What license should I use when including code from subversion?

I'm working on a tool (svnxform.pl, earlier post) that does the same as
svn_load_dirs.pl, but with a slightly different approach.

(I intend to make a tool that can intelligently stuff anything under
subversion and allow me to sort things out later under svn.)

I would like to add some features that are currently missing, by simply
copying over some code from svn_load_dirs.pl.

I assume svn_load_dirs.pl is under the Subversion license.
My tool is currently marked GPL. However it seems that the compatibility
(in the GPL sense) between GPL and Subversion license is uncertain.

Reading previous archived has made me even more confused.

I don't wan't to erode mine or anybody else's rights or cause
licensing worries to stop anybody from using the tool.

I'm generally for copylefting things, but haven't made up my
mind about this "advertising clause" thing. There are arguments for
both sides.

What would be the safest option?
A) Forget about copying code (I hate this option)

B) Change the license to Subversion licese, (but retain my copyright on
the code I wrote. Can I do this?)

C) Just include the code, mention it nicely and as required by
Subversion licese and hope for the best.

Thank you in advance!

Peter

PS. congrats for the 1.0 release. Great work! I envy you and hope I
could once get something ready enough to be called 1.0 :)

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Received on Wed Feb 25 16:28:01 2004