install clang-format automatically

dongyuwei · dongyuwei · commit d900c6d510c4 · 2019-07-10T10:04:32.000+08:00
diff --git a/README.md b/README.md
@@ -90,7 +90,6 @@ pinyin in, English out: <br/>
 
 ## 格式化代码
 
-- `brew install clang-format`
 - `sh format-code.sh`
 
 ## CI build
diff --git a/format-code.sh b/format-code.sh
@@ -1,4 +1,7 @@
-# brew install clang-format
+if ! [ -x "$(command -v clang-format)" ]; then
+  echo 'Error: clang-format is not installed.'
+  brew install clang-format
+fi
 
 ls src/*.* | xargs clang-format -i
 ls Tests/*.* | xargs clang-format -i
