Re: how to completely replace the trunk of a repo with one of its branches?

Ryan Schmidt wrote:
> On Dec 21, 2007, at 08:59, Fouts Christopher (QNA RTP PT PREV) wrote:
>
>>> On Dec 20, 2007, at 17:33, Srilakshmanan, Lakshman wrote:
>>>
>>>> I am sure you would have thought of this, but the easiest way and to
>>>> keeping with the concept of trunk I would do the following.
>>>>
>>>> svn co trunk trunk-wc
>>>> svn del everything under trunk-wc
>>>> svn commit trunk-wc
>>>>
>>>> svn co branch branch-wc
>>>> svn switch branch-wc to trunk
>>>> svn commit
>>>>
>>>> This should make your branch identical to trunk
>>>
>>> Uh.... I really don't think so. I think "switch" does not do
>>> what you think it does.
>>>
>>> What Reuben could do, though, is:
>>>
>>> svn rm url://to/repo/trunk -m "removing old trunk"
>>> svn cp url://to/repo/branches/somebranch url://to/repo/trunk
>>> -m "creating new trunk as copy of somebranch"
>>
>> I'd have done this too. However, if Reuben changes his mind and wants
>> the old trunk back, the revision he removed, how can he get it back?
>
> svn rm url://to/repo/trunk -m "removing new trunk"
> svn cp url://to/repo/trunk_at_FOO url://to/repo/trunk -m "reinstating old
> trunk from rFOO"
>
> where FOO is a revision in which the old trunk still existed.

Note that this syntax won't yet work. Peg revision syntax (e.g., "PATH@REV")
for copy is part of 1.5. Using normal revision syntax ("-rREV"), should still
accomplish what you are trying to do here, though.

-Hyrum