#! /bin/bash
# @author:haloo#
#@func:pre-commit#
## cp ./checkstyle/pre-commit  ./.git/hooks/

echo 避免NPE是程序员的基本修养
echo 开始style checking

wd=`pwd`
echo "当前工作目录：$wd"

# check-style版本号
check_style_version="checkstyle-8.38-all.jar"
check_style_xml_name="GeekCheckStyle.xml"
check_jar_path="$wd/checkstyle/$check_style_version"
check_xml_path="$wd/checkstyle/$check_style_xml_name"

## 清空temp文件

rm -f temp

is_err=0
errorCount=0
warnCount=0

## 查找add到git 缓冲区中，以.java后缀的文件
for file in `git status --porcelain | sed s/^...// | grep '\.java$'`; do
    path="$wd/$file"
    echo "检查文件: $path"
    re=`java -jar $check_jar_path -c $check_xml_path $path >> temp`

    warn=`cat temp | grep "WARN"`
    if [[ $warn = *"WARN"* ]];then
        echo "${warn}"
        needle="WARN"
        number_of_occurrences=$(grep -o "$needle" <<< "$warn" | wc -l)
        ((warnCount = warnCount + number_of_occurrences))
        is_err=1
     fi

    err=`cat temp | grep "ERROR"`
    if [[ $err = *"ERROR"* ]];then
         echo "${err}"
         needle="ERROR"
         number_of_occurrences=$(grep -o "$needle" <<< "$err" | wc -l)
         ((errorCount = errorCount + number_of_occurrences))
         is_err=1
    fi
done

echo "检查完成,祝你好运"

rm -f temp

if [ $is_err -ne  0 ];then
    echo "出现了 $errorCount 个error"
    echo "出现了 $warnCount 个warn"
    echo "请先符合style才能提交"
    exit 1
fi
echo "No Bug ,It is Good!!"
exit 0