背景

最近“从开源到跑路”的事件逐渐增多，给涉事企业造成了不小的损失。因而相关的防范工作显得愈发重要。

客观而言，人为手动的防范显得原始和笨拙，好在git提供了相关的钩子方法，为我们这里的防范提供了可行性。

这里我们以 git push 命令对应的 pre-push 钩子为例，因为想要开源出去，这个命令通常是必须执行的。

编写 git pre-hook

shell 脚本

!/bin/sh

# An example hook script to verify what is about to be pushed.  Called by "git
# push" after it has checked the remote status, but before anything has been
# pushed.  If this script exits with a non-zero status nothing will be pushed.
#
# This hook is called with the following parameters:
#
# $1 -- Name of the remote to which the push is being done
# $2 -- URL to which the push is being done
#
# If pushing without using a named remote those arguments will be equal.
#
# Information about the commits which are being pushed is supplied as lines to
# the standard input in the form:
#
#   <local ref> <local sha1> <remote ref> <remote sha1>
#
# This sample shows how to prevent push of commits where the log message starts
# with "WIP" (work in progress).

remote="$1"
url="$2"
echo $url

if [[ $url == *"git@github.com"* ]]; then
    echo "github repo refused to push"
    exit 1
fi

if [[ $url == *"https://github.com"* ]]; then
    echo "github repo refused to push"
    exit 1
fi


z40=0000000000000000000000000000000000000000

while read local_ref local_sha remote_ref remote_sha
do
  if [ "$local_sha" = $z40 ]
  then
      # Handle delete
      :
  else
      if [ "$remote_sha" = $z40 ]
      then
          # New branch, examine all commits
          range="$local_sha"
      else
          # Update to existing branch, examine new commits
          range="$remote_sha..$local_sha"
      fi

      # Check for WIP commit
      commit=`git rev-list -n 1 --grep '^WIP' "$range"`
      if [ -n "$commit" ]
      then
          echo >&2 "Found WIP commit in $local_ref, not pushing"
          exit 1
      fi
  fi
done

exit 0

拦截代码解释

remote="$1"
url="$2"
echo $url

if [[ $url == *"git@github.com"* ]]; then
    echo "github repo refused to push"
    exit 1
fi

if [[ $url == *"https://github.com"* ]]; then
    echo "github repo refused to push"
    exit 1
fi

拦截git协议的到github远程仓库的push请求

拦截https协议的到github远程仓库的push请求

除此之外，我们还可以做什么

可以根据自身需要增加git@gitee.com等屏蔽

根据需要，可以判定仓库名称来屏蔽。

编写shell语句，实现更加复杂的拦截处理

完整文件地址: https://asset.droidyue.com/content/pre-push

设置生效

针对单个Repo生效

将上述 pre-push 放入项目的 .git/hooks/ 下面即可

针对全局生效

git 2.9 开始支持 设置全局 git hook 路径

执行以下步骤

（1）命令设置

git config --global core.hooksPath  /Users/yourUserName/.git/hooks

（2）文件放入指定位置

将上述 pre-push 放入 /Users/yourUserName/.git/hooks

（3）支持文件可执行权限

chmod a+x your_pre_push_hook_path

拓展阅读

gitignore 生成利器

参考资料

防手抖开源之 Git 钩子