blocks|key|851967|text|虽然你首先需要弄清楚如何让更新生效，但你最好从上游使用一个钩子来使其生效。你可以简单地从post-commit钩子中使用curl，或者如果你使用的是github，那么只需在它们的一侧使用post-receive钩子。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|851968|entityMap^0|18|B|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

While you do need to figure out how to get the update to work in the first place, you'd be far better off using a hook from the upstream to make it go. You can do this simply with curl from a <code>post-commit</code> hook or if you're using github, just use a post-receive hook on their side.

blocks|key|851986|text|解决方案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|851987|*/1+*+*+*+*+su+-s+/bin/sh+nobody+-c+'cd+~dstrt/www+&&+/usr/local/bin/git+pull+-q+origin+master'+|code-block|syntax|javascript|851988|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Solution:

<pre><code>*/1 * * * * su -s /bin/sh nobody -c 'cd ~dstrt/www &amp;&amp; /usr/local/bin/git pull -q origin master' 
</code></pre>

blocks|key|852027|text|*/1+*+*+*+*+su+-s+/bin/sh+nobody+-c+'cd+/home/heilee/src/project+&&+/usr/bin/git+pull+origin+master'|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|852028|这纠正了一些错误，这些错误阻止了接受的答案在我的系统(Ubuntu+>10.04服务器)上工作。关键的变化似乎是在pull之后而不是之前的-q。在跟踪/var/log/syslog文件或尝试运行未更新的生产代码之前，您不会注意到拉不起作用。|unstyled|offset|length|style|CODE|852029|entityMap^0|0|1L|4|1X|2|23|F|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|N|8|@$G|O|H|P|I|J]|$G|Q|H|R|I|J]|$G|S|H|T|I|J]]|9|@]|A|$]]|$1|K|3|-4|5|F|7|U|8|@]|9|@]|A|$]]]|L|$]]

<pre><code>*/1 * * * * su -s /bin/sh nobody -c 'cd /home/heilee/src/project &amp;&amp; /usr/bin/git pull origin master'
</code></pre>

This corrects a couple errors that prevented the accepted answer from working on my system (Ubuntu >10.04 server). The key change seems to be the <code>-q</code> after the <code>pull</code> rather than before. You won't notice that your pull isn't working until you tail the <code>/var/log/syslog</code> file or try to run your non-updated production code.

blocks|key|1066509|text|#!/bin/bash
cd+/home/your_folder/your_folder+&&+/usr/bin/git+pull+git@bitbucket.org:your_user/your_file.git|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1066510|这是我一直在使用的，并且工作正常|unstyled|1066511|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>#!/bin/bash
cd /home/your_folder/your_folder &amp;&amp; /usr/bin/git pull git@bitbucket.org:your_user/your_file.git
</code></pre>

that is has been using by me and worked

blocks|key|852096|text|我创建了一个处理it.Then的小脚本，可以使用crontab命令|type|unstyled|depth|inlineStyleRanges|entityRanges|data|852097|crontab+-e
0+2+*+*+*+cd+/root+&&+./gitpull.sh+>+/root/log/cron.log++2>&1+&|code-block|syntax|javascript|852098|这是gitpull.sh|offset|length|style|CODE|852099|#!/bin/bash

source+/etc/profile
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export+PATH
export+TERM=${TERM:-dumb}

#----------------------------------------
#+Please+set+the+following+variable+section
#+Please+set+up+working+directories,+use','split
#+eg:path="/root/test/path1,/root/test/path2"
path=""
#----------------------------------------

#+Do+not+edit+the+following+section

#+Check+if+user+is+root
[+$(id+-u)+!=+"0"+]+&&+{+echo+"${CFAILURE}Error:+You+must+run+this+script+as+root.${CEND}";+exit+1;+}+2>&1

#+Check+if+directory+path+exists
if+[[+"${path}"+=+""+]];+then+
++++echo+"${CFAILURE}Error:+You+must+set+the+correct+directory+path.Exit.${CEND}"+2>&1
++++exit+1
fi

#+Check+if+command+git+exists
if+!+[+-x+"$(command+-v+git)"+];+then
++++echo+"${CFAILURE}Error:+You+may+not+install+the+git.Exit.${CEND}"+2>&1
++++exit+1
fi

#+Check+where+is+command+git
git_path=`which+git`

#+Start+to+deal+the+set+dir
OLD_IFS="$IFS"+
IFS=","+
dir=($path)+
IFS="$OLD_IFS"+

echo+"Start+to+execute+this+script."+2>&1

for+every_dir+in+${dir[@]}+
do+
++++cd+${every_dir}
++++work_dir=`pwd`
++++echo+"---------------------------------"+2>&1
++++echo+"Start+to+deal"+${work_dir}+2>&1
++++${git_path}+pull
++++echo+"---------------------------------"+2>&1
done

echo+"All+done,thanks+for+your+use."+2>&1|852100|我们必须设置工作目录|852101|entityMap^0|0|0|2|A|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

I create a small script to deal with it.Then can use the by command crontab

<pre><code>crontab -e
0 2 * * * cd /root &amp;&amp; ./gitpull.sh &gt; /root/log/cron.log 2&gt;&amp;1 &amp;
</code></pre>

Here are the <code>gitpull.sh</code>:

<pre><code>#!/bin/bash

source /etc/profile
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
export TERM=${TERM:-dumb}

