Git钩子Script之客户端`pre-push`

发表于

有个童鞋说，老是会忘记当前分支和误推了master，有没有办法防止这种低级错误。好吧，发生这种事，其实是那个repo没有设置服务器钩子脚本，来防止客户端的推送操作（我们用的不是gitlab，没有那种功能，暂时是人为终端控制）。%>_<%，我们要实现童鞋想要的功能，需要使用到 git hook scripts，git hook scripts又分为客户端和服务器端两种：

client side

  • pre-commit
  • prepare-commit-msg
  • commit-msg
  • post-commit
  • post-merge
  • pre-push
    ...

server side

  • pre-receive
  • update
  • post-receive

博客后面的链接【1】可以了解所有的script，这里需要的是叫做pre-push的script。

pre-push

首先，我们把工作目录切到git repo的根目录，然后编写.git/hooks/pre-push文件：

vim .git/hooks/pre-push

文件内容如下：

#!/bin/bash
# Prevents force-pushing to master.
# Based on: https://gist.github.com/pixelhandler/5718585
# Install:
# cd path/to/git/repo
# curl -fL -o .git/hooks/pre-push https://gist.githubusercontent.com/stefansundin/d465f1e331fc5c632088/raw/pre-push
# chmod +x .git/hooks/pre-push

BRANCH=`git rev-parse --abbrev-ref HEAD`
PUSH_COMMAND=`ps -ocommand= -p $PPID`

if [[ "$BRANCH" == "master" && "$PUSH_COMMAND" =~ push|force|delete|-f ]]; then
  echo "Prevented force-push to $BRANCH. This is a very dangerous command."
  echo "If you really want to do this, use --no-verify to bypass this pre-push hook."
  exit 1
fi

exit 0

这段script也很容易理解。

执行结果：

$ chmod u+x .git/hooks/pre-push
$ git push
Prevented force-push to master. This is a very dangerous command.
If you really want to do this, use --no-verify to bypass this pre-push hook.
error: failed to push some refs to 'git@git.xxx.net:user/repo.git'

如上，如果执行git push，我们的echo提示出现了，说明script起作用了。
如果我们想跳过pre-push钩子，可以使用--no-verify参数。
或者把.git/hooks/pre-push改个名字。

参考

【1】https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks
【2】https://gist.github.com/stefansundin/d465f1e331fc5c632088

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