Bugs in new JavaHL merge tracking API's

Ran into a couple of bugs in some of the new merge-tracking related
API's in JavaHL. I imagine some of these are not just in JavaHL.

1) getMergeInfo(localPath, Revision.HEAD) crashes the JVM when called
on a WC from an http repository. In this case, it was tigris.org (SVN
1.3.x). To recreate, checkout:

svn co http://subclipse.tigris.org/svn/subclipse/trunk/subclipse/feature

Chosen because it is small and demonstrates the problem.

Recreated this problem on Windows and OSX.

2) getCopySource(localPath, Revision.HEAD) when called on a local
path that has never been copied gives these errors:

Exception in thread "main" java.lang.IllegalArgumentException: Invalid
(negative) revision number: -1
        at org.tigris.subversion.javahl.Revision$Number.<init>(Revision.java:216)
        at org.tigris.subversion.javahl.Revision.getInstance(Revision.java:127)
        at org.tigris.subversion.javahl.SVNClient.getCopySource(Native Method)
        at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getCopySource(AbstractJhlClientAdapter.java:2034)
        at org.tigris.subversion.svnclientadapter.javahl.AbstractJhlClientAdapter.getCopySource(AbstractJhlClientAdapter.java:2025)

I think the problem is that the C++ code is trying to create null
revision objects for the path by using a value of -1. But that is not
a value the JavaHL Revision class will accept. This problem does not
appear to cause any additional problems other than the exception being
logged.

Let me know if you would rather I file issues in the issue tracker.

-- 
Thanks
Mark Phippard
http://markphip.blogspot.com/
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