fix clang-format script

.circleci/config.yml

@@ -155,6 +155,7 @@ workflows:
           requires:
             - build
             - test
+            - cpp_test
             - wasm_test
             - integration_test
             - zokrates_js_build

scripts/clang-format.sh

@@ -1,17 +1,8 @@
 #!/bin/bash
+# Usage: ./clang-format.sh zokrates_core/lib
 
 dir=$1
-ret=0
 
 for file in $dir/*.cpp $dir/*.hpp; do
   clang-format -i -style=WebKit -verbose $file
-  out=$(git diff --exit-code $file)
-
-  if [ $? -ne 0 ]; then
-    ret=1
-    echo "ERROR: clang-format diff in: $file"
-    echo "$out"
-  fi
 done
-
-exit $ret