最简单的方法是使用'plumbing'命令update-ref删除当前分支。

你不能使用git branch -D，因为它有一个安全阀来阻止你删除当前的分支。

这会让你回到“初始提交”状态，在那里你可以开始一个新的初始提交。

git update-ref -d refs/heads/master
git commit -m "New initial commit"

一行6个字:

git checkout --orphan new_root_branch  &&  git commit

我通常是这样做的:

Make sure everything is committed, and write down the latest commit id in case something goes wrong, or create a separate branch as the backup Run git reset --soft `git rev-list --max-parents=0 --abbrev-commit HEAD` to reset your head to the first commit, but leave your index unchanged. All changes since the first commit will now appear ready to be committed. Run git commit --amend -m "initial commit" to amend your commit to the first commit and change the commit message, or if you want to keep the existing commit message, you can run git commit --amend --no-edit Run git push -f to force push your changes

假设你的分支中有3个提交，并且它已经被推送到远程分支。

例子:

git log -4

将显示如下结果:

<your_third_commit_sha>
<your_second_commit_sha>
<your_first_commit_sha>
<master_branch_commit_sha - your branch created from master>

你想把最后3次提交压缩成一次提交，然后推送到远程分支。以下是步骤。

git reset --soft <master_branch_commit_sha>

现在所有提交的更改都被集成但未提交。验证:

git status

用一条消息提交所有更改:

git commit -m 'specify details'

强制将单次提交推到远程分支:

git push -f

首先，使用git rebase -interactive将所有提交压缩成一个提交。现在就剩下两个壁球提交了。要做到这一点，请阅读任何一本

如何合并Git存储库的前两次提交? Git:如何压缩前两次提交?

这对我来说效果最好。

git rebase -X ours -i master

这将使git更喜欢你的特性分支;避免艰苦的合并编辑。您的分支需要与主机同步。

ours
           This resolves any number of heads, but the resulting tree of the merge is always that of the current
           branch head, effectively ignoring all changes from all other branches. It is meant to be used to
           supersede old development history of side branches. Note that this is different from the -Xours
           option to the recursive merge strategy.