图文详解如何修改git已提交记录的邮箱?

有时候,公司提交的代码必须使用公司邮箱,而你误操作,直接把自己个人邮箱提交上去了,此时你就会遇到这样的需求:如何修改git已提交的邮箱?

而这个需求对于新手来说,往往要花费半天的时间才能理解修改过程,简直太傻比了,所以我这里做一个详细的文档来帮助自己和你搞清楚这个流程。尤其要理解变基,它不是一个命令执行就完成了,而是一连串命令的组合。

变基

git rebase -i

执行后,会打开最近一条的提交记录,当然上面的命令可以指定某一条记录,命令是:

git rebase -i "your commit id"

对于sourcetree用户来说,commit id是SHA-1,可以右键某条提交记录,选择菜单”复制SHA-1到剪贴板”,如下图:

image-20190513113342522

变基rebase命令执行完成后,会打印类似如下内容:

pick bd81df5 更新API

# Rebase abcb9d0..bd81df5 onto abcb9d0 (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

新手往往会一脸懵逼,不止所错,此时是在rebase的过程中,你需要把pick改为edit,如下:

edit bd81df5 更新API

# Rebase abcb9d0..bd81df5 onto abcb9d0 (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

更改完成后,保存并退出vi编辑器::wq

然后会打印这样的消息:

chengmingdeMacBook-Pro:server cmlanche$ git rebase -i "abcb9d0d1e99cdad25d8d08119e494436b000e59"
Stopped at bd81df5... 更新API
You can amend the commit now, with

git commit --amend

Once you are satisfied with your changes, run

git rebase --continue
chengmingdeMacBook-Pro:server cmlanche$

给大家先科普一下这个amend英文单词,是修改的意思,对我来说好陌生,为啥不用change或者fix之类的。

image-20190513114137949

上面的信息说了,如果你要amend,也就是要修改这个提交的话,那么用

git commit --amend

如果你对这次修改满意的话,就用如下命令结束此次变基

git rebase --continue

重置账户邮箱信息

我们当然要修改啦,那么执行如下命令,重置提交的账户信息:

git commit --amend --author="cmlanche <1204833748@qq.com>" --no-edit

同事,要注意你的sourcetree,出现了新情况!

image-20190513114851415

我们可以看到一个新的提交,并且,邮箱账号都经过了修改,如果你去掉--no-edit还可以修改commit message,也就是图中的”更新API”,举栗子吧,我可以继续用amend修改此次变基

git commit --amend --author="cmlanche <1204833748@qq.com>"

image-20190513115132114

保存退出vi编辑器,看sourcetree咋样了:

image-20190513115216969

真的很完美,接下来就是合并了,退出变基。

退出变基

git rebase --continue

在控制台中打印如上命令退出变基,我们看到退出变基也就是使用最新的修改了,就一条分支了。

chengmingdeMacBook-Pro:server cmlanche$ git rebase --continue
Successfully rebased and updated refs/heads/bulma.

image-20190513115442779

最后总结一下

变基真的很有用,他不是一条命令搞定的,是一个过程,就像变成中打开了一个输入流,最后用完你得关闭输入流一样。

通过变基你可以轻松实现提交信息的任意重新修改!

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