svn_io_run_diff3+svn_wc_merge2 question

I'm looking at svn_wc_merge2 and think there's a lot that can be
improved only in that function alone. I have some questions on its use
of svn_io_run_diff3_2 though.

* svn_io_run_diff3_2 documents it wants its target, left and right
path parameters to be relative to its working dir argument.

* svn_wc_merge2 however says 'our merge function' (presumably
svn_io_run_diff3) requires all files to be in the same directory.

The two requirements above are a huge difference, because if we could
relax the code in svn_wc_merge2, we could eliminate 2 full file copies
in the common case [without the need to complicate other cases].

I'd like to change the current code, but would like to know if anybody
knows how the current comment got in there... What risks do I run
when changing it to the requirements mentioned in svn_io_run_diff3_2?

bye,

Erik.

CC-ing Ben because blame attributes the text to him at r1575.

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Received on Sat Jun 24 20:02:20 2006