Re: [PATCH] detached HEAD -- finishing touches

> On Thu, Feb 01, 2007 at 01:08:41AM -0800, Junio C Hamano wrote:
>>     [git.git]$ git checkout master
>>     You are not on any branch and switching to branch 'master'
>>     may lose your changes.  At this point, you can do one of two things:
>>      (1) Decide it is Ok and say 'git checkout -f master';
>>      (2) Start a new branch from the current commit, by saying
>>          'git checkout -b <branch-name>'.
>>     Leaving your HEAD detached; not switching to branch 'master'.
>
> How hard would it be to simply simply set a flag once git has entered
> a detached HEAD state, and clear the flag if any git operation has
> modified the repository at all.  If the flag is still set, then
> obviously the repository hasn't changed and so there are no changes
> that could be lost.