Gitlab pre-receive hooks适配java p3c-pmd和python pycodestyle

server环境:Centos 8

Gitlab版本:Gitlab v14.9

安装方式:docker

下面是具体的操作及文档

注意点:

  • 其中JAVA为扫描增量代码,即老代码不会去扫描,只扫描提交上来后更改行的代码,因为如果该文件中有其他历史代码,修改工作量会很大,更适用于老项目的维护开发。
  • Python为全量扫描,所以会扫描文件中的历史代码,适用于新项目的开发。

那么两种扫描方式我都已经给出了解决方案,如果需要python变成增量扫描,可以自己根据JAVA的逻辑去实现,当然肯定需要大量的调试,JAVA的这块我就调试了很久才出来的结果。

#参考材料
p3c代码仓库:
https://github.com/alibaba/p3c   下面脚本中的一个p3c-pmd-2.1.1-jar-with-dependencies.jar包,就是通过下载仓库代码,mvn package而来
https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks#_server_side_hooks
https://blog.csdn.net/gdyycn/article/details/123314790
https://github.com/geeeeeeeeek/git-recipes/wiki/5.4-Git-%E9%92%A9%E5%AD%90%EF%BC%9A%E8%87%AA%E5%AE%9A%E4%B9%89%E4%BD%A0%E7%9A%84%E5%B7%A5%E4%BD%9C%E6%B5%81
https://www.cnblogs.com/liruixin/p/15893896.html
https://zhuanlan.zhihu.com/p/548640101?utm_id=0



#参考文章:
https://www.cnblogs.com/c-moon/p/16825766.html
https://blog.csdn.net/xiaoll880214/article/details/105916898
https://github.com/github/platform-samples/tree/master/pre-receive-hooks


==========================部署操作如下,需要docker exec 进入gitlab容器后进行操作=======================================
vi /etc/gitlab/gitlab.rb
#添加一行如下
gitlab_shell['custom_hooks_dir'] = "/opt/gitlab/embedded/service/gitlab-shell/hooks"

重启gitlab以应用上面修改的配置
gitlab-ctl restart


mkdir -p /var/opt/gitlab/gitlab-hooks/
touch /var/opt/gitlab/gitlab-hooks/java-check-list.txt
touch /var/opt/gitlab/gitlab-hooks/python-check-list.txt
touch /var/opt/gitlab/gitlab-hooks/csharp-check-list.txt
mkdir -p /opt/gitlab/embedded/service/gitlab-shell/hooks/pre-receive.d
chmod 755 /opt/gitlab/embedded/service/gitlab-shell/hooks/pre-receive.d
chown -R git:git /opt/gitlab/embedded/service/gitlab-shell/hooks
vi /opt/gitlab/embedded/service/gitlab-shell/hooks/pre-receive.d/pre-receive.sh
chmod +x /opt/gitlab/embedded/service/gitlab-shell/hooks/pre-receive.d/pre-receive.sh


把文件复制到gitlab镜像的/opt/目录下
cd /opt/
chmod +x p3c-pmd-2.1.1-jar-with-dependencies.jar


官方下载openjdk,这个压缩包openlogic-openjdk-11.0.23+9-linux-x64.tar.gz,放到gitlab镜像的/opt/目录下
cd /opt/
解压到docker gitlab容器的目录下,我这里解压到/opt/jdk-11.0.23目录下,这个目录跟下面脚本中的JAVA_HOME内容保持一致
#解压openjdk压缩包
tar -xvf openlogic-openjdk-11.0.23+9-linux-x64.tar.gz
#重命名一下解压出来的文件夹为 jdk-11.0.23
mv openlogic-openjdk-11.0.23+9-linux-x64 jdk-11.0.23

#安装python所需要的检查工具
pip3 install pycodestyle --proxy=http://10.161.238.16:3128
pip3 install pep8 --proxy=http://10.161.238.16:3128



#安装eslint
export http_proxy=http://10.161.238.16:3128 && export https_proxy=http://10.161.238.16:3128
mkdir -p /opt/nodejs
cd /opt/nodejs
curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
apt-get install nodejs -y
#最新地址 淘宝 NPM 镜像站喊你切换新域名啦!
npm config set registry https://registry.npmmirror.com
npm install -g eslint @antfu/eslint-config
export http_proxy=http://10.161.238.16:3128 && export https_proxy=http://10.161.238.16:3128
#安装awk
apt-get install gawk



