为什么我的Git仓库进入独立HEAD状态？ [英] Why did my Git repo enter a detached HEAD state?

问题描述

我今天结束了一个孤立的头，同样的问题，如下所述：

I ended up with a detached head today, the same problem as described in: git push says everything up-to-date even though I have local changes

As far as I know I didn't do anything out of the ordinary, just commits and pushes from my local repo.

So how did I end up with a detached HEAD?

解决方案

Any checkout of a commit that is not the name of one of your branches will get you a detached HEAD. A SHA1 which represents the tip of a branch would still gives a detached HEAD. Only a checkout of a local branch name avoids that mode.

See committing with a detached HEAD

When HEAD is detached, commits work like normal, except no named branch gets updated. (You can think of this as an anonymous branch.)

For example, if you checkout a "remote branch" without tracking it first, you can end up with a detached HEAD.

See git: switch branch without detaching head

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