Re: Question about excessive mergeinfo

On Monday 11 January 2010, Stein Somers wrote:
> > I think SVN wants you to not copy the file/dir but instead to merge the
> > revision where it was added to the branch.
>
> Interesting idea, but as far as I get it it seems a complicated process:
> - In the WC's target directory, merge a part of the changeset that
> created (or last moved) the wanted subdirectory. So now we're no longer
> only merging root directories.
> - Inside the new subdirectory, merge the rest of the history of the
> source subdirectory.

Why only merge a part of the initial changeset? Did it contain multiple
unrelated changes? If so, that's IMHO the first sin, one changeset should
only contain one logical change, otherwise merging becomes a b1tch.

> And why would SVN not like copies? Forget that I wrote "from another
> branch", it happens inside a branch too (i.e. if the only active
> mergeinfo is in a parent directory shared by source and target of the
> copy). If you do a simple WC -> WC copy, you get no additional
> mergeinfo. If you do a URL -> WC copy on the same paths and revisions,
> you get explicit/excessive mergeinfo on top. I'm pretty sure that's a
> bug. But never mind, I can elide it myself. We'll see in 1.7.

Actually, if I merge a revision that only touches a subdir but don't target
the root but the subdir instead, I also get explicit mergeinfo. If SVN was
better, it would see that merging to the root would be the same and put the
mergeinfo there. Alas, this feature is not implemented yet. However, I
wouldn't call it a bug that SVN can't read my mind. And I'm sure some people
would object when I merge to a subdir and suddenly SVN changes its parent's
mergeinfo.

Cheers!

Uli

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