这里gitlab容器内有两个目录比较常用:
/opt/gitlab/embedded/service/gitlab-shell/hooks/pre-receive.d
/var/opt/gitlab/gitlab-hooks








pre-receive文件脚本内容如下:


#!/bin/bash
####### 初始化变量部分 #########
echo -e '\033[33m==================Git Hooks version 1.0, powered By Digi M&O Team, if you have any questions, please contact us.==================\033[0m'

## 定义java_home变量 需要修改你配置的java_home
JAVA_HOME=/opt/jdk-11.0.23
## 定义p3c-pmd工具jar包位置
P3C_PMD_TOOL_HOME=/opt/p3c-pmd-2.1.1-jar-with-dependencies.jar
## 是否开启commit message的校验:0是,1否
CHECK_COMMIT_MESSAGE_ON=0
## 是否开启代码检查:0是,1否
CHECK_CODE_RULE_ON=0
## 是否校验master上的pom文件是否包含snapshot:0是,1否
CHECK_MASTER_POM_SNAPSHOT_ON=1
## 注释内容最小长度,默认20
COMMIT_MESSAGE_MIN_LENGTH=20
### 代码校验规则:0使用阿里云P3C规则,1使用checkStyle
JAVA_CODE_RULE_TYPE=0
### 代码校验规则:0使用pycodestyle规则,1使用pep8
PYTHON_CODE_RULE_TYPE=0

## 定义提交开头类型字符规则
## e.g: fix:测试提交bug修复,Bug编号#12
TYPE_LIST=(
         'feat:'   #新功能feature
         'update:' #在feat内修改
         'fix:'  #修补bug
         'docs:'  #文档
         'style:' #格式化,不影响代码运行的变动
         'refactor:' #重构
         'pref:'  #性能优化
         'test:'  #增加测试
         'chore:'  #构建过程或辅助工具的变动
         'Merge'
         'merge'
         #'[ci skip]'  #忽略校验
)

# Java项目CheckList
JAVA_CHECK_LIST='/var/opt/gitlab/gitlab-hooks/java-check-list.txt'
PYTHON_CHECK_LIST='/var/opt/gitlab/gitlab-hooks/python-check-list.txt'
CSHARP_CHECK_LIST='/var/opt/gitlab/gitlab-hooks/csharp-check-list.txt'
# 判断项目是否在java检查名单内
IS_GIT_JAVA_CHECK_LIST=`/usr/bin/grep -nw "${GL_REPOSITORY}" $JAVA_CHECK_LIST`
# 判断项目是否在python检查名单内
IS_GIT_PYTHON_CHECK_LIST=`/usr/bin/grep -nw "${GL_REPOSITORY}" $PYTHON_CHECK_LIST`
# 判断项目是否在csharp检查名单内
IS_GIT_CSHARP_CHECK_LIST=`/usr/bin/grep -nw "${GL_REPOSITORY}" $CSHARP_CHECK_LIST`


# 声明一个关联数组用于保存文件名和行号的映射
declare -A file_lines_map

# 创建一个临时文件存放文件名和行号的映射
#temp_file=$(mktemp)
temp_file=""
#echo "tempfile:" $temp_file

# pmd输出内容临时文件
#pmd_out_temp_file=$(mktemp)
pmd_out_temp_file=""
#echo "pmd_out_temp_file:" $pmd_out_temp_file 

## 获取当前路径
BASE_PATH=$(cd `dirname $0`; pwd)
#echo 'BASE_PATH: '$BASE_PATH

#定义和组装校验规则
declare -a regex_list
arrLen=${#TYPE_LIST[@]}
for ((i=0;i<$arrLen;i++)) do
  regex_list[i]='^'${TYPE_LIST[i]}
done
regex_list[$arrLen+1]='^[ci skip]:'
#echo "reg_list=== "${regex_list[@]}
separator="|"
## 合并成一个完整的正则表达式
regex="$( printf "${separator}%s" "${regex_list[@]}" )"
#echo "type regex: "$regex
## 去除头部的 |
regex=${regex:${#separator}}
#echo "regex: "$regex

## 定义注释出错提示信息
tips_msg="$( printf "${separator}%s" "${TYPE_LIST[@]}" )"
tips_msg=${tips_msg:${#separator}}
validate_code_ignore=0
####### 初始化变量部分 #########

