Re: [PATCH v2] git-svn: let 'dcommit $rev' work on $rev instead of HEAD

> 'git svn dcommit' takes an optional revision argument, but the meaning
> of it was rather scary.  It completely ignored the current state of
> the HEAD, only looking at the revisions between SVN and $rev.  If HEAD
> was attached to $branch, the branch lost all commits $rev..$branch in
> the process.
> 
> Considering that 'git svn dcommit HEAD^' has the intuitive meaning
> "dcommit all changes on my branch except the last one", we change the
> meaning of the revision argument.  git-svn temporarily checks out $rev
> for its work, meaning that
> 
> * if a branch is specified, that branch (_not_ the HEAD) is rebased as
>   part of the dcommit,
> 
> * if some other revision is specified, as in the example, all work
>   happens on a detached HEAD and no branch is affected.
> 
> Signed-off-by: Thomas Rast <trast@student.ethz.ch>