fix: clang format broken under osx (#38427)

See: #38434

---------

Signed-off-by: Ted Xu <ted.xu@zilliz.com>

internal/core/build-support/add_cmake_license.sh

@@ -9,7 +9,7 @@ fi
 cat ${LICENSE} > /dev/null || exit -1
 
 FILES=`find ${FOLDER} \
-| grep -E "(*CMakeLists.txt$)" \
+| grep "CMakeLists.txt$" \
 | grep -v thirdparty \
 | grep -v cmake_build \
 | grep -v cmake-build \

internal/core/build-support/add_cpp_license.sh

@@ -9,7 +9,7 @@ fi
 cat ${LICENSE} > /dev/null || exit -1
 
 FILES=`find ${FOLDER} \
-| grep -E "(*\.cpp$|*\.h$|*\.cu$)" \
+| grep "(\.cpp\|\.h\|\.cu)$" \
 | grep -v thirdparty \
 | grep -v cmake_build \
 | grep -v cmake-build \

internal/core/run_clang_format.sh

@@ -6,8 +6,10 @@ else
 fi
 CorePath=$1
 
+CLANG_FORMAT=clang-format-12
+
 formatThis() {
-    find "$1" | grep -E "(*\.cpp|*\.h|*\.cc)$" | grep -v "gen_tools/templates" | grep -v "\.pb\." | grep -v "tantivy-binding.h" | xargs clang-format-12 -i
+    find "$1" | grep "(\.cpp\|\.h\|\.cc)$" | grep -v "gen_tools/templates" | grep -v "\.pb\." | grep -v "tantivy-binding.h" | xargs $CLANG_FORMAT -i
 }
 
 formatThis "${CorePath}/src"

scripts/check_cpp_fmt.sh

@@ -30,14 +30,7 @@ pushd $CPP_SRC_DIR
 ./run_clang_format.sh .
 popd
 
-if [[ $(uname -s) == "Darwin" ]]; then
-  if ! brew --prefix --installed grep >/dev/null 2>&1; then
-        brew install grep
-  fi
-  export PATH="/usr/local/opt/grep/libexec/gnubin:$PATH"
-fi
-
-check_result=$(git status | grep -E "*\.h|*\.hpp|*\.cc|*\.cpp")
+check_result=$(git status | grep -E "\.h\|\.hpp\|\.cc\|\.cpp")
 echo "check_result: $check_result"
 if test -z "$check_result"; then
   exit 0