checkstyle when pre commit

pre-commit.sh

#!/bin/bash

wd=`pwd`


function print(){
    echo "===========$*============"
}

print "Start check style for Java"

check_jar_path="$wd/config/checkstyle-8.30-all.jar"
check_xml_path="$wd/config/google_checks.xml"

rm -f temp

is_err=0

for file in `git status --porcelain | sed s/^...// | grep '\.java$'`;do
    path="$wd/$file"
    print "Checking file：$path"
    re=`java -jar $check_jar_path -c $check_xml_path $path >> temp`
    err=`cat temp | grep "ERROR"`
    if [[ $err = *"ERROR"* ]];then
        print "$err"
        is_err=1
    fi
done

print "Checking completed，God bless you！"

rm -f temp

if [ $is_err -ne 0 ]
then
    print "Check failed，you should fix it!"
    exit 1
fi

exit 0

1. init.sh

#!/bin/bash -e
 cp pre-commit ../../.git/hooks/
 chmod +x ../../.git/hooks/pre-commit

2. 注意 print "$err" 要加双引号，确保输出的换行符显示正常