哪个用户运行 git hook？
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What user runs the git hook?
提问by atp
I have a post-update hook on my server, such that when I
我的服务器上有一个更新后挂钩，这样当我
git push
it does a pull on the live web directory. However, while the push always succeeds, the post-update hook sometimes fails.
它会拉动实时 Web 目录。然而，虽然推送总是成功，但更新后挂钩有时会失败。
The hook is pretty simple:
钩子很简单：
#!/bin/sh
#
# An example hook script to prepare a packed repository for use over
# dumb transports.
#
# To enable this hook, rename this file to "post-update".
cd /var/www
env -i git pull
I'm pushing updates from a variety of places, but sometimes I have to login as root on the server and manuall do a
我正在从多个地方推送更新，但有时我必须在服务器上以 root 身份登录并手动执行
env -i git pull
I only have to do it 20% of the time though. Any ideas why it would fail randomly? Also, how would I get it to log error messages, since it might be running as someone who can't write to the file system?
不过，我只需要在 20% 的时间里这样做。任何想法为什么它会随机失败？另外，我如何让它记录错误消息，因为它可能作为无法写入文件系统的人运行？
采纳答案by Cascabel
The hooks are run as the user doing the push. If you have some kind of pre-made setup, that may be a user like gitor gitosis, or it may be you. Just look at how you have the remote configured. (git remote show <remote-name>or just examine .git/config if you don't know) Presumably you're pushing via SSH, and there's a username@hostname in the URL.
钩子在用户执行推送时运行。如果您有某种预制设置，那可能是喜欢git或的用户gitosis，也可能是您。看看你是如何配置遥控器的。（git remote show <remote-name>或者，如果您不知道，请检查 .git/config）大概您是通过 SSH 推送的，并且 URL 中有一个 username@hostname。
P.S. It's pretty quick to demonstrate this - just clone a repo locally, throw a post-update hook in with an echo $USERor something similar, and try pushing as yourself or a different user (directly or through ssh).
PS 演示这一点非常快——只需在本地克隆一个 repo，使用echo $USER或类似的东西抛出一个更新后的钩子，然后尝试以你自己或其他用户的身份推送（直接或通过 ssh）。
回答by spuder
I decided to test this on my gitlab 6 server by creating a pre-receive hook and echoing out the user information
我决定在我的 gitlab 6 服务器上通过创建一个预接收钩子并回显用户信息来测试这个
$ cat /home/git/repositories/foo/foo.git/hooks/pre-recieve
#!/bin/bash
set -x
echo -e "The user the hook is run as is $USER"
echo -e "Just to doublecheck, the user is $(whoami)"
exit 1
It looks like it is run as the git user
看起来它是作为 git 用户运行的
$ git push
Counting objects: 3, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 269 bytes | 0 bytes/s, done.
Total 3 (delta 1), reused 0 (delta 0)
remote: + echo -e 'The user the hook is run as is'
remote: The user the hook is run as is
remote: ++ whoami
remote: + echo -e 'Just to doublecheck, the user is git'
remote: Just to doublecheck, the user is git
remote: + exit 1