#----------------------------------------
# Please set the following variable section
# Please set up working directories, use','split
# eg:path="/root/test/path1,/root/test/path2"
path=""
#----------------------------------------

# Do not edit the following section

# Check if user is root
[ $(id -u) != "0" ] &amp;&amp; { echo "${CFAILURE}Error: You must run this script as root.${CEND}"; exit 1; } 2&gt;&amp;1

# Check if directory path exists
if [[ "${path}" = "" ]]; then 
 echo "${CFAILURE}Error: You must set the correct directory path.Exit.${CEND}" 2&gt;&amp;1
 exit 1
fi

# Check if command git exists
if ! [ -x "$(command -v git)" ]; then
 echo "${CFAILURE}Error: You may not install the git.Exit.${CEND}" 2&gt;&amp;1
 exit 1
fi

# Check where is command git
git_path=`which git`

# Start to deal the set dir
OLD_IFS="$IFS" 
IFS="," 
dir=($path) 
IFS="$OLD_IFS" 

echo "Start to execute this script." 2&gt;&amp;1

for every_dir in ${dir[@]} 
do 
 cd ${every_dir}
 work_dir=`pwd`
 echo "---------------------------------" 2&gt;&amp;1
 echo "Start to deal" ${work_dir} 2&gt;&amp;1
 ${git_path} pull
 echo "---------------------------------" 2&gt;&amp;1
done

echo "All done,thanks for your use." 2&gt;&amp;1
</code></pre>

We have to set the work directory

blocks|key|1066627|text|在写这个答案的时候，所有建议的解决方案都是从cd进入工作目录开始的，就我个人而言，我更喜欢使用git-dir参数。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1066628|git+--git-dir=/path/to/project/.git+pull|code-block|syntax|javascript|1066629|出于我自己的目的，我使用这个cron来使我的本地开发环境与其他开发人员保持同步。因此，我使用fetch而不是pull|1066630|*/15+*+*+*+*+git+--git-dir=/home/andey/path/.git+fetch+-a|1066631|要简化当前接受的解决方案，请使用git-dir参数|1066632|*/1+*+*+*+*+su+-s+/bin/sh+nobody+-c+'/usr/local/bin/git+--git-dir=~dstrt/www+pull+origin+master'|1066633|entityMap^0|M|2|1B|7|0|0|1A|5|1I|4|0|0|G|7|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|10|8|@$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|15|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|16|8|@$9|17|A|18|B|C]]|D|@]|E|$]]|$1|Q|3|R|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|S|3|-4|5|6|7|1A|8|@]|D|@]|E|$]]]|T|$]]

At the time of writing this answer, all the suggested solutions start with <code>cd</code>'ing into the working directory. Personally I would prefer to use the <code>git-dir</code> argument as so.
<pre><code>git --git-dir=/path/to/project/.git pull
</code></pre>
For my own purposes, I'm using this cron to keep my local dev box up to date with what the other developers. Hence I'm using <code>fetch</code> instead of <code>pull</code>
<pre><code>*/15 * * * * git --git-dir=/home/andey/path/.git fetch -a
</code></pre>
To simplify the current accepted solution, using the <code>git-dir</code> argument
<pre><code>*/1 * * * * su -s /bin/sh nobody -c '/usr/local/bin/git --git-dir=~dstrt/www pull origin master'
</code></pre>

blocks|key|1066725|text|从Git版本的1.8.5+(Q4+2013)开始，您可以使用-C参数轻松实现这一点。然后，您不需要cd进入Git项目目录，而是可以将其指定为Git命令的一部分，如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1066726|*/15+*+*+*+*+git+-C+/home/me/gitprojectdir+pull|code-block|syntax|javascript|1066727|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/git/git/blob/5fd09df3937f54c5cfda4f1087f5d99433cce527/Documentation/RelNotes/1.8.5.txt#L115-L116^0|7|F|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

Starting from Git version <a href="https://github.com/git/git/blob/5fd09df3937f54c5cfda4f1087f5d99433cce527/Documentation/RelNotes/1.8.5.txt#L115-L116" rel="nofollow noreferrer">1.8.5 (Q4 2013)</a> you can use the -C argument to easily accomplish this. Then you don't need to cd into the Git project directory but can instead specify it as part of the Git command like this:
<pre><code>*/15 * * * * git -C /home/me/gitprojectdir pull
</code></pre>

I was trying to create a cronjob with a task to do a <code>git pull</code> every minute to keep my production site in sync with my master branch. 

The git pull needs to be done by the system user <code>nobody</code>, due to the permissions problem. However it seems that the <code>nobody</code> account is not allowed run commands. So I have to create tasks as the <code>root</code> user.

The crontab entry I tried:

<pre><code>*/1 * * * * su -s /bin/sh nobody -c 'cd ~heilee/www &amp;&amp; git pull -q origin master' &gt;&gt; ~/git.log
</code></pre>

It doesn't work, and I don't know how to debug it. 

Could anyone help?

UPDATE1: the <code>git pull</code> command itself is correct. I can run it without errors.

Git auto-pull using cronjob

服务器

Ubuntu

我尝试创建一个cronjob，任务是每分钟执行一次git pull，以使我的生产站点与我的主分支保持同步。由于权限问题，git拉取需要由系统用户nobody完成。但是，似乎不允许nobody帐户运行命令。因此，我必须以root用户的身份创建任务。我尝试的crontab条目：*/1 * * * * su -s /bin/...

问使用cronjob的Git自动拉取
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