml

@@ -64,15 +64,22 @@ jobs:
           java-version: "16"
           distribution: "temurin"
           cache: "maven"
+      - name: Determine pre-commit range
+        id: commit_range
+        run: |
+          FROM_REF=$(git merge-base HEAD origin/master)
+          echo "from_ref=$FROM_REF" >> $GITHUB_OUTPUT
+          echo "to_ref=HEAD" >> $GITHUB_OUTPUT
+          echo "Pre-commit will check from $FROM_REF to HEAD"
       - id: pre_commit
         name: Run pre-commit
         if: github.event.action != 'closed' && github.event.pull_request.merged != true
         run: |
           wget https://github.com/google/google-java-format/releases/download/v1.16.0/google-java-format-1.16.0-all-deps.jar -O google-java-format.jar
           pre-commit run --verbose --from-ref "${FROM_REF}" --to-ref "${TO_REF}" --show-diff-on-failure --color=always
         env:
-          FROM_REF: ${{ github.event.pull_request.base.sha }}
-          TO_REF: ${{ github.event.pull_request.head.sha }}
+          FROM_REF: ${{ steps.commit_range.outputs.from_ref }}
+          TO_REF: ${{ steps.commit_range.outputs.to_ref }}
       - name: Commit changes
         if: failure() && inputs.enable-commit-changes && github.event.pull_request.head.repo.full_name == github.repository
         run: |-