####### 校验部分:注释校验&代码分析###########
## 校验commit message
validate_commit_message()
{
   oldrev=$(git rev-parse $1)
   newrev=$(git rev-parse $2)
   refname="$3"
   #echo 'Old version: '$oldrev
   #echo 'New version: '$newrev
   #echo 'Branch: '$refname

   ## git 命令
   #GITCMD="git"
   ## 按时间倒序列出 commit  找出两个版本之间差异的版本号集合oldrev~newrev
   commitList=`git rev-list $oldrev..$newrev`
   #echo 'commitList: '$commitList

   split=($commitList)
   #echo 'split: '$split

   # 遍历数组
   for s in ${split[@]}
   do
      #echo "$s"
      #通过版本号获取仓库中对象实体的类型、大小和内容的信息
      #比如提交人、作者、邮件、提交时间、提交内容等
      currentContent=`git cat-file commit $s`
      #echo 'Commit obj: '$currentContent
      #获取提交内容
      msg=`git cat-file commit $s | sed '1,/^$/d'`
      #echo 'msg: '$msg

      if [[ "$variable" == *"--ignore"* ]]; then
        validate_code_ignore=1
      fi


      ## merge合并分之直接放行
      if [[ $msg == *"Merge branch"* ]]; then
        echo "Merge branch...skip the checking"
      else
        ## 做内容校验
        match=`echo $msg | grep -nE "(${regex})"`
        #echo 'Match result: '$match

        ## 找到匹配说明是符合规范的
        if [ "${match}" != "" ]; then
          ## 校验注释长度
          #msg_length=${#msg}
          #echo "Msg length: ${msg_length}"
          #if [[ ${msg_length} -lt ${COMMIT_MESSAGE_MIN_LENGTH} ]]; then
          #  echo -e "Error: Commit message should be bigger than ${COMMIT_MESSAGE_MIN_LENGTH} and current commit message length: ${msg_length}"
          #  exit 1
          #fi

          ### 找到匹配内容做相应处理,如fix, 校验pom文件等
          #if [[ "${match}" =~ "fix:" ]]; then
            ## 如果是修补bug,规范有点获取到fix中的ID,然后调用禅道对外的API关闭,其他场景类似
          #fi

          # 是否开启校验和master分之
          # isMaster=$(echo $refname | grep "master$")
          # if [ $CHECK_MASTER_POM_SNAPSHOT_ON == 0 ] && [ -n "$isMaster" ]; then
          #   # 如果是master分之,并且pom文件发生了变更,判断pom文件是否含有sonapshot的引用
          #   pomfile=`git diff --name-only ${oldrev} ${newrev} | grep -e "pom\.xml"`
          #   if [[ "${pomfile}" != "" ]]; then
          #     #echo $pomfile
          #     ## 获取pom文件更新的内容
          #     pomcontent=`git show $newrev:$pomfile`
          #     #echo $pomcontent
          #     ## 校验pom文件是否包含snapshot版本
          #     if [[ $pomcontent =~ 'SNAPSHOT' ]]; then
          #       echo -e "Error: Snapshot version cannot exist in master branch!"
          #       exit 1
          #     fi
          #   fi
          # fi

          ## 其他操作
          echo "Commit Success!"
        else
          echo -e "Error: Commit comments message should be started with [${tips_msg}]..."
          exit 1
        fi
      fi
   done
}

## 代码校验
validate_java_code_rules()
{
   echo 'Start java code analysis!'
   oldrev=$(git rev-parse $1)
   newrev=$(git rev-parse $2)
   refname="$3"
   #echo 'Old version: '$oldrev
   #echo 'New version: '$newrev
   #echo 'Branch: '$refname

