git 撤销所有未提交或未保存的更改 [英] git undo all uncommitted or unsaved changes

问题描述

我正在尝试撤销自上次提交以来的所有更改.我在查看 这篇文章.我的回答是 head 现在在 18c3773...但是当我查看本地源时，所有文件都还在那里.我错过了什么?

解决方案

• 这将取消暂存您可能使用 git add 暂存的所有文件:

  git reset

• 这将还原所有本地未提交的更改(应在 repo root 中执行):

  git checkout .

  您还可以仅将未提交的更改还原到特定文件或目录:

  git checkout [some_dir|file.txt]

  另一种还原所有未提交更改的方法(输入时间更长，但适用于任何子目录):

  git reset --hard HEAD

• 这将删除所有本地未跟踪的文件，因此仅 git 跟踪的文件保留:

  git clean -fdx

  <块引用>

  警告: -x 还将删除所有被忽略的文件，包括由 .gitignore 指定的文件！您可能需要使用 -n 来预览要删除的文件.

<小时>

总结一下:执行下面的命令基本上等同于从原始来源新鲜的git clone(但它不会重新下载任何东西，因此速度要快得多):

git resetgit 结帐.git clean -fdx

这的典型用法是在构建脚本中，当您必须确保您的树绝对干净 - 没有任何修改或本地创建的目标文件或构建工件，并且您希望使其工作得非常快并且不要每次都重新克隆整个存储库.

I'm trying to undo all changes since my last commit. I tried git reset --hard and git reset --hard HEAD after viewing this post. I responds with head is now at 18c3773... but when I look at my local source all the files are still there. What am I missing?

解决方案

• This will unstage all files you might have staged with git add:

  git reset
  

• This will revert all local uncommitted changes (should be executed in repo root):

  git checkout .
  

  You can also revert uncommitted changes only to particular file or directory:

  git checkout [some_dir|file.txt]
  

  Yet another way to revert all uncommitted changes (longer to type, but works from any subdirectory):

  git reset --hard HEAD
  

• This will remove all local untracked files, so only git tracked files remain:

  git clean -fdx
  

  WARNING: -x will also remove all ignored files, including ones specified by .gitignore! You may want to use -n for preview of files to be deleted.

---

To sum it up: executing commands below is basically equivalent to fresh git clone from original source (but it does not re-download anything, so is much faster):

git reset
git checkout .
git clean -fdx

Typical usage for this would be in build scripts, when you must make sure that your tree is absolutely clean - does not have any modifications or locally created object files or build artefacts, and you want to make it work very fast and to not re-clone whole repository every single time.

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