Re: git branch --switch?

>> However, I'm somewhat confused as to why you'd want HEAD and the 
>> working directory to get out of sync.
> 
> Thank you for the answer. Well, as said, it's not essential, but I was 
> just now rebuilding a repo and have a few branches that I all want to be 
> based on the same revision. Say, branch a, b and c, based on v2.6.20.
> 
> git clone -l -s -n <a local linux repo> local
> git checkout -b v20 v2.6.20
> git branch a
> git branch b
> git branch c
> 
> Step 1, 3, 4 and 5 of this are nearly instantaneous but 2 isn't -- this 
> repo sits on a P1 with 64M of memory and a disk doing 8 M/s which is 
> probably the only reason I thought asking about it was a good idea in 
> the first place...
> 
> You'd be quite right in saying that there isn't much point; if I want to 
> now start populating branch a, I have to "git checkout a" anyway, and 
> that action _will_ now be instantaneous. If I'd replaced 2 with:
> 
> git branch --create-and-set-as-current v20 v2.6.20
> 
> then I will not have won any time until that 6th "git checkout a" step.