   FILES=`git diff --name-only ${oldrev} ${newrev}  | grep -e "\.java$"`

   if [ -n "$FILES" ]; then
      # 初始化临时文件
      temp_file=$(mktemp)
      pmd_out_temp_file=$(mktemp)
      #${GL_REPOSITORY}是gitlab的内置变量,格式为project-项目id,即project-21
      TEMPDIR=$BASE_PATH/"tmp/java_tmp"/${GL_REPOSITORY}
      for FILE in ${FILES}; do
          mkdir -p "${TEMPDIR}/`dirname ${FILE}`" >/dev/null
          git show $newrev:$FILE > ${TEMPDIR}/${FILE}
       # 获取每个文件的变更行号并添加到临时文件中
       # 检查文件是否在旧版本中存在
       if git ls-tree -r $oldrev --name-only | grep -q "^${FILE}$"; then
           # 处理已有文件的变更行号
           git diff --unified=0 "$oldrev:$FILE" "$newrev:$FILE" | grep -E "^@@ " | awk -v fname="${TEMPDIR}/${FILE}" '
           {
               split($3, arr, /[,+]/)
               start_line = arr[2]
               num_lines = (length(arr) > 2) ? arr[3] : 1
               for (i = start_line; i < start_line + num_lines; i++) {
                   print fname ":" i
               }
           }' >> "$temp_file"
       else
        # 处理新增文件的所有行号
        awk -v fname="${TEMPDIR}/${FILE}" '{print fname ":" NR}' "${TEMPDIR}/${FILE}" >> "$temp_file"
       fi


      done;

      #MAIN_FILE_PATH=$TEMPDIR'/src/main'
      MAIN_FILE_PATH=$TEMPDIR
      #echo 'Temp update files path: '$MAIN_FILE_PATH


        # 读取临时文件并更新 file_lines_map 数组
        while IFS=: read -r fname line_num; do
            #echo "File: $fname, Line: $line_num"
            if [ -z "${file_lines_map[$fname]}" ]; then
                file_lines_map[$fname]="$line_num"
            else
                file_lines_map[$fname]="${file_lines_map[$fname]} $line_num"
            fi
        done < "$temp_file"

        # 删除临时文件
        rm -f "$temp_file"    





      #FILES_TO_CHECK=`find $MAIN_FILE_PATH -name '*.java'`

      #echo 'Check files:'${FILES_TO_CHECK}
      echo 'Aliyun p3c-pmd check starting.....'

      #echo 'Current shell Path:' $BASE_PATH
      #echo 'JAVA_HOME:' $JAVA_HOME
      #echo 'Root directory for java sources: '$MAIN_FILE_PATH
      #RESULT=""

      if [[ $JAVA_CODE_RULE_TYPE == 0 ]]; then
         ## 需要把阿里云P3C的插件包p3c-pmd-2.1.1-jar-with-dependencies.jar放在/opt/目录下,当然你也可以自定义。jar包来源为通过下载https://github.com/alibaba/p3c仓库代码,mvn package p3c-pmd模块代码而来
         echo -e '\033[31m==================Code analysis for Aliyun-p3c. The following output are the problem codes that need to be fixed==================\033[0m'

         $JAVA_HOME/bin/java -Dpmd.language=en -cp $P3C_PMD_TOOL_HOME net.sourceforge.pmd.PMD -d $TEMPDIR -R rulesets/java/ali-comment.xml,rulesets/java/ali-concurrent.xml,rulesets/java/ali-constant.xml,rulesets/java/ali-exception.xml,rulesets/java/ali-flowcontrol.xml,rulesets/java/ali-naming.xml,rulesets/java/ali-oop.xml,rulesets/java/ali-other.xml,rulesets/java/ali-set.xml -f text > "$pmd_out_temp_file"


         # 将关联数组转换为适合 AWK 使用的格式(键和值拼接成字符串)
            awk_input=""
            for key in "${!file_lines_map[@]}"; do
                value="${file_lines_map[$key]}"
                awk_input+="$key:$value;"
            done

            output=$(awk -F: -v pmd_out_temp_file="$pmd_out_temp_file" -v awk_input="$awk_input" '
            BEGIN {
                # 分号分隔每个
                split(awk_input, pairs, ";")
                for (i in pairs) {
                    if (pairs[i] != "") {
                        split(pairs[i], kv, ":")
                        key = kv[1]
                        value = kv[2]
                        file_lines_map[key] = value
                    }
                }
                match_line = 0
                # 在这里可以使用 file_lines_map 数组
                #for (key in file_lines_map) {
                #    print "key:", key, "value:", file_lines_map[key]
                #}
            }
            {
                file1=gensub(/[[:space:]]/, "", "g", $1)
                #print "file1: "  file1
                line_num=$2
                #print "line_num: " line_num
                message=$3
                #print "message: " message
                modified_path=gensub(/.*\\src/, "src", "g", file1)
                gsub(/\\/, "/", modified_path)  # 将 modified_path 中的 \ 替换为 /

