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git - 我可以完全放弃提交吗?

转载 作者:太空狗 更新时间:2023-10-29 14:31:38 25 4
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我想完全放弃某个提交。

我做了这个实验:

初始化一个repo

bash-3.2$ git init
Initialized empty Git repository in /Users/*****/test/.git/

创建文件

bash-3.2$ touch readme
bash-3.2$ ls
readme

提交这个创作

bash-3.2$ git add .
bash-3.2$ git commit -m "first commit"
[master (root-commit) b9f8e60] first commit
1 file changed, 0 insertions(+), 0 deletions(-)
create mode 100644 readme

编辑那个文件(发生了一些错误)

bash-3.2$ echo WrongMsg > readme
bash-3.2$ cat readme
WrongMsg

粗心地提交修改

bash-3.2$ git add .
bash-3.2$ git commit -m "careless commit"
[master 1eec681] careless commit
1 file changed, 1 insertion(+)

查看日志

bash-3.2$ git log --oneline

会给予

1eec681 careless commit
b9f8e60 first commit

现在,我认识到了那个错误并想改正它

bash-3.2$ git rebase -i HEAD^

会提示

pick 1eec681 careless commit

# Rebase b9f8e60..1eec681 onto b9f8e60 (1 command)
#
# Commands:
# p, pick = use commit
# r, reword = use commit, but edit the commit message
# e, edit = use commit, but stop for amending
# s, squash = use commit, but meld into previous commit
# f, fixup = like "squash", but discard this commit's log message
# x, exec = run command (the rest of the line) using shell
# d, drop = remove commit
#
# These lines can be re-ordered; they are executed from top to bottom.
#
# If you remove a line here THAT COMMIT WILL BE LOST.
#
# However, if you remove everything, the rebase will be aborted.
#
# Note that empty commits are commented out

pick改成drop然后用:wq保存,就可以输出了

Successfully rebased and updated refs/heads/master.

查看日志

bash-3.2$ git log --oneline
b9f8e60 first commit

改正错误

bash-3.2$ echo CorrectMsg > readme
bash-3.2$ cat readme
CorrectMsg

提交

bash-3.2$ git add .
bash-3.2$ git commit -m "correction"
[master f224289] correction
1 file changed, 1 insertion(+)

日志

bash-3.2$ git log --oneline
f224289 correction
b9f8e60 first commit

看起来 drop 成功了,但是如果我执行这个:

bash-3.2$ git reset --hard 1eec681
HEAD is now at 1eec681 careless commit

bash-3.2$ git log --oneline
1eec681 careless commit
b9f8e60 first commit

BANG,历史记录仍在 repo 协议(protocol)中的某个地方,并没有真正被删除。

我可以完全删除这段历史吗?

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