blocks|key|910361|text|如果有任何更改，git+diff+--exit-code将返回非零值；git+diff+--quiet也是如此，没有输出。由于您希望检查工作树和索引，因此使用|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|910362|git+diff+--quiet+&&+git+diff+--cached+--quiet|code-block|syntax|javascript|910363|或|910364|git+diff+--quiet+HEAD|910365|其中任何一个都会告诉您是否有未提交的更改处于暂存状态。|910366|entityMap^0|8|K|Z|G|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|10|8|@]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|R|$]]

<code>git diff --exit-code</code> will return nonzero if there are any changes; <code>git diff --quiet</code> is the same with no output. Since you want to check for the working tree and the index, use

<pre><code>git diff --quiet &amp;&amp; git diff --cached --quiet
</code></pre>

Or

<pre><code>git diff --quiet HEAD
</code></pre>

Either one will tell you if there are uncommitted changes that are staged or not.

blocks|key|910413|text|虽然其他的解决方案是非常彻底的，但如果你想要一些非常快速和肮脏的东西，可以尝试这样的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|910414|[[+-z+$(git+status+-s)+]]|code-block|syntax|javascript|910415|它只检查状态摘要中是否有任何输出。|910416|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

While the other solutions are very thorough, if you want something really quick and dirty, try something like this:

<pre><code>[[ -z $(git status -s) ]]
</code></pre>

It just checks if there is any output in the status summary.

blocks|key|910452|text|使用python和GitPython包：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|910453|import+git
git.Repo(path).is_dirty(untracked_files=True)|code-block|syntax|javascript|910454|如果存储库不干净，则返回True|offset|length|style|CODE|910455|entityMap^0|0|0|C|4|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

With python and the GitPython package:
<pre class="lang-py prettyprint-override"><code>import git
git.Repo(path).is_dirty(untracked_files=True)
</code></pre>
Returns <code>True</code> if repository is not clean

blocks|key|1125476|text|扩展@Nepthar的答案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1125477|if+[[+-z+$(git+status+-s)+]]
then
++echo+"tree+is+clean"
else
++echo+"tree+is+dirty,+please+commit+changes+before+running+this"
++exit
fi|code-block|syntax|javascript|1125478|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|$]]

Expanding on @Nepthar's answer:

<pre><code>if [[ -z $(git status -s) ]]
then
 echo "tree is clean"
else
 echo "tree is dirty, please commit changes before running this"
 exit
fi
</code></pre>

blocks|key|1125510|text|正如在其他答案中指出的，像这样简单的命令就足够了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1125511|git+diff-index+--quiet+HEAD+--|code-block|syntax|javascript|1125512|如果省略最后两个破折号，如果您有一个名为HEAD的文件，则该命令将失败。|offset|length|style|CODE|1125513|示例：|1125514|#!/bin/bash
set+-e
echo+-n+"Checking+if+there+are+uncommited+changes...+"
trap+'echo+-e+"\033[0;31mFAILED\033[0m"'+ERR
git+diff-index+--quiet+HEAD+--
trap+-+ERR
echo+-e+"\033[0;32mAll+set!\033[0m"

#+continue+as+planned...|1125515|注意:此命令将忽略未跟踪的文件。|1125516|entityMap^0|0|0|K|4|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|W|8|@$I|X|J|Y|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|Z|8|@]|9|@]|A|$]]|$1|O|3|P|5|D|7|10|8|@]|9|@]|A|$E|F]]|$1|Q|3|R|5|6|7|11|8|@]|9|@]|A|$]]|$1|S|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|T|$]]

As pointed in other answer, as simple as such command is sufficient:

<pre><code>git diff-index --quiet HEAD --
</code></pre>

If you omit the last two dashes, the command would fail if you have a file named <code>HEAD</code>.

Example:

<pre><code>#!/bin/bash
set -e
echo -n "Checking if there are uncommited changes... "
trap 'echo -e "\033[0;31mFAILED\033[0m"' ERR
git diff-index --quiet HEAD --
trap - ERR
echo -e "\033[0;32mAll set!\033[0m"

# continue as planned...
</code></pre>

Word of caution: this command ignores untracked files.

blocks|key|910526|text|这是最好的，最干净的方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|910527|function+git_dirty+{
++++text=$(git+status)
++++changed_text="Changes+to+be+committed"
++++untracked_files="Untracked+files"

++++dirty=false

++++if+[[+${text}+=+*"$changed_text"*+]];then
++++++++dirty=true
++++fi

++++if+[[+${text}+=+*"$untracked_files"*+]];then
++++++++dirty=true
++++fi

++++echo+$dirty
}|code-block|syntax|javascript|910528|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|$]]

Here is the best, cleanest way.

<pre><code>function git_dirty {
 text=$(git status)
 changed_text="Changes to be committed"
 untracked_files="Untracked files"

 dirty=false

 if [[ ${text} = *"$changed_text"* ]];then
 dirty=true
 fi

 if [[ ${text} = *"$untracked_files"* ]];then
 dirty=true
 fi

 echo $dirty
}
</code></pre>

In a Makefile, I'd like to perform certain actions if there are uncommitted changes (either in the working tree or the index). What's the cleanest and most efficient way to do that? A command that exits with a return value of zero in one case and non-zero in the other would suit my purposes.

I can run <code>git status</code> and pipe the output through <code>grep</code>, but I feel like there must be a better way.

How do I programmatically determine if there are uncommitted changes?

在Makefile中，如果有未提交的更改(在工作树或索引中)，我希望执行某些操作。要做到这一点，最干净、最有效的方法是什么？如果命令在退出时返回值为零，而在另一种情况下返回值为非零，则符合我的目的。我可以运行git status并通过grep管道输出，但我觉得一定有更好的方法。

问如何以编程方式确定是否有未提交的更改？
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