                found = 0
                for (key in file_lines_map) {
                    #print "key: " key
                    #print "modified_path: " modified_path
                    if (key == modified_path) {
                        print "found: " found
                        found = 1
                        break
                    }
                }

                if (found) {
                    changed_lines=file_lines_map[modified_path]
                    if (index(" " changed_lines " ", " " line_num " ")) {
                        RESULT=RESULT file1 ":" line_num ":" message "\\n"
                        match_line++
                    }
                } else {
                    print "modified_path not found in file_lines_map"
                }
            }
            END {
                #if (found) {
                #    printf "%s", RESULT
                #    system("rm -rf " ENVIRON["TEMPDIR"]);
                #    exit(1);
                # }
                #printf "%s", RESULT
                #print "SCAN_RESULT=" RESULT
                print "MATCH_COUNT=" match_line
                printf "SCAN_RESULT=\"%s\"\n", RESULT
            }' "$pmd_out_temp_file"
            )

            # 删除临时文件
            rm -f "$pmd_out_temp_file"

         #SCAN_RESULT=$(echo "$output" | grep '^SCAN_RESULT=' | sed 's/^SCAN_RESULT=//')
         #SCAN_RESULT=$(echo "$output" | sed -n '/^SCAN_RESULT=/,$p')
         SCAN_RESULT=$(echo "$output" | awk '/^SCAN_RESULT=/{flag=1} flag')
         processed_result=processed_result=$(echo "$SCAN_RESULT" | sed 's/^SCAN_RESULT="//; s/\\n"$//')
         SCAN_RESULT=$processed_result
         #SCAN_RESULT=$(echo "$output" | sed -n '/^SCAN_RESULT=/,$p')
         #SCAN_RESULT=$(echo "$output" | awk '/^SCAN_RESULT=/{flag=1} flag' | printf "%s\n" "$(cat)")
         MATCH_COUNT=$(echo "$output" | grep '^MATCH_COUNT=' | sed 's/^MATCH_COUNT=//')
         #RESULT=$?
         #echo $MATCH_COUNT
         if [ "$MATCH_COUNT" -gt 0 ]; then
           echo -e $SCAN_RESULT
           rm -rf $TEMPDIR
           exit 1;
         fi
      elif [[ $JAVA_CODE_RULE_TYPE == 1 ]]; then
         ## 需要CheckStyle插件包checkstyle-8.16-all与该脚本在同级目录下,并且需要对应的CheckStyle.xml模板文件e.g:Cheetah_Checkstyle_ruleset.xml
         echo -e '\033[31m==================Code analysis for CheckStyle. The following output are the problem codes that need to be fixed==================\033[0m'
           CHECK_RESULT=`$JAVA_HOME/bin/java -jar $BASE_PATH/checkstyle-8.16-all.jar -c $BASE_PATH/Cheetah_Checkstyle_ruleset.xml $MAIN_FILE_PATH`
       if [[ $CHECK_RESULT =~ "[WARN]" ]]; then
         echo $CHECK_RESULT | sed 's/\[WARN\]/\n/g'
         rm -rf $TEMPDIR
         exit 1
       fi
      else
         ## 不支持的检查操作
         echo "Unsupported code validation rule,Please contact the administrator to check the configuration of [JAVA_CODE_RULE_TYPE] in pre-receive script!"
         rm -rf $TEMPDIR
         exit 1
      fi

      echo 'End code analysis!'

      rm -f "$temp_file"
      rm -f "$pmd_out_temp_file"
      rm -rf $TEMPDIR
   fi
}

validate_python_code_rules()
{
   #echo 'Start python code analysis!'
   #echo 'Skip python code analysis!, has no python rulesets'
   echo 'Start python code analysis!'
   oldrev=$(git rev-parse $1)
   newrev=$(git rev-parse $2)
   refname="$3"
   #echo 'Old version: '$oldrev
   #echo 'New version: '$newrev
   #echo 'Branch: '$refname

