Got it, thanks!!!

On Wednesday, October 16, 2013 3:59:57 PM UTC+3, Dale Worley wrote:
>
> > From: Roy Vardi <roy....@gmail.com <javascript:>> 
> > 
> > How do I switch to a hash on a branch without creating\moving to a new 
> > branch? 
> > Say I'm currently at the HEAD of master, and its hash is aaa. 
> > I want to stay on master, only switch to a previous hash... (say eee...) 
> > I know I can use the HEAD~<#> or whatever, but I'd like to find out how 
> to 
> > do it based only on a hash... 
>
> It depends on exactly what you want to do. 
>
> If you want to set the files in your working directory to be the state 
> of a particular hash, you can do "git checkout <hash>". 
>
> However, there is the matter of Git's record of "what is currently 
> checked out".  Normally, "what is currently checked out" (which is 
> stored in .git/HEAD) is (for example), "master".  (Actually, "ref: 
> refs/heads/master".)  That makes it possible to add a new commit to 
> the repository whose parent is the former value of "master", and 
> update "master" to be the new commit. 
>
> When you checkout a particular hash, you are in a state called 
> "detached head", in which "what is currently checked out" is just the 
> hash, and creating a new commit does not update any branch.  (IIRC, 
> you have to provide a special option to git-commit to actually create 
> the commit, as normally one doesn't want to do that.) 
>
> Dale 
>

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