% initial svn import
Adding         t/a

Committed revision 1.
% update svn repository
A    t2/a
Checked out revision 1.
A         b
Sending        a
Adding         b
Transmitting file data ..
Committed revision 2.
% convert to hg once
assuming destination trunk-hg
initializing destination trunk-hg repository
scanning source...
sorting...
converting...
1 init
0 changea
% update svn repository again
Sending        a
Sending        b
Transmitting file data ..
Committed revision 3.
% test incremental conversion
assuming destination trunk-hg
destination trunk-hg is a Mercurial repository
scanning source...
sorting...
converting...
0 changeb
% test filemap
initializing destination fmap repository
scanning source...
sorting...
converting...
2 init
1 changea
0 changeb
o  1 changeb files: b
|
o  0 changea files: b