   FILES=`git diff --name-only ${oldrev} ${newrev}  | grep -e "\.py$"`

   if [ -n "$FILES" ]; then
      #${GL_REPOSITORY}是gitlab的内置变量,格式为project-项目id,即project-21
      TEMPDIR=$BASE_PATH/"tmp/python_tmp"/${GL_REPOSITORY}
      for FILE in ${FILES}; do
          mkdir -p "${TEMPDIR}/`dirname ${FILE}`" >/dev/null
          git show $newrev:$FILE > ${TEMPDIR}/${FILE}
      done;

      #MAIN_FILE_PATH=$TEMPDIR'/src/main'
      MAIN_FILE_PATH=$TEMPDIR
      #echo 'Temp update files path: '$MAIN_FILE_PATH

      #FILES_TO_CHECK=`find $MAIN_FILE_PATH -name '*.py'`

      #echo 'Check files:'${FILES_TO_CHECK}
      echo 'Pycodestyle check starting.....'

      #echo 'Current shell Path:' $BASE_PATH
      #echo 'Root directory for python sources: '$MAIN_FILE_PATH

      if [[ $PYTHON_CODE_RULE_TYPE == 0 ]]; then
         ## 需要提前安装工具, pip3 install pycodestyle
         echo -e '\033[31m==================Code analysis for Pycodestyle. The following output are the problem codes that need to be fixed==================\033[0m'
         pycodestyle $TEMPDIR
         RESULT=$?
         #echo $RESULT
         if [ $RESULT -gt 0 ]; then
           rm -rf $TEMPDIR
           exit 1;
         fi
      elif [[ $PYTHON_CODE_RULE_TYPE == 1 ]]; then
         ## 需要提前安装工具, pip3 install pep8
         echo -e '\033[31m==================Code analysis for CheckStyle. The following output are the problem codes that need to be fixed==================\033[0m'
           CHECK_RESULT=`pep8 --show-source --show-pep8 $TEMPDIR`
       if [[ $CHECK_RESULT =~ "[WARN]" ]]; then
         echo $CHECK_RESULT | sed 's/\[WARN\]/\n/g'
         rm -rf $TEMPDIR
         exit 1
       fi
      else
         ## 不支持的检查操作
         echo "Unsupported code validation rule,Please contact the administrator to check the configuration of [PYTHON_CODE_RULE_TYPE] in pre-receive script!"
         rm -rf $TEMPDIR
         exit 1
      fi

      echo 'End code analysis!'

      rm -rf $TEMPDIR
   fi
}

validate_csharp_code_rules()
{
   #echo 'Start csharp code analysis!'
   echo 'Skip csharp code analysis!, has no csharp rulesets'
}

####### 校验部分:注释校验&代码分析###########

####### 执行入口###########
pre_receive()
{

  #代码规则检查
  if [[ $CHECK_CODE_RULE_ON == 0 ]]; then


     if [ -n "$IS_GIT_JAVA_CHECK_LIST" ]; then
        #commit message 校验
        if [[ $CHECK_COMMIT_MESSAGE_ON == 0 ]]; then
            validate_commit_message $1 $2 $3
        fi
        if [[ $validate_code_ignore == 0 ]]; then
            validate_java_code_rules $1 $2 $3
        fi


     elif [ -n "$IS_GIT_PYTHON_CHECK_LIST" ]; then
        #commit message 校验
        if [[ $CHECK_COMMIT_MESSAGE_ON == 0 ]]; then
            validate_commit_message $1 $2 $3
        fi
        if [[ $validate_code_ignore == 0 ]]; then
            validate_python_code_rules $1 $2 $3
        fi


     elif [ -n "$IS_GIT_CSHARP_CHECK_LIST" ]; then
        #commit message 校验
        if [[ $CHECK_COMMIT_MESSAGE_ON == 0 ]]; then
            validate_commit_message $1 $2 $3
        fi
        if [[ $validate_code_ignore == 0 ]]; then
            validate_csharp_code_rules $1 $2 $3
        fi


     fi
  fi
}

# update hook触发会带参数执行if逻辑
# hooks脚本触发无参数执行else逻辑
if [ -n "$1" -a -n "$2" -a -n "$3" ]; then
    # Output to the terminal in command line mode - if someone wanted to
    # resend an email; they could redirect the output to sendmail
    # themselves
    pre_receive $2 $3 $1
    #echo $1'+'$2'+'$3
else
    while read oldrev newrev refname
    do
       pre_receive $oldrev $newrev $refname
       #echo $oldrev' '$newrev' '$refname
    done
fi
####### 执行入口###########
exit 0
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