Hi Laird, I would guess that it is used by SCM's like CVS which takes an existing tag as base for a new branch. The explanation could be better as many of the other parameters describes SVN specific usage.
/Anders On Thu, 2012-09-27 at 19:16 +0200, Laird Nelson wrote: > On Thu, Sep 27, 2012 at 9:48 AM, Laird Nelson <ljnel...@gmail.com> wrote: > > > I can't figure out what the tag parameter is supposed to do for the > > maven-release-plugin branch goal. > > > > I'm guessing that this is just a mistake; much of the branch goal seems to > bear a striking similarity to the perform goal; I smell cut-and-paste. :-) > Maybe this is a property that got copied over but isn't used? > > Best, > Laird >