RE: Subversion First-class Labels

I agree with Steve here- I'm familiar with cheap copies and arranging my
repository into tags, branches, trunk, etc. but I really am looking
for more than just a "convention" (labels/tags are cheap copies) and
something more concrete.

One example I can think of is branching from a label and rebasing from a
label.
I'd like to label the trunk as say BUILD1, branch a feature branch off
of
that label specifically (svn copy -rBUILD1 http://blah/svn/trunk
http://blah/svn/branches/feature)
and then rebase periodically

In the feature branch, svn merge -rBUILD2 .

or something like that (I realize my label could be on something other
than the trunk
but hopefully I could put a trigger in place to stop that).

Admittedly I am more familiar the Clearcase label concept which I value
highly.

---
With all due respect, cheap copies don't really provide the  
functionality of labels with the simplicity and speed that CVS,  
Clearcase, or Perforce can do.  This particular use-case isn't well  
supported in Subversion as of today.  One of the reasons for this  
being that it is a major pain to figure out the following:
1. Which "labels" include this particular version of a file?
2. What are the revisions included in a particular "label"?
Yes, you can datamine this information using svn log, but it requires  
some work (especially #1).
-steve
-----Original Message-----
From: Steven Bakke [mailto:steven.bakke_at_amd.com] 
Sent: Monday, October 20, 2008 1:40 PM
To: Erik Huelsmann
Cc: Joe Bell; users_at_subversion.tigris.org
Subject: Re: Subversion First-class Labels
On Oct 20, 2008, at 2:04 PM, Erik Huelsmann wrote:
> On Mon, Oct 20, 2008 at 7:50 PM, Joe Bell  
> <joe.bell_at_prodeasystems.com> wrote:
>> I was browsing the web looking for an answer to the question as to  
>> whether
>> first-class labels were going to be a planned addition to  
>> Subversion, but
>> the best I could come up with was a lengthy discussion on SVN DEV  
>> back in
>> 2005.  I'm curious as to whether anyone knows where this proposal  
>> is or is
>> headed?
>
> I don't think there's been a serious follow-up.
>
>>
>> By first-class labels I mean labels analogous to Clearcase, you  
>> create a
>> label and then apply it to multiple elements (files, directories),  
>> etc. to
>> provide a mnemonic name for a given configuration of files.
>
> Subversion can do this with tags: a tag can consist of any combination
> of files in the repository and locally modified files.
>
With all due respect, cheap copies don't really provide the  
functionality of labels with the simplicity and speed that CVS,  
Clearcase, or Perforce can do.  This particular use-case isn't well  
supported in Subversion as of today.  One of the reasons for this  
being that it is a major pain to figure out the following:
1. Which "labels" include this particular version of a file?
2. What are the revisions included in a particular "label"?
Yes, you can datamine this information using svn log, but it requires  
some work (especially #1).
-steve
> HTH,
>
>
> Erik.
>
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