获取代码库中最新的版本号

version=()

for var in `git branch -a | grep -v master | grep -v \*`; 
do 
    new_version=`echo $var | awk -F '/' '{print $3}'`; 
    version[${#version[*]}]=$new_version; 
done

for var in ${version[@]};
do 
    echo $var >> a.file
done

newest_version=`cat a.file | sort -rV | head -n 1`
echo $newest_version