git revert
命令撤消提交,但与git reset
(从提交历史记录中删除提交)不同,它会附加一个带有结果内容的新提交。这可以防止Git丢失历史记录,这对于修订历史记录的完整性和可靠的协作非常重要。当您与其他开发人员一起使用存储库时,使用git reset
非常危险,因为您更改了提交的历史记录,这使得很难与其他开发人员保持一致的提交历史记录。
常见选项
1.)这是默认选项,不需要指定。此选项将打开已配置的系统编辑器,并在提交还原之前提示您编辑提交消息。
-e
--edit
2.)这是-e选项的反转。 revert
将不会打开编辑器。
--no-edit
3.)传递此选项将阻止git revert
创建一个反转目标提交的新提交。此选项不会创建新提交,而是将相反的更改添加到暂存索引和工作目录。
-n
--no-edit
例。
让我们想象下面的情况。 1.)您正在处理文件,并添加并提交更改。 2.)然后,您可以处理其他一些事情,并进行更多提交。 3.)现在你意识到,你做了三到四次提交,你做了一些你想要撤消的事情 - 你怎么能这样做?
您可能在想,只需使用git reset
,但这将删除您想要更改的所有提交 - git revert
为救援!让我们来看看这个例子:
mkdir learn_revert # Create a folder called `learn_revert`
cd learn_revert # `cd` into the folder `learn_revert`
git init # Initialize a git repository
touch first.txt # Create a file called `first.txt`
echo Start >> first.txt # Add the text "Start" to `first.txt`
git add . # Add the `first.txt` file
git commit -m "adding first" # Commit with the message "Adding first.txt"
echo WRONG > wrong.txt # Add the text "WRONG" to `wrong.txt`
git add . # Add the `wrong.txt` file
git commit -m "adding WRONG to wrong.txt" # Commit with the message "Adding WRONG to wrong.txt"
echo More >> first.txt # Add the text "More" to `first.txt`
git add . # Add the `first.txt` file
git commit -m "adding More to first.txt" # Commit with the message "Adding More to first.txt"
echo Even More >> first.txt # Add the text "Even More" to `first.txt`
git add . # Add the `first.txt` file
git commit -m "adding Even More to First.txt" # Commit with the message "Adding More to first.txt"
# OH NO! We want to undo the commit with the text "WRONG" - let's revert! Since this commit was 2 from where we are not we can use git revert HEAD~2 (or we can use git log and find the SHA of that commit)
git revert HEAD~2 # this will put us in a text editor where we can modify the commit message.
ls # wrong.txt is not there any more!
git log --oneline # note that the commit history hasn't been altered, we've just added a new commit reflecting the removal of the `wrong.txt`
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