improve swift-format checks -- same as mlx-swift (#399)

Author: davidkoski

.circleci/config.yml

@@ -29,8 +29,7 @@ jobs:
           command: |
             pip install pre-commit
             brew install swift-format
-            pre-commit run --all
-            if ! git diff --quiet; then echo 'Style checks failed, please install pre-commit and run pre-commit run --all and push the change'; exit 1; fi
+            pre-commit run --all || (echo "Style checks failed, please install pre-commit and run pre-commit run --all and push the change"; echo ""; git --no-pager diff; exit 1)
       - run:
           name: Run Tests (Xcode, macOS)
           command: |

.pre-commit-config.yaml

@@ -1,8 +1,10 @@
 repos:
+
 - repo: local
   hooks:
     - id: swift-format
       name: swift-format
       language: system
-      entry: swift-format --in-place
-      files: '\.swift$'
+      entry: swift-format format --in-place --configuration .swift-format --recursive .
+      require_serial: true
+      types: [swift]