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Re: svn log wcpath@BASE in 1.4.x fails

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2006-05-18 19:31:56 CEST

On 5/18/06, Daniel Rall <dlr@collab.net> wrote:
> On Wed, 17 May 2006, Garrett Rooney wrote:
>
> > On 5/17/06, Julian Foad <julianfoad@btopenworld.com> wrote:
> > >Garrett Rooney wrote:
> > >> + if ((peg_revision->kind == svn_opt_revision_base
> > >> + || peg_revision->kind == svn_opt_revision_committed
> > >> + || peg_revision->kind == svn_opt_revision_previous)
> > >> + && targets->nelts == 1)
> > >
> > >I feel the logic for validating and handling a peg ought to be common among
> > >many commands, and factored out. If you could have a bit of a look for
> > >such
> > >commonality, that would be great.
>
> Julian, consolidating this code sounds Good, +1. Care to file a
> (bite-sized?) task in the tracker?
>
> > >Note also that "@PREV" is not a valid peg specifier: "local/path@PREV"
> > >would
> > >imply looking up "local_path" in a revision which does not exist in the
> > >local
> > >file system (and "URL@PREV" is obviously invalid). Similarly, we can
> > >decree
> > >that "@COMMITTED" is not valid (even though it identifies a tree in which
> > >the
> > >item was at the same location as it is now). Only "@BASE" and (implied)
> > >"@WORKING" are valid pegs on a local path. I've been meaning to write up a
> > >specification for peg revisions that states this. This might simplify your
> > >conditional expression.
> >
> > I'm not convinced @PREV or @COMMITTED are invalid. It's just a matter
> > of converting them to a url/rev pair and then doing exactly what we
> > would do with any other peg revision argument...
> ...
>
> Would this operation use information from the WC, rather than
> contacting the server? Seems like doing the latter would result in a
> race condition...
>
> If we're not contacting the server, the semantics of using data from
> the WC in conjunction with URLs could be confusing to users.

Well, the change I committed already removes the option of using
@BASE, @PREV, and @COMMITTED for targets that are urls, it'll only
work for user provided targets that are local paths. So the user
provides a path, we use the working copy info to convert that into a
URL and revision pair.

-garrett

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Received on Thu May 18 19:32:37 2006

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