Re: [PATCH] rebase --interactive: Compute upstream SHA1 before switching branches

> From: Johannes Sixt <johannes.sixt@telecom.at>
> 
> If the upstream argument to rebase (the first argument) was relative to
> HEAD and the name of the branch to rebase (the second argument) was given,
> the upstream would have been interpreted relative to the second argument.
> In particular, this command
> 
>     git rebase -i HEAD topic
> 
> would always finish with "Nothing to do". (a1bf91e fixed the same issue
> for non-interactive rebase.)
> 
> Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>

> I made this with -U5 so that you can see the checkout in the context.
> 
> BTW, methinks, this checkout is unnecessary, since before the rebase 
> begins, there is a 'git checkout $ONTO', and the branch switching is 
> certainly not needed to compute